Import sendmail 8.16.1

[FreeBSD/FreeBSD.git] / doc / op / op.ps

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441 S 2.518(rmat\), RFC 974 \(MX routing\), RFC 1123 \(Internet Host Re\
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(Sendmail is a trademark of Proofpoint, Inc.)93.6 699 Q(US P)4 E
(atent Numbers 6865671, 6986037.)-.12 E F1
(Sendmail Installation and Operation Guide)72 756 Q(SMM:08-1)200.86 E 0
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87 124.2 Q F2(sendmail)2.888 E F1 .388(has already been ported to your \
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(Assuming you ha)6.112 F 1.412 -.15(ve t)-.2 H 1.112(he standard).15 F
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(cf/README)2.5 E F1(for further information.)2.5 E .192
(The remainder of this section will describe the installation of)112
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-5.667 E -.1(wa)189 168.6 S 3.541(st).1 G 1.041
(he preferred format prior to 4.4BSD.)-3.541 F 1.041(It allo)6.041 F
1.041(ws such comple)-.25 F 3.54(xt)-.15 G 1.04(hings as)-3.54 F
(multiple databases and closing a currently open database.)189 180.6 Q
32.84(NEWDB The)117 196.8 R(Berk)3.787 E(ele)-.1 E 3.787(yD)-.15 G 3.787
(Bp)-3.787 G 3.787(ackage. If)-3.787 F 1.288(you ha)3.788 F 1.588 -.15
(ve t)-.2 H 1.288(his, use it.).15 F 1.288(It allo)6.288 F 1.288
(ws long records,)-.25 F 2.56
(multiple open databases, real in-memory caching, and so forth.)189
208.8 R -1.1(Yo)7.56 G 5.06(uc)1.1 G(an)-5.06 E .468
(de\214ne this in conjunction with)189 220.8 R/F3 9/Times-Roman@0 SF
(NDBM)2.968 E F2 2.968(;i)C 2.968(fy)-2.968 G .469
(ou do, old alias databases are read,)-2.968 F -.2(bu)189 232.8 S 3.108
(tw).2 G .608(hen a ne)-3.108 F 3.108(wd)-.25 G .608
(atabase is created it will be in NEWDB format.)-3.108 F .608
(As a nasty)5.608 F 1.803(hack, if you ha)189 244.8 R 2.104 -.15(ve N)
-.2 H 1.804(EWDB, NDBM, and NIS de\214ned, and if the alias \214le).15 F
.124(name includes the substring \231/yp/\232,)189 256.8 R F1(sendmail)
2.623 E F2 .123(will create both ne)2.623 F 2.623(wa)-.25 G .123
(nd old v)-2.623 F(er)-.15 E(-)-.2 E 1.08
(sions of the alias \214le during a)189 268.8 R F1(ne)3.58 E(walias)-.15
E F2 3.58(command. This)3.58 F 1.08(is required because)3.58 F .845
(the Sun NIS/YP system reads the DBM v)189 280.8 R .845
(ersion of the alias \214le.)-.15 F(It')5.845 E 3.345(su)-.55 G .845
(gly as)-3.345 F(sin, b)189 292.8 Q(ut it w)-.2 E(orks.)-.1 E 1.112
(If neither of these are de\214ned,)117 309 R F1(sendmail)3.612 E F2
1.112(reads the alias \214le into memory on e)3.612 F -.15(ve)-.25 G
1.112(ry in).15 F -.2(vo)-.4 G(cation.).2 E 1.043(This can be slo)117
321 R 3.543(wa)-.25 G 1.043(nd should be a)-3.543 F -.2(vo)-.2 G 3.543
(ided. There).2 F 1.043(are also se)3.543 F -.15(ve)-.25 G 1.042
(ral methods for remote database).15 F(access:)117 333 Q(LD)117 349.2 Q
43.79(AP Lightweight)-.4 F(Directory Access Protocol.)2.5 E 53.39
(NIS Sun')117 365.4 R 2.5(sN)-.55 G(etw)-2.5 E
(ork Information Services \(formerly YP\).)-.1 E 28.94(NISPLUS Sun')117
381.6 R 2.5(sN)-.55 G(IS+ services.)-2.5 E 26.73(NETINFO NeXT')117 397.8
R 2.5(sN)-.55 G(etInfo service.)-2.5 E 32.84(HESIOD Hesiod)117 414 R
(service \(from Athena\).)2.5 E .085
(Other compilation \215ags are set in)117 430.2 R F1(conf)2.585 E(.h)
-.15 E F2 .086
(and should be prede\214ned for you unless you are porting)2.586 F
(to a ne)117 442.2 Q 2.5(we)-.25 G -.4(nv)-2.5 G 2.5(ironment. F).4 F
(or more options see)-.15 E F1(sendmail/README)2.5 E F2(.)A F0 2.5
(1.1.4. Compilation)102 466.2 R(and installation)2.5 E F2 .309
(After making the local system con\214guration described abo)142 482.4 R
-.15(ve)-.15 G 2.808(,Y).15 G .308(ou should be able to com-)-3.908 F
(pile and install the system.)117 494.4 Q
(The script \231Build\232 is the best approach on most systems:)5 E
(./Build)157 510.6 Q(This will use)117 526.8 Q F1(uname)2.5 E F2
(\(1\) to create a custom Mak)A(e\214le for your en)-.1 E(vironment.)-.4
E(If you are installing in the standard places, you should be able to i\
nstall using)142 543 Q(./Build install)157 559.2 Q 3.346(This should in\
stall the binary in /usr/sbin and create links from /usr/bin/ne)117
575.4 R -.1(wa)-.25 G 3.346(liases and).1 F .281
(/usr/bin/mailq to /usr/sbin/sendmail.)117 587.4 R .281
(On most systems it will also format and install man pages.)5.281 F
1.056(Notice: as of v)117 599.4 R 1.056(ersion 8.12)-.15 F F1(sendmail)
3.556 E F2 1.056(will no longer be installed set-user)3.556 F 1.056
(-ID root by def)-.2 F 3.556(ault. If)-.1 F(you really w)117 611.4 Q
(ant to use the old method, you can specify it as tar)-.1 E(get:)-.18 E
(./Build install-set-user)157 627.6 Q(-id)-.2 E F0 2.5
(1.2. Con\214guration)87 655.8 R(Files)2.5 E F1(Sendmail)127 672 Q F2
2.079(cannot operate without a con\214guration \214le.)4.58 F 2.079
(The con\214guration de\214nes the mail)7.079 F(deli)102 684 Q -.15(ve)
-.25 G .888(ry mechanisms understood at this site, ho).15 F 3.389(wt)
-.25 G 3.389(oa)-3.389 G .889(ccess them, ho)-3.389 F 3.389(wt)-.25 G
3.389(of)-3.389 G(orw)-3.389 E .889(ard email to remote)-.1 F .088
(mail systems, and a number of tuning parameters.)102 696 R .088
(This con\214guration \214le is detailed in the later por)5.088 F(-)-.2
E(tion of this document.)102 708 Q 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-9)200.86 E/F1 10/Times-Roman@0 SF(The)127 96 Q/F2 10
/Times-Italic@0 SF(sendmail)2.764 E F1 .264
(con\214guration can be daunting at \214rst.)2.764 F .264(The w)5.264 F
.264(orld is comple)-.1 F .264(x, and the mail con-)-.15 F .109
(\214guration re\215ects that.)102 108 R .109(The distrib)5.109 F .108
(ution includes an m4-based con\214guration package that hides a lot)-.2
F(of the comple)102 120 Q(xity)-.15 E 5(.S)-.65 G(ee)-5 E F2(cf/README)
2.5 E F1(for details.)2.5 E .657
(Our con\214guration \214les are processed by)127 136.2 R F2(m4)3.158 E
F1 .658(to f)3.158 F .658(acilitate local customization; the directory)
-.1 F F2(cf)3.158 E F1 .397(of the)102 148.2 R F2(sendmail)2.897 E F1
(distrib)2.896 E .396(ution directory contains the source \214les.)-.2 F
.396(This directory contains se)5.396 F -.15(ve)-.25 G .396(ral sub-).15
F(directories:)102 160.2 Q 61.73(cf Both)102 176.4 R .56
(site-dependent and site-independent descriptions of hosts.)3.06 F .56
(These can be lit-)5.56 F .445(eral host names \(e.g., \231ucb)174 188.4
R -.25(va)-.15 G .445(x.mc\232\) when the hosts are g).25 F(ate)-.05 E
-.1(wa)-.25 G .445(ys or more general).1 F .535(descriptions \(such as \
\231generic-solaris2.mc\232 as a general description of an SMTP-)174
200.4 R .93(connected host running Solaris 2.x.)174 212.4 R .93
(Files ending)5.93 F F0(.mc)3.43 E F1(\(`)3.43 E .93
(`M4 Con\214guration')-.74 F .93('\) are)-.74 F 1.785
(the input descriptions; the output is in the corresponding)174 224.4 R
F0(.cf)4.285 E F1 4.285(\214le. The)4.285 F(general)4.285 E
(structure of these \214les is described belo)174 236.4 Q -.65(w.)-.25 G
39.5(domain Site-dependent)102 252.6 R .428(subdomain descriptions.)
2.928 F .428(These are tied to the w)5.428 F .428(ay your or)-.1 F -.05
(ga)-.18 G(niza-).05 E .776(tion w)174 264.6 R .776
(ants to do addressing.)-.1 F -.15(Fo)5.777 G 3.277(re).15 G(xample,)
-3.427 E F0(domain/CS.Berk)3.277 E(eley)-.1 E(.EDU)-.7 E(.m4)-.5 E F1
.777(is our)3.277 F 1.188(description for hosts in the CS.Berk)174 276.6
R(ele)-.1 E -.65(y.)-.15 G 1.188(EDU subdomain.).65 F 1.187
(These are referenced)6.188 F(using the)174 288.6 Q/F3 9/Times-Roman@0
SF(DOMAIN)2.5 E F0(m4)2.5 E F1(macro in the)2.5 E F0(.mc)2.5 E F1
(\214le.)2.5 E 41.74(feature De\214nitions)102 304.8 R .728
(of speci\214c features that some particular host in your site might w)
3.228 F(ant.)-.1 E 2.467(These are referenced using the)174 316.8 R F3
(FEA)4.966 E(TURE)-.999 E F0(m4)4.966 E F1 4.966(macro. An)4.966 F -.15
(ex)4.966 G 2.466(ample feature is).15 F 1.763
(use_cw_\214le \(which tells)174 328.8 R F2(sendmail)4.263 E F1 1.764
(to read an /etc/mail/local-host-names \214le on)4.263 F
(startup to \214nd the set of local names\).)174 340.8 Q 50.62
(hack Local)102 357 R 1.886(hacks, referenced using the)4.387 F F3(HA)
4.386 E(CK)-.36 E F0(m4)4.386 E F1 4.386(macro. T)4.386 F 1.886(ry to a)
-.35 F -.2(vo)-.2 G 1.886(id these.).2 F(The)6.886 E(point of ha)174 369
Q(ving them here is to mak)-.2 E 2.5(ei)-.1 G 2.5(tc)-2.5 G
(lear that the)-2.5 E 2.5(ys)-.15 G(mell.)-2.5 E 56.72
(m4 Site-independent)102 385.2 R F2(m4)2.538 E F1 .038
(\(1\) include \214les that ha)B .338 -.15(ve i)-.2 H .038
(nformation common to all con\214gu-).15 F(ration \214les.)174 397.2 Q
(This can be thought of as a \231#include\232 directory)5 E(.)-.65 E
43.95(mailer De\214nitions)102 413.4 R .152
(of mailers, referenced using the)2.653 F F3(MAILER)2.652 E F0(m4)2.652
E F1 2.652(macro. The)2.652 F .152(mailer types)2.652 F 1.786
(that are kno)174 425.4 R 1.787(wn in this distrib)-.25 F 1.787
(ution are f)-.2 F 1.787(ax, local, smtp, uucp, and usenet.)-.1 F -.15
(Fo)6.787 G(r).15 E -.15(ex)174 437.4 S(ample, to include support for t\
he UUCP-based mailers, use \231MAILER\(uucp\)\232.).15 E 43.39
(ostype De\214nitions)102 453.6 R 1.157(describing v)3.657 F 1.157
(arious operating system en)-.25 F 1.156(vironments \(such as the loca-)
-.4 F(tion of support \214les\).)174 465.6 Q
(These are referenced using the)5 E F3(OSTYPE)2.5 E F0(m4)2.5 E F1
(macro.)2.5 E 60.61(sh Shell)102 481.8 R(\214les used by the)2.5 E F0
(m4)2.5 E F1 -.2(bu)2.5 G(ild process.).2 E -1.1(Yo)5 G 2.5(us)1.1 G
(houldn')-2.5 E 2.5(th)-.18 G -2.25 -.2(av e)-2.5 H(to mess with these.)
2.7 E 30.61(sitecon\214g Local)102 498 R .251(UUCP connecti)2.751 F .251
(vity information.)-.25 F .251
(This directory has been supplanted by the)5.251 F 1.077
(mailertable feature; an)174 510 R 3.577(yn)-.15 G 1.577 -.25(ew c)
-3.577 H 1.076(on\214gurations should use that feature to do UUCP).25 F
(\(and other\) routing.)174 522 Q
(The use of this directory is deprecated.)5 E .756(If you are in a ne)
127 538.2 R 3.256(wd)-.25 G .756(omain \(e.g., a compan)-3.256 F .757
(y\), you will probably w)-.15 F .757(ant to create a cf/domain)-.1 F
.051(\214le for your domain.)102 550.2 R .051
(This consists primarily of relay de\214nitions and features you w)5.051
F .05(ant enabled site-)-.1 F .915(wide: for e)102 562.2 R .915
(xample, Berk)-.15 F(ele)-.1 E(y')-.15 E 3.415(sd)-.55 G .915
(omain de\214nition de\214nes relays for BitNET and UUCP)-3.415 F 5.916
(.T)-1.11 G .916(hese are)-5.916 F 1.52(speci\214c to Berk)102 574.2 R
(ele)-.1 E 2.819 -.65(y, a)-.15 H 1.519
(nd should be fully-quali\214ed internet-style domain names.).65 F 1.519
(Please check to)6.519 F(mak)102 586.2 Q 2.5(ec)-.1 G(ertain the)-2.5 E
2.5(ya)-.15 G(re reasonable for your domain.)-2.5 E 1.406
(Subdomains at Berk)127 602.4 R(ele)-.1 E 3.906(ya)-.15 G 1.407
(re also represented in the cf/domain directory)-3.906 F 6.407(.F)-.65 G
1.407(or e)-6.557 F 1.407(xample, the)-.15 F .356(domain CS.Berk)102
614.4 R(ele)-.1 E -.65(y.)-.15 G .356
(EDU is the Computer Science subdomain, EECS.Berk).65 F(ele)-.1 E -.65
(y.)-.15 G .356(EDU is the Electri-).65 F 1.278
(cal Engineering and Computer Sciences subdomain, and S2K.Berk)102 626.4
R(ele)-.1 E -.65(y.)-.15 G 1.278(EDU is the Sequoia 2000).65 F 4.004
(subdomain. Y)102 638.4 R 1.504(ou will probably ha)-1.1 F 1.804 -.15
(ve t)-.2 H 4.004(oa).15 G 1.504
(dd an entry to this directory to be appropriate for your)-4.004 F
(domain.)102 650.4 Q -1.1(Yo)127 666.6 S 4.372(uw)1.1 G 1.872(ill ha)
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F F0(.mc)4.372 E F1 1.872(\214les in the)4.372 F F2(cf/cf)4.372 E F1
1.873(subdirectory for your hosts.)4.373 F 1.873(This is)6.873 F
(detailed in the cf/README \214le.)102 678.6 Q 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-10 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E 2.5(1.3. Details)87 96 R
(of Installation Files)2.5 E/F1 10/Times-Roman@0 SF
(This subsection describes the \214les that comprise the)127 112.2 Q/F2
10/Times-Italic@0 SF(sendmail)2.5 E F1(installation.)2.5 E F0 2.5
(1.3.1. /usr/sbin/sendmail)102 136.2 R F1 1.831(The binary for)142 154.4
R F2(sendmail)4.331 E F1 1.831(is located in /usr/sbin)4.331 F/F3 7
/Times-Roman@0 SF(1)-4 I F1 6.832(.I)4 K 4.332(ts)-6.832 G 1.832
(hould be set-group-ID smmsp as)-4.332 F .645
(described in sendmail/SECURITY)117 166.4 R 5.644(.F)-1.29 G .644
(or security reasons, /, /usr)-5.794 F 3.144(,a)-.4 G .644
(nd /usr/sbin should be o)-3.144 F(wned)-.25 E(by root, mode 0755)117
180.4 Q F3(2)-4 I F1(.)4 I F0 2.5(1.3.2. /etc/mail/sendmail.cf)102 204.4
R F1 .889(This is the main con\214guration \214le for)142 222.6 R F2
(sendmail)3.389 E F3(3)-4 I F1 5.889(.T)4 K .89(his is one of the tw)
-5.889 F 3.39(on)-.1 G .89(on-library \214le)-3.39 F
(names compiled into)117 236.6 Q F2(sendmail)2.5 E F3(4)-4 I F1 2.5(,t)4
K(he other is /etc/mail/submit.cf.)-2.5 E .721
(The con\214guration \214le is normally created using the distrib)142
252.8 R .721(ution \214les described abo)-.2 F -.15(ve)-.15 G 5.721(.I)
.15 G(f)-5.721 E .64(you ha)117 264.8 R .94 -.15(ve a p)-.2 H .64(artic\
ularly unusual system con\214guration you may need to create a special \
v).15 F(ersion.)-.15 E(The format of this \214le is detailed in later s\
ections of this document.)117 276.8 Q F0 2.5(1.3.3. /etc/mail/submit.cf)
102 300.8 R F1 .91(This is the con\214guration \214le for)142 317 R F2
(sendmail)3.411 E F1 .911
(when it is used for initial mail submission, in)3.411 F 1.005
(which case it is also called `)117 329 R 1.004
(`Mail Submission Program')-.74 F 3.504('\()-.74 G 1.004
(MSP\) in contrast to `)-3.504 F 1.004(`Mail T)-.74 F(ransfer)-.35 E
(Agent')117 341 Q 3.87('\()-.74 G(MT)-3.87 E 3.87(A\). Starting)-.93 F
1.37(with v)3.87 F 1.37(ersion 8.12,)-.15 F F2(sendmail)3.87 E F1 1.37
(uses one of tw)3.87 F 3.87(od)-.1 G(if)-3.87 E 1.37
(ferent con\214guration)-.25 F .052
(\214les based on its operation mode \(or the ne)117 353 R(w)-.25 E F0
<ad41>2.552 E F1 2.552(option\). F)2.552 F .051
(or initial mail submission, i.e., if one)-.15 F .951(of the options)117
365 R F0(\255bm)3.451 E F1(\(def)3.451 E(ault\),)-.1 E F0(\255bs)3.451 E
F1 3.451(,o)C(r)-3.451 E F0<ad74>3.451 E F1 .951
(is speci\214ed, submit.cf is used \(if a)3.451 F -.25(va)-.2 G .952
(ilable\), for other).25 F 2.28(operations sendmail.cf is used.)117 377
R 2.28(Details can be found in)7.28 F F2(sendmail/SECURITY)4.78 E F1
7.28(.s)C 2.28(ubmit.cf is)-7.28 F .014
(shipped with sendmail \(in cf/cf/\) and is installed by def)117 389 R
2.514(ault. If)-.1 F .014(changes to the con\214guration need)2.514 F
(to be made, start with cf/cf/submit.mc and follo)117 401 Q 2.5(wt)-.25
G(he instruction in cf/README.)-2.5 E F0 2.5(1.3.4. /usr/bin/newaliases)
102 425 R F1(The)142 441.2 Q F2(ne)2.5 E(waliases)-.15 E F1
(command should just be a link to)2.5 E F2(sendmail)2.5 E F1(:)A
(rm \255f /usr/bin/ne)157 457.4 Q -.1(wa)-.25 G(liases).1 E
(ln \255s /usr/sbin/sendmail /usr/bin/ne)157 469.4 Q -.1(wa)-.25 G
(liases).1 E(This can be installed in whate)117 485.6 Q -.15(ve)-.25 G
2.5(rs).15 G(earch path you prefer for your system.)-2.5 E F0 2.5
(1.3.5. /usr/bin/hoststat)102 509.6 R F1(The)142 525.8 Q F2(hoststat)
5.845 E F1 3.344(command should just be a link to)5.845 F F2(sendmail)
5.844 E F1 5.844(,i)C 5.844(naf)-5.844 G 3.344(ashion similar to)-5.944
F F2(ne)117 537.8 Q(waliases)-.15 E F1 6.443(.T)C 1.444(his command lis\
ts the status of the last mail transaction with all remote hosts.)-6.443
F(The)117 549.8 Q F0<ad76>3.857 E F1 1.357(\215ag will pre)3.857 F -.15
(ve)-.25 G 1.357(nt the status display from being truncated.).15 F 1.356
(It functions only when the)6.356 F F0(HostStatusDir)117 561.8 Q(ectory)
-.18 E F1(option is set.)2.5 E .32 LW 76 580.4 72 580.4 DL 80 580.4 76
580.4 DL 84 580.4 80 580.4 DL 88 580.4 84 580.4 DL 92 580.4 88 580.4 DL
96 580.4 92 580.4 DL 100 580.4 96 580.4 DL 104 580.4 100 580.4 DL 108
580.4 104 580.4 DL 112 580.4 108 580.4 DL 116 580.4 112 580.4 DL 120
580.4 116 580.4 DL 124 580.4 120 580.4 DL 128 580.4 124 580.4 DL 132
580.4 128 580.4 DL 136 580.4 132 580.4 DL 140 580.4 136 580.4 DL 144
580.4 140 580.4 DL 148 580.4 144 580.4 DL 152 580.4 148 580.4 DL 156
580.4 152 580.4 DL 160 580.4 156 580.4 DL 164 580.4 160 580.4 DL 168
580.4 164 580.4 DL 172 580.4 168 580.4 DL 176 580.4 172 580.4 DL 180
580.4 176 580.4 DL 184 580.4 180 580.4 DL 188 580.4 184 580.4 DL 192
580.4 188 580.4 DL 196 580.4 192 580.4 DL 200 580.4 196 580.4 DL 204
580.4 200 580.4 DL 208 580.4 204 580.4 DL 212 580.4 208 580.4 DL 216
580.4 212 580.4 DL/F4 5/Times-Roman@0 SF(1)93.6 590.8 Q/F5 8
/Times-Roman@0 SF .385(This is usually /usr/sbin on 4.4BSD and ne)3.2 J
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(ystems install it in /usr/lib)-2.385 F 4.384(.I)-.32 G .384
(understand it is in /usr/ucblib on)-2 F(System V Release 4.)72 603.6 Q
F4(2)93.6 614 Q F5 .149(Some v)3.2 J .15(endors ship them o)-.12 F .15(\
wned by bin; this creates a security hole that is not actually related \
to)-.2 F/F6 8/Times-Italic@0 SF(sendmail)2.15 E F5 4.15(.O)C .15
(ther important di-)-4.15 F(rectories that should ha)72 626.8 Q .24 -.12
(ve r)-.16 H(estricti).12 E .24 -.12(ve o)-.2 H(wnerships and permissio\
ns are /bin, /usr/bin, /etc, /etc/mail, /usr/etc, /lib, and /usr/lib)
-.08 E(.)-.32 E F4(3)93.6 637.2 Q F5(Actually)3.2 I 2.332(,t)-.52 G .332
(he pathname v)-2.332 F .332(aries depending on the operating system; /\
etc/mail is the preferred directory)-.2 F 4.332(.S)-.52 G .332
(ome older systems in-)-4.332 F 1.486(stall it in)72 650 R/F7 8
/Times-Bold@0 SF(/usr/lib/sendmail.cf)3.486 E F5 3.486(,a)C 1.486(nd I')
-3.486 F 1.726 -.12(ve a)-.4 H 1.486(lso seen it in).12 F F7
(/usr/ucblib)3.486 E F5 5.486(.I)C 3.486(fy)-5.486 G 1.486(ou w)-3.486 F
1.487(ant to mo)-.08 F 1.727 -.12(ve t)-.12 H 1.487
(his \214le, add -D_P).12 F -.888(AT)-.736 G(H_SENDMAIL-).888 E .093
(CF=\\"/\214le/name\\" to the \215ags passed to the C compiler)72 659.6
R 4.093(.M)-.44 G -.12(ov)-4.093 G .093
(ing this \214le is not recommended: other programs and scripts kno).12
F 2.093(wo)-.2 G 2.092(ft)-2.093 G(his)-2.092 E(location.)72 669.2 Q F4
(4)93.6 679.6 Q F5 .589
(The system libraries can reference other \214les; in particular)3.2 J
2.589(,s)-.32 G .589(ystem library subroutines that)-2.589 F F6
(sendmail)2.588 E F5 .588(calls probably reference)2.588 F F6
(/etc/passwd)72 692.4 Q F5(and)2 E F6(/etc/r)2 E(esolv)-.296 E(.conf)
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-11)195.86 E 2.5(1.3.6. /usr/bin/pur)102 96 R(gestat)-.1 E/F1 10
/Times-Roman@0 SF .186(This command is also a link to)142 112.2 R/F2 10
/Times-Italic@0 SF(sendmail)2.687 E F1 5.187(.I)C 2.687<748d>-5.187 G
.187(ushes e)-2.687 F .187(xpired \(T)-.15 F .187
(imeout.hoststatus\) informa-)-.35 F(tion that is stored in the)117
124.2 Q F0(HostStatusDir)2.5 E(ectory)-.18 E F1(tree.)2.5 E F0 2.5
(1.3.7. /v)102 148.2 R(ar/spool/mqueue)-.1 E F1 .218(The directory)142
164.4 R F2(/var/spool/mqueue)2.718 E F1 .217
(should be created to hold the mail queue.)2.718 F .217(This directory)
5.217 F(should be mode 0700 and o)117 176.4 Q(wned by root.)-.25 E 1.191
(The actual path of this directory is de\214ned by the)142 192.6 R F0
(QueueDir)3.692 E(ectory)-.18 E F1 1.192(option of the)3.692 F F2(send-)
3.692 E(mail.cf)117 204.6 Q F1 4.428(\214le. T)4.428 F 4.428(ou)-.8 G
1.928(se multiple queues, supply a v)-4.428 F 1.928
(alue ending with an asterisk.)-.25 F -.15(Fo)6.927 G 4.427(re).15 G
(xample,)-4.577 E F2(/var/spool/mqueue/qd*)117 216.6 Q F1 .737
(will use all of the directories or symbolic links to directories be)
3.236 F(ginning)-.15 E .78(with `qd' in)117 228.6 R F2
(/var/spool/mqueue)3.28 E F1 .779(as queue directories.)3.279 F .779
(Do not change the queue directory struc-)5.779 F
(ture while sendmail is running.)117 240.6 Q .897
(If these directories ha)142 256.8 R 1.197 -.15(ve s)-.2 H .898
(ubdirectories or symbolic links to directories named `qf).15 F .898
(', `df).55 F(',).55 E 1.241(and `xf)117 268.8 R 1.241
(', then these will be used for the dif).55 F 1.24
(ferent queue \214le types.)-.25 F 1.24(That is, the data \214les are)
6.24 F .246(stored in the `df)117 280.8 R 2.746('s).55 G(ubdirectory)
-2.746 E 2.746(,t)-.65 G .246
(he transcript \214les are stored in the `xf)-2.746 F 2.747('s).55 G
(ubdirectory)-2.747 E 2.747(,a)-.65 G .247(nd all oth-)-2.747 F
(ers are stored in the `qf)117 292.8 Q 2.5('s).55 G(ubdirectory)-2.5 E
(.)-.65 E 1.603(If shared memory support is compiled in,)142 309 R F2
(sendmail)4.102 E F1 1.602(stores the a)4.102 F -.25(va)-.2 G 1.602
(ilable diskspace in a).25 F 1.064(shared memory se)117 321 R 1.064
(gment to mak)-.15 F 3.564(et)-.1 G 1.065(he v)-3.564 F 1.065
(alues readily a)-.25 F -.25(va)-.2 G 1.065
(ilable to all children without incurring).25 F .251(system o)117 333 R
-.15(ve)-.15 G 2.751(rhead. In).15 F .251(this case, only the daemon up\
dates the data; i.e., the sendmail daemon cre-)2.751 F 1.036
(ates the shared memory se)117 345 R 1.037
(gment and deletes it if it is terminated.)-.15 F 2.637 -.8(To u)6.037 H
1.037(se this,).8 F F2(sendmail)3.537 E F1(must)3.537 E(ha)117 357 Q
2.462 -.15(ve b)-.2 H 2.162(een compiled with support for shared memory\
 \(-DSM_CONF_SHM\) and the option).15 F F0(Shar)117 369 Q(edMemoryK)-.18
E(ey)-.25 E F1 1.516(must be set.)4.016 F 1.516
(Notice: do not use the same k)6.516 F 1.816 -.15(ey f)-.1 H(or).15 E F2
(sendmail)4.017 E F1(in)4.017 E -.2(vo)-.4 G(cations).2 E .032(with dif)
117 381 R .032(ferent queue directories or dif)-.25 F .032
(ferent queue group declarations.)-.25 F .031(Access to shared memory)
5.031 F 1.542(is not controlled by locks, i.e., there is a race conditi\
on when data in the shared memory is)117 393 R 2.844(updated. Ho)117 405
R(we)-.25 E -.15(ve)-.25 G 1.144 -.4(r, s).15 H .344(ince operation of)
.4 F F2(sendmail)2.844 E F1 .344
(does not rely on the data in the shared memory)2.844 F(,)-.65 E
(this does not ne)117 417 Q -.05(ga)-.15 G(ti).05 E -.15(ve)-.25 G
(ly in\215uence the beha).15 E(vior)-.2 E(.)-.55 E F0 2.5(1.3.8. /v)102
441 R(ar/spool/clientmqueue)-.1 E F1 1.726(The directory)142 457.2 R F2
(/var/spool/clientmqueue)4.226 E F1 1.726
(should be created to hold the mail queue.)4.226 F(This)6.727 E
(directory should be mode 0770 and o)117 469.2 Q
(wned by user smmsp, group smmsp.)-.25 E .139
(The actual path of this directory is de\214ned by the)142 485.4 R F0
(QueueDir)2.639 E(ectory)-.18 E F1 .139(option of the)2.639 F F2
(submit.cf)2.639 E F1(\214le.)117 497.4 Q F0 2.5(1.3.9. /v)102 521.4 R
(ar/spool/mqueue/.hoststat)-.1 E F1 1.044(This is a typical v)142 537.6
R 1.044(alue for the)-.25 F F0(HostStatusDir)3.545 E(ectory)-.18 E F1
1.045(option, containing one \214le per host)3.545 F
(that this sendmail has chatted with recently)117 549.6 Q 5(.I)-.65 G
2.5(ti)-5 G 2.5(sn)-2.5 G(ormally a subdirectory of)-2.5 E F2(mqueue)2.5
E F1(.)A F0 2.5(1.3.10. /etc/mail/aliases*)102 573.6 R F1 .019
(The system aliases are held in \231/etc/mail/aliases\232.)142 589.8 R
2.519(As)5.019 G .019(ample is gi)-2.519 F -.15(ve)-.25 G 2.519(ni).15 G
2.519<6e99>-2.519 G(sendmail/aliases\232)-2.519 E
(which includes some aliases which)117 601.8 Q F2(must)2.5 E F1
(be de\214ned:)2.5 E(cp sendmail/aliases /etc/mail/aliases)157 618 Q F2
(edit /etc/mail/aliases)157 630 Q F1 -1.1(Yo)117 646.2 S 2.5(us)1.1 G
(hould e)-2.5 E(xtend this \214le with an)-.15 E 2.5(ya)-.15 G
(liases that are apropos to your system.)-2.5 E(Normally)142 662.4 Q F2
(sendmail)7.983 E F1 5.483(looks at a database v)7.983 F 5.484
(ersion of the \214les, stored either in)-.15 F 1.089(\231/etc/mail/ali\
ases.dir\232 and \231/etc/mail/aliases.pag\232 or \231/etc/mail/aliases\
.db\232 depending on which)117 674.4 R .202
(database package you are using.)117 686.4 R .202
(The actual path of this \214le is de\214ned in the)5.202 F F0
(AliasFile)2.703 E F1 .203(option of)2.703 F(the)117 698.4 Q F2
(sendmail.cf)2.5 E F1(\214le.)2.5 E 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-12 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF .155
(The permissions of the alias \214le and the database v)142 96 R .154
(ersions should be 0640 to pre)-.15 F -.15(ve)-.25 G .154(nt local).15 F
.242(denial of service attacks as e)117 108 R .242
(xplained in the top le)-.15 F -.15(ve)-.25 G(l).15 E F0(README)2.742 E
F1 .242(in the sendmail distrib)2.742 F 2.742(ution. If)-.2 F .909(the \
permissions 0640 are used, be sure that only trusted users belong to th\
e group assigned to)117 120 R(those \214les.)117 132 Q
(Otherwise, \214les should not e)5 E -.15(ve)-.25 G 2.5(nb).15 G 2.5(eg)
-2.5 G(roup readable.)-2.5 E F0 2.5(1.3.11. /etc/r)102 156 R 2.5(co)-.18
G 2.5(r/)-2.5 G(etc/init.d/sendmail)-2.5 E F1 .155
(It will be necessary to start up the)142 172.2 R/F2 10/Times-Italic@0
SF(sendmail)2.655 E F1 .156(daemon when your system reboots.)2.655 F
.156(This dae-)5.156 F 1.538(mon performs tw)117 184.2 R 4.037(of)-.1 G
1.537(unctions: it listens on the SMTP sock)-4.037 F 1.537
(et for connections \(to recei)-.1 F 1.837 -.15(ve m)-.25 H(ail).15 E
.442(from a remote system\) and it processes the queue periodically to \
insure that mail gets deli)117 196.2 R -.15(ve)-.25 G(red).15 E
(when hosts come up.)117 208.2 Q .894(If necessary)142 224.4 R 3.393(,a)
-.65 G .893(dd the follo)-3.393 F .893(wing lines to \231/etc/rc\232 \(\
or \231/etc/rc.local\232 as appropriate\) in the)-.25 F .312(area where\
 it is starting up the daemons on a BSD-base system, or on a System-V)
117 236.4 R .313(-based system)-1 F
(in one of the startup \214les, typically \231/etc/init.d/sendmail\232:)
117 248.4 Q(if [ \255f /usr/sbin/sendmail \255a \255f /etc/mail/sendmai\
l.cf ]; then)157 264.6 Q(\(cd /v)193 276.6 Q
(ar/spool/mqueue; rm \255f xf*\))-.25 E
(/usr/sbin/sendmail \255bd \255q30m &)193 288.6 Q
(echo \255n ' sendmail' >/de)193 300.6 Q(v/console)-.25 E<8c>157 312.6 Q
1.611(The \231cd\232 and \231rm\232 commands insure that all transcript\
 \214les ha)117 328.8 R 1.91 -.15(ve b)-.2 H 1.61(een remo).15 F -.15
(ve)-.15 G 1.61(d; e).15 F(xtraneous)-.15 E .772
(transcript \214les may be left around if the system goes do)117 340.8 R
.773(wn in the middle of processing a mes-)-.25 F 3.922(sage. The)117
352.8 R 1.422(line that actually in)3.922 F -.2(vo)-.4 G -.1(ke).2 G(s)
.1 E F2(sendmail)3.922 E F1 1.422(has tw)3.922 F 3.922<6f8d>-.1 G 1.422
(ags: \231\255bd\232 causes it to listen on the)-3.922 F
(SMTP port, and \231\255q30m\232 causes it to run the queue e)117 364.8
Q -.15(ve)-.25 G(ry half hour).15 E(.)-.55 E .029
(Some people use a more comple)142 381 R 2.529(xs)-.15 G .029
(tartup script, remo)-2.529 F .03
(ving zero length qf/hf/Qf \214les and df)-.15 F .023
(\214les for which there is no qf/hf/Qf \214le.)117 393 R .022
(Note this is not advisable.)5.022 F -.15(Fo)5.022 G 2.522(re).15 G .022
(xample, see Figure 1 for)-2.672 F(an e)117 405 Q(xample of a comple)
-.15 E 2.5(xs)-.15 G(cript which does this clean up.)-2.5 E F0 2.5
(1.3.12. /etc/mail/help\214le)102 429 R F1 .16
(This is the help \214le used by the SMTP)142 445.2 R F0(HELP)2.661 E F1
2.661(command. It)2.661 F .161(should be copied from \231send-)2.661 F
(mail/help\214le\232:)117 457.2 Q
(cp sendmail/help\214le /etc/mail/help\214le)157 473.4 Q
(The actual path of this \214le is de\214ned in the)117 489.6 Q F0
(HelpFile)2.5 E F1(option of the)2.5 E F2(sendmail.cf)2.5 E F1(\214le.)
2.5 E F0 2.5(1.3.13. /etc/mail/statistics)102 513.6 R F1 3.04
(If you wish to collect statistics about your mail traf)142 529.8 R 3.04
(\214c, you should create the \214le)-.25 F
(\231/etc/mail/statistics\232:)117 541.8 Q(cp /de)157 558 Q
(v/null /etc/mail/statistics)-.25 E(chmod 0600 /etc/mail/statistics)157
570 Q .715(This \214le does not gro)117 586.2 R 4.516 -.65(w. I)-.25 H
3.216(ti).65 G 3.216(sp)-3.216 G .716
(rinted with the program \231mailstats/mailstats.c.)-3.216 F 5.716<9a54>
-.7 G .716(he actual path)-5.716 F(of this \214le is de\214ned in the)
117 598.2 Q F0(S)2.5 E F1(option of the)2.5 E F2(sendmail.cf)2.5 E F1
(\214le.)2.5 E F0 2.5(1.3.14. /usr/bin/mailq)102 622.2 R F1(If)142 638.4
Q F2(sendmail)3.44 E F1 .94(is in)3.44 F -.2(vo)-.4 G -.1(ke).2 G 3.44
(da).1 G 3.44<7399>-3.44 G(mailq,)-3.44 E 3.439<9a69>-.7 G 3.439(tw)
-3.439 G .939(ill simulate the)-3.439 F F0(\255bp)3.439 E F1 .939
(\215ag \(i.e.,)3.439 F F2(sendmail)3.439 E F1 .939(will print)3.439 F
(the contents of the mail queue; see belo)117 650.4 Q 2.5(w\). This)-.25
F(should be a link to /usr/sbin/sendmail.)2.5 E F0 2.5
(1.3.15. sendmail.pid)102 674.4 R F2(sendmail)142 690.6 Q F1 2.333
(stores its current pid in the \214le speci\214ed by the)4.833 F F0
(PidFile)4.834 E F1 2.334(option \(def)4.834 F 2.334(ault is)-.1 F(_P)
117 702.6 Q -1.11(AT)-.92 G(H_SENDMAILPID\).)1.11 E F2(sendmail)5.697 E
F1(uses)3.197 E F0 -.92(Te)3.197 G(mpFileMode).92 E F1 .697(\(which def)
3.197 F .697(aults to 0600\) as the per)-.1 F(-)-.2 E 1.958
(missions of that \214le to pre)117 714.6 R -.15(ve)-.25 G 1.958
(nt local denial of service attacks as e).15 F 1.958
(xplained in the top le)-.15 F -.15(ve)-.25 G(l).15 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-13)195.86 E .4 LW 77 108 72 108 DL 79 108 74 108 DL 84 108 79
108 DL 89 108 84 108 DL 94 108 89 108 DL 99 108 94 108 DL 104 108 99 108
DL 109 108 104 108 DL 114 108 109 108 DL 119 108 114 108 DL 124 108 119
108 DL 129 108 124 108 DL 134 108 129 108 DL 139 108 134 108 DL 144 108
139 108 DL 149 108 144 108 DL 154 108 149 108 DL 159 108 154 108 DL 164
108 159 108 DL 169 108 164 108 DL 174 108 169 108 DL 179 108 174 108 DL
184 108 179 108 DL 189 108 184 108 DL 194 108 189 108 DL 199 108 194 108
DL 204 108 199 108 DL 209 108 204 108 DL 214 108 209 108 DL 219 108 214
108 DL 224 108 219 108 DL 229 108 224 108 DL 234 108 229 108 DL 239 108
234 108 DL 244 108 239 108 DL 249 108 244 108 DL 254 108 249 108 DL 259
108 254 108 DL 264 108 259 108 DL 269 108 264 108 DL 274 108 269 108 DL
279 108 274 108 DL 284 108 279 108 DL 289 108 284 108 DL 294 108 289 108
DL 299 108 294 108 DL 304 108 299 108 DL 309 108 304 108 DL 314 108 309
108 DL 319 108 314 108 DL 324 108 319 108 DL 329 108 324 108 DL 334 108
329 108 DL 339 108 334 108 DL 344 108 339 108 DL 349 108 344 108 DL 354
108 349 108 DL 359 108 354 108 DL 364 108 359 108 DL 369 108 364 108 DL
374 108 369 108 DL 379 108 374 108 DL 384 108 379 108 DL 389 108 384 108
DL 394 108 389 108 DL 399 108 394 108 DL 404 108 399 108 DL 409 108 404
108 DL 414 108 409 108 DL 419 108 414 108 DL 424 108 419 108 DL 429 108
424 108 DL 434 108 429 108 DL 439 108 434 108 DL 444 108 439 108 DL 449
108 444 108 DL 454 108 449 108 DL 459 108 454 108 DL 464 108 459 108 DL
469 108 464 108 DL 474 108 469 108 DL 479 108 474 108 DL 484 108 479 108
DL 489 108 484 108 DL 494 108 489 108 DL 499 108 494 108 DL 504 108 499
108 DL/F1 10/Times-Roman@0 SF(#!/bin/sh)72 132 Q 2.5(#r)72 144 S(emo)
-2.5 E .3 -.15(ve z)-.15 H(ero length qf/hf/Qf \214les).15 E(for qf)72
156 Q(\214le in qf* hf* Qf*)-.25 E(do)72 168 Q(if [ \255r $qf)108 180 Q
(\214le ])-.25 E(then)108 192 Q(if [ ! \255s $qf)144 204 Q(\214le ])-.25
E(then)144 216 Q(echo \255n " <zero: $qf)180 228 Q(\214le>" > /de)-.25 E
(v/console)-.25 E(rm \255f $qf)180 240 Q(\214le)-.25 E<8c>144 252 Q<8c>
108 264 Q(done)72 276 Q 2.5(#r)72 288 S
(ename tf \214les to be qf if the qf does not e)-2.5 E(xist)-.15 E
(for tf)72 300 Q(\214le in tf*)-.25 E(do)72 312 Q(qf)108 324 Q
(\214le=`echo $tf)-.25 E(\214le | sed ')-.25 E(s/t/q/'`)-.55 E
(if [ \255r $tf)108 336 Q(\214le \255a ! \255f $qf)-.25 E(\214le ])-.25
E(then)108 348 Q(echo \255n " <reco)144 360 Q -.15(ve)-.15 G(ring: $tf)
.15 E(\214le>" > /de)-.25 E(v/console)-.25 E(mv $tf)144 372 Q
(\214le $qf)-.25 E(\214le)-.25 E(else)108 384 Q(if [ \255f $tf)144 396 Q
(\214le ])-.25 E(then)144 408 Q(echo \255n " <e)180 420 Q(xtra: $tf)-.15
E(\214le>" > /de)-.25 E(v/console)-.25 E(rm \255f $tf)180 432 Q(\214le)
-.25 E<8c>144 444 Q<8c>108 456 Q(done)72 468 Q 2.5(#r)72 480 S(emo)-2.5
E .3 -.15(ve d)-.15 H 2.5<668c>.15 G
(les with no corresponding qf/hf/Qf \214les)-2.5 E(for df)72 492 Q
(\214le in df*)-.25 E(do)72 504 Q(qf)108 516 Q(\214le=`echo $df)-.25 E
(\214le | sed ')-.25 E(s/d/q/'`)-.55 E(hf)108 528 Q(\214le=`echo $df)
-.25 E(\214le | sed ')-.25 E(s/d/h/'`)-.55 E(Qf)108 540 Q
(\214le=`echo $df)-.25 E(\214le | sed ')-.25 E(s/d/Q/'`)-.55 E
(if [ \255r $df)108 552 Q(\214le \255a ! \255f $qf)-.25 E
(\214le \255a ! \255f $hf)-.25 E(\214le \255a ! \255f $Qf)-.25 E
(\214le ])-.25 E(then)108 564 Q(echo \255n " <incomplete: $df)144 576 Q
(\214le>" > /de)-.25 E(v/console)-.25 E(mv $df)144 588 Q
(\214le `echo $df)-.25 E(\214le | sed ')-.25 E(s/d/D/'`)-.55 E<8c>108
600 Q(done)72 612 Q 2.5(#a)72 624 S(nnounce \214les that ha)-2.5 E .3
-.15(ve b)-.2 H(een sa).15 E -.15(ve)-.2 G 2.5(dd).15 G
(uring disaster reco)-2.5 E -.15(ve)-.15 G(ry).15 E(for xf)72 636 Q
(\214le in [A-Z]f*)-.25 E(do)72 648 Q(if [ \255f $xf)108 660 Q(\214le ])
-.25 E(then)108 672 Q(echo \255n " <panic: $xf)144 684 Q(\214le>" > /de)
-.25 E(v/console)-.25 E<8c>108 696 Q(done)72 708 Q 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-14 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF
(Figure 1 \212 A comple)214.47 96 Q 2.5(xs)-.15 G(tartup script)-2.5 E
.4 LW 77 108 72 108 DL 79 108 74 108 DL 84 108 79 108 DL 89 108 84 108
DL 94 108 89 108 DL 99 108 94 108 DL 104 108 99 108 DL 109 108 104 108
DL 114 108 109 108 DL 119 108 114 108 DL 124 108 119 108 DL 129 108 124
108 DL 134 108 129 108 DL 139 108 134 108 DL 144 108 139 108 DL 149 108
144 108 DL 154 108 149 108 DL 159 108 154 108 DL 164 108 159 108 DL 169
108 164 108 DL 174 108 169 108 DL 179 108 174 108 DL 184 108 179 108 DL
189 108 184 108 DL 194 108 189 108 DL 199 108 194 108 DL 204 108 199 108
DL 209 108 204 108 DL 214 108 209 108 DL 219 108 214 108 DL 224 108 219
108 DL 229 108 224 108 DL 234 108 229 108 DL 239 108 234 108 DL 244 108
239 108 DL 249 108 244 108 DL 254 108 249 108 DL 259 108 254 108 DL 264
108 259 108 DL 269 108 264 108 DL 274 108 269 108 DL 279 108 274 108 DL
284 108 279 108 DL 289 108 284 108 DL 294 108 289 108 DL 299 108 294 108
DL 304 108 299 108 DL 309 108 304 108 DL 314 108 309 108 DL 319 108 314
108 DL 324 108 319 108 DL 329 108 324 108 DL 334 108 329 108 DL 339 108
334 108 DL 344 108 339 108 DL 349 108 344 108 DL 354 108 349 108 DL 359
108 354 108 DL 364 108 359 108 DL 369 108 364 108 DL 374 108 369 108 DL
379 108 374 108 DL 384 108 379 108 DL 389 108 384 108 DL 394 108 389 108
DL 399 108 394 108 DL 404 108 399 108 DL 409 108 404 108 DL 414 108 409
108 DL 419 108 414 108 DL 424 108 419 108 DL 429 108 424 108 DL 434 108
429 108 DL 439 108 434 108 DL 444 108 439 108 DL 449 108 444 108 DL 454
108 449 108 DL 459 108 454 108 DL 464 108 459 108 DL 469 108 464 108 DL
474 108 469 108 DL 479 108 474 108 DL 484 108 479 108 DL 489 108 484 108
DL 494 108 489 108 DL 499 108 494 108 DL 504 108 499 108 DL F0(README)
117 144 Q F1 .64(in the sendmail distrib)3.14 F 3.14(ution. If)-.2 F .64
(the \214le already e)3.14 F .64(xists, then it might be necessary to)
-.15 F(change the permissions accordingly)117 156 Q 2.5(,e)-.65 G(.g.,)
-2.5 E(chmod 0600 /v)157 172.2 Q(ar/run/sendmail.pid)-.25 E 1.955
(Note that as of v)117 188.4 R 1.956(ersion 8.13, this \214le is unlink)
-.15 F 1.956(ed when)-.1 F/F2 10/Times-Italic@0 SF(sendmail)4.456 E F1
-.15(ex)4.456 G 4.456(its. As).15 F 4.456(ar)4.456 G 1.956
(esult of this)-4.456 F 1.325(change, a script such as the follo)117
200.4 R 1.324(wing, which may ha)-.25 F 1.624 -.15(ve w)-.2 H(ork).05 E
1.324(ed prior to 8.13, will no longer)-.1 F -.1(wo)117 212.4 S(rk:).1 E
2.5(#s)157 228.6 S(top & start sendmail)-2.5 E(PIDFILE=/v)157 240.6 Q
(ar/run/sendmail.pid)-.25 E(kill `head -1 $PIDFILE`)157 252.6 Q
(`tail -1 $PIDFILE`)157 264.6 Q .217
(because it assumes that the pid\214le will still e)117 280.8 R .218
(xist e)-.15 F -.15(ve)-.25 G 2.718(na).15 G .218
(fter killing the process to which it refers.)-2.718 F(Belo)117 292.8 Q
2.5(wi)-.25 G 2.5(sas)-2.5 G(cript which will w)-2.5 E
(ork correctly on both ne)-.1 E(wer and older v)-.25 E(ersions:)-.15 E
2.5(#s)157 309 S(top & start sendmail)-2.5 E(PIDFILE=/v)157 321 Q
(ar/run/sendmail.pid)-.25 E(pid=`head -1 $PIDFILE`)157 333 Q
(cmd=`tail -1 $PIDFILE`)157 345 Q(kill $pid)157 357 Q($cmd)157 369 Q
1.311(This is just an e)117 385.2 R 1.311
(xample script, it does not perform an)-.15 F 3.81(ye)-.15 G 1.31
(rror checks, e.g., whether the pid\214le)-3.81 F -.15(ex)117 397.2 S
(ists at all.).15 E F0 2.5(1.3.16. Map)102 421.2 R(Files)2.5 E F1 2.465
-.8(To p)142 437.4 T(re).8 E -.15(ve)-.25 G .865
(nt local denial of service attacks as e).15 F .865
(xplained in the top le)-.15 F -.15(ve)-.25 G(l).15 E F0(README)3.366 E
F1 .866(in the)3.366 F 1.077(sendmail distrib)117 449.4 R 1.077
(ution, the permissions of map \214les created by)-.2 F F2(mak)3.577 E
(emap)-.1 E F1 1.077(should be 0640.)3.577 F(The)6.076 E .56(use of 064\
0 implies that only trusted users belong to the group assigned to those\
 \214les.)117 461.4 R .56(If those)5.56 F(\214les already e)117 473.4 Q
(xist, then it might be necessary to change the permissions accordingly)
-.15 E 2.5(,e)-.65 G(.g.,)-2.5 E(cd /etc/mail)157 489.6 Q
(chmod 0640 *.db *.pag *.dir)157 501.6 Q F0 2.5(2. NORMAL)72 529.8 R
(OPERA)2.5 E(TIONS)-.95 E 2.5(2.1. The)87 553.8 R(System Log)2.5 E F1
1.511(The system log is supported by the)127 570 R F2(syslo)4.011 E(gd)
-.1 E F1 1.511(\(8\) program.)1.666 F 1.511(All messages from)6.511 F F2
(sendmail)4.011 E F1(are)4.011 E(logged under the)102 584 Q/F3 9
/Times-Roman@0 SF(LOG_MAIL)2.5 E F1 -.1(fa)2.5 G(cility).1 E/F4 7
/Times-Roman@0 SF(5)-4 I F1(.)4 I F0 2.5(2.1.1. F)102 608 R(ormat)-.25 E
F1 .574(Each line in the system log consists of a timestamp, the name o\
f the machine that gener)142 624.2 R(-)-.2 E .849
(ated it \(for logging from se)117 636.2 R -.15(ve)-.25 G .849
(ral machines o).15 F -.15(ve)-.15 G 3.349(rt).15 G .848
(he local area netw)-3.349 F .848(ork\), the w)-.1 F .848
(ord \231sendmail:\232,)-.1 F(and a message)117 650.2 Q F4(6)-4 I F1 5
(.M)4 K(ost messages are a sequence of)-5 E F2(name)2.5 E F1(=)A F2
(value)A F1(pairs.)2.5 E .32 LW 76 665.2 72 665.2 DL 80 665.2 76 665.2
DL 84 665.2 80 665.2 DL 88 665.2 84 665.2 DL 92 665.2 88 665.2 DL 96
665.2 92 665.2 DL 100 665.2 96 665.2 DL 104 665.2 100 665.2 DL 108 665.2
104 665.2 DL 112 665.2 108 665.2 DL 116 665.2 112 665.2 DL 120 665.2 116
665.2 DL 124 665.2 120 665.2 DL 128 665.2 124 665.2 DL 132 665.2 128
665.2 DL 136 665.2 132 665.2 DL 140 665.2 136 665.2 DL 144 665.2 140
665.2 DL 148 665.2 144 665.2 DL 152 665.2 148 665.2 DL 156 665.2 152
665.2 DL 160 665.2 156 665.2 DL 164 665.2 160 665.2 DL 168 665.2 164
665.2 DL 172 665.2 168 665.2 DL 176 665.2 172 665.2 DL 180 665.2 176
665.2 DL 184 665.2 180 665.2 DL 188 665.2 184 665.2 DL 192 665.2 188
665.2 DL 196 665.2 192 665.2 DL 200 665.2 196 665.2 DL 204 665.2 200
665.2 DL 208 665.2 204 665.2 DL 212 665.2 208 665.2 DL 216 665.2 212
665.2 DL/F5 5/Times-Roman@0 SF(5)93.6 675.6 Q/F6 8/Times-Roman@0 SF
(Except on Ultrix, which does not support f)3.2 I
(acilities in the syslog.)-.08 E F5(6)93.6 689.2 Q F6(This format may v)
3.2 I(ary slightly if your v)-.2 E(endor has changed the syntax.)-.12 E
0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-15)195.86 E/F1 10/Times-Roman@0 SF .68(The tw)142 96 R 3.18(om)
-.1 G .68(ost common lines are logged when a message is processed.)-3.18
F .68(The \214rst logs the)5.68 F .376
(receipt of a message; there will be e)117 108 R .376
(xactly one of these per message.)-.15 F .376
(Some \214elds may be omit-)5.376 F(ted if the)117 120 Q 2.5(yd)-.15 G
2.5(on)-2.5 G(ot contain interesting information.)-2.5 E(Fields are:)5 E
50.06(from The)117 136.2 R(en)2.5 E -.15(ve)-.4 G(lope sender address.)
.15 E 53.95(size The)117 152.4 R(size of the message in bytes.)2.5 E
50.06(class The)117 168.6 R
(class \(i.e., numeric precedence\) of the message.)2.5 E 58.39(pri The)
117 184.8 R(initial message priority \(used for queue sorting\).)2.5 E
45.06(nrcpts The)117 201 R 1.514(number of en)4.014 F -.15(ve)-.4 G
1.515(lope recipients for this message \(after aliasing and for).15 F(-)
-.2 E -.1(wa)189 213 S(rding\).).1 E 45.05(msgid The)117 229.2 R
(message id of the message \(from the header\).)2.5 E 32.28
(bodytype The)117 245.4 R 3.144
(message body type \(7BIT or 8BITMIME\), as determined from the)5.644 F
(en)189 257.4 Q -.15(ve)-.4 G(lope.).15 E 48.39(proto The)117 273.6 R
(protocol used to recei)2.5 E .3 -.15(ve t)-.25 H
(his message \(e.g., ESMTP or UUCP\)).15 E 37.84(daemon The)117 289.8 R
(daemon name from the)2.5 E F0(DaemonP)2.5 E(ortOptions)-.2 E F1
(setting.)2.5 E 49.51(relay The)117 306 R(machine from which it w)2.5 E
(as recei)-.1 E -.15(ve)-.25 G(d.).15 E .43
(There is also one line logged per deli)117 322.2 R -.15(ve)-.25 G .43
(ry attempt \(so there can be se).15 F -.15(ve)-.25 G .43
(ral per message if deli).15 F(v-)-.25 E
(ery is deferred or there are multiple recipients\).)117 334.2 Q
(Fields are:)5 E 61.72(to A)117 350.4 R
(comma-separated list of the recipients to this mailer)2.5 E(.)-.55 E
41.73(ctladdr The)117 366.6 R -.74(``)2.727 G .227(controlling user').74
F .226(', that is, the name of the user whose credentials we use)-.74 F
(for deli)189 378.6 Q -.15(ve)-.25 G(ry).15 E(.)-.65 E 47.84(delay The)
117 394.8 R 1.205(total delay between the time this message w)3.705 F
1.205(as recei)-.1 F -.15(ve)-.25 G 3.705(da).15 G 1.205(nd the current)
-3.705 F(deli)189 406.8 Q -.15(ve)-.25 G(ry attempt.).15 E 42.84
(xdelay The)117 423 R .116(amount of time needed in this deli)2.616 F
-.15(ve)-.25 G .116(ry attempt \(normally indicati).15 F .415 -.15(ve o)
-.25 H 2.615(ft).15 G(he)-2.615 E(speed of the connection\).)189 435 Q
43.95(mailer The)117 451.2 R(name of the mailer used to deli)2.5 E -.15
(ve)-.25 G 2.5(rt).15 G 2.5(ot)-2.5 G(his recipient.)-2.5 E 49.51
(relay The)117 467.4 R(name of the host that actually accepted \(or rej\
ected\) this recipient.)2.5 E 55.61(dsn The)117 483.6 R
(enhanced error code \(RFC 2034\) if a)2.5 E -.25(va)-.2 G(ilable.).25 E
55.61(stat The)117 499.8 R(deli)2.5 E -.15(ve)-.25 G(ry status.).15 E
1.012(Not all \214elds are present in all messages; for e)117 516 R
1.012(xample, the relay is usually not listed for local)-.15 F(deli)117
528 Q -.15(ve)-.25 G(ries.).15 E F0 2.5(2.1.2. Le)102 552 R -.1(ve)-.15
G(ls).1 E F1 .205(If you ha)142 568.2 R -.15(ve)-.2 G/F2 10
/Times-Italic@0 SF(syslo)2.855 E(gd)-.1 E F1 .205(\(8\) or an equi)1.666
F -.25(va)-.25 G .205(lent installed, you will be able to do logging.)
.25 F .204(There is)5.204 F 2.787(al)117 580.2 S(ar)-2.787 E .287
(ge amount of information that can be logged.)-.18 F .287
(The log is arranged as a succession of le)5.287 F -.15(ve)-.25 G(ls.)
.15 E .651(At the lo)117 592.2 R .651(west le)-.25 F -.15(ve)-.25 G
3.151(lo).15 G .651(nly e)-3.151 F .651
(xtremely strange situations are logged.)-.15 F .65(At the highest le)
5.651 F -.15(ve)-.25 G .65(l, e).15 F -.15(ve)-.25 G 3.15(nt).15 G(he)
-3.15 E .825(most mundane and uninteresting e)117 604.2 R -.15(ve)-.25 G
.825(nts are recorded for posterity).15 F 5.826(.A)-.65 G 3.326(sac)
-5.826 G(on)-3.326 E -.15(ve)-.4 G .826(ntion, log le).15 F -.15(ve)-.25
G(ls).15 E .201
(under ten are considered generally \231useful;\232 log le)117 616.2 R
-.15(ve)-.25 G .201(ls abo).15 F .501 -.15(ve 6)-.15 H 2.701(4a).15 G .2
(re reserv)-2.701 F .2(ed for deb)-.15 F .2(ugging pur)-.2 F(-)-.2 E 2.5
(poses. Le)117 628.2 R -.15(ve)-.25 G(ls from 11\25564 are reserv).15 E
(ed for v)-.15 E(erbose information that some sites might w)-.15 E(ant.)
-.1 E 2.5(Ac)142 644.4 S(omplete description of the log le)-2.5 E -.15
(ve)-.25 G(ls is gi).15 E -.15(ve)-.25 G 2.5(ni).15 G 2.5(ns)-2.5 G
(ection `)-2.5 E(`Log Le)-.74 E -.15(ve)-.25 G(l').15 E('.)-.74 E F0 2.5
(2.2. Dumping)87 668.4 R(State)2.5 E F1 -1.1(Yo)127 684.6 S 2.563(uc)1.1
G .063(an ask)-2.563 F F2(sendmail)2.563 E F1 .064(to log a dump of the\
 open \214les and the connection cache by sending it a)2.563 F/F3 9
/Times-Roman@0 SF(SIGUSR1)102 696.6 Q F1 2.5(signal. The)2.5 F
(results are logged at)2.5 E F3(LOG_DEB)2.5 E(UG)-.09 E F1(priority)2.5
E(.)-.65 E 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-16 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E 2.5(2.3. The)87 96 R
(Mail Queues)2.5 E/F1 10/Times-Roman@0 SF .649
(Mail messages may either be deli)127 112.2 R -.15(ve)-.25 G .648
(red immediately or be held for later deli).15 F -.15(ve)-.25 G(ry).15 E
5.648(.H)-.65 G .648(eld mes-)-5.648 F
(sages are placed into a holding directory called a mail queue.)102
124.2 Q 2.5(Am)127 140.4 S(ail message may be queued for these reasons:)
-2.5 E 5<8349>107 156.6 S 2.546(fam)-5 G .047
(ail message is temporarily undeli)-2.546 F -.15(ve)-.25 G .047
(rable, it is queued and deli).15 F -.15(ve)-.25 G .047
(ry is attempted later).15 F 5.047(.I)-.55 G 2.547(ft)-5.047 G(he)-2.547
E .141(message is addressed to multiple recipients, it is queued only f\
or those recipients to whom deli)115.5 168.6 R(v-)-.25 E
(ery is not immediately possible.)115.5 180.6 Q 5<8349>107 192.6 S 2.5
(ft)-5 G(he SuperSafe option is set to true, all mail messages are queu\
ed while deli)-2.5 E -.15(ve)-.25 G(ry is attempted.).15 E 5<8349>107
204.6 S 3.258(ft)-5 G .758(he Deli)-3.258 F -.15(ve)-.25 G .758
(ryMode option is set to queue-only or defer).15 F 3.258(,a)-.4 G .758
(ll mail is queued, and no immediate)-3.258 F(deli)115.5 216.6 Q -.15
(ve)-.25 G(ry is attempted.).15 E 5<8349>107 228.6 S 2.815(ft)-5 G .315
(he load a)-2.815 F -.15(ve)-.2 G .315(rage becomes higher than the v)
.15 F .314(alue of the QueueLA option and the)-.25 F F0(QueueF)2.814 E
(actor)-.25 E F1(\()115.5 240.6 Q F0(q)A F1 3.442(\)o)C .942(ption di)
-3.442 F .942(vided by the dif)-.25 F .942
(ference in the current load a)-.25 F -.15(ve)-.2 G .942(rage and the)
.15 F F0(QueueLA)3.442 E F1 .942(option plus)3.442 F .403(one is less t\
han the priority of the message, messages are queued rather than immedi\
ately deli)115.5 252.6 R(v-)-.25 E(ered.)115.5 264.6 Q 5<834f>107 276.6
S .744(ne or more addresses are mark)-5 F .745(ed as e)-.1 F(xpensi)-.15
E 1.045 -.15(ve a)-.25 H .745(nd deli).15 F -.15(ve)-.25 G .745
(ry is postponed until the ne).15 F .745(xt queue)-.15 F
(run or one or more address are mark)115.5 288.6 Q
(ed as held via mailer which uses the hold mailer \215ag.)-.1 E 5<8354>
107 300.6 S(he mail message has been mark)-5 E
(ed as quarantined via a mail \214lter or rulesets.)-.1 E F0 2.5
(2.3.1. Queue)102 324.6 R(Gr)2.5 E(oups and Queue Dir)-.18 E(ectories)
-.18 E F1 .339(There are one or more mail queues.)142 340.8 R .339
(Each mail queue belongs to a queue group.)5.339 F .338(There is)5.338 F
(al)117 352.8 Q -.1(wa)-.1 G .616(ys a def).1 F .616
(ault queue group that is called `)-.1 F(`mqueue')-.74 E 3.117('\()-.74
G .617(which is where messages go by def)-3.117 F(ault)-.1 E 2.244
(unless otherwise speci\214ed\).)117 364.8 R 2.244
(The directory or directories which comprise the def)7.244 F 2.243
(ault queue)-.1 F 1.379
(group are speci\214ed by the QueueDirectory option.)117 376.8 R 1.379
(There are zero or more additional named)6.379 F
(queue groups declared using the)117 388.8 Q F0(Q)2.5 E F1
(command in the con\214guration \214le.)2.5 E .182(By def)142 405 R .181
(ault, a queued message is placed in the queue group associated with th\
e \214rst recipi-)-.1 F 1.18(ent in the recipient list.)117 417 R 3.68
(Ar)6.18 G 1.181(ecipient address is mapped to a queue group as follo)
-3.68 F 3.681(ws. First,)-.25 F(if)3.681 E 1.222
(there is a ruleset called `)117 429 R(`queue)-.74 E(group')-.15 E 1.222
(', and if this ruleset maps the address to a queue group)-.74 F 1.39
(name, then that queue group is chosen.)117 441 R 1.39(That is, the ar)
6.39 F 1.39(gument for the ruleset is the recipient)-.18 F .44
(address \(i.e., the address part of the resolv)117 453 R .439
(ed triple\) and the result should be)-.15 F F0($#)2.939 E F1(follo)
2.939 E .439(wed by the)-.25 F .768(name of a queue group.)117 465 R
.769(Otherwise, if the mailer associated with the address speci\214es a\
 queue)5.768 F(group, then that queue group is chosen.)117 477 Q
(Otherwise, the def)5 E(ault queue group is chosen.)-.1 E 3.379(Am)142
493.2 S .879(essage with multiple recipients will be split if dif)-3.379
F .878(ferent queue groups are chosen by)-.25 F
(the mapping of recipients to queue groups.)117 505.2 Q 1.606(When a me\
ssage is placed in a queue group, and the queue group has more than one)
142 521.4 R(queue, a queue is selected randomly)117 533.4 Q(.)-.65 E
1.633(If a message with multiple recipients is placed into a queue grou\
p with the ')142 549.6 R 1.632(r' option)-.5 F 1.055
(\(maximum number of recipients per message\) set to a positi)117 561.6
R 1.356 -.15(ve v)-.25 H(alue)-.1 E/F2 10/Times-Italic@0 SF(N)3.556 E F1
3.556(,a)C 1.056(nd if there are more)-3.556 F(than)117 573.6 Q F2(N)
2.905 E F1 .405(recipients in the message, then the message will be spl\
it into multiple messages, each of)2.905 F(which ha)117 585.6 Q .3 -.15
(ve a)-.2 H 2.5(tm).15 G(ost)-2.5 E F2(N)2.5 E F1(recipients.)2.5 E .06
(Notice: if multiple queue groups are used, do)142 601.8 R F0(not)2.56 E
F1(mo)2.56 E .36 -.15(ve q)-.15 H .06
(ueue \214les around, e.g., into a dif-).15 F 1.436
(ferent queue directory)117 613.8 R 6.436(.T)-.65 G 1.436(his may ha)
-6.436 F 1.735 -.15(ve w)-.2 H 1.435(eird ef).15 F 1.435
(fects and can cause mail not to be deli)-.25 F -.15(ve)-.25 G(red.).15
E(Queue \214les and directories should be treated as opaque and should \
not be manipulated directly)117 625.8 Q(.)-.65 E F0 2.5(2.3.2. Queue)102
649.8 R(Runs)2.5 E F2(sendmail)142 666 Q F1 1(has tw)3.5 F 3.5(od)-.1 G
(if)-3.5 E 1(ferent w)-.25 F 1.001(ays to process the queue\(s\).)-.1 F
1.001(The \214rst one is to start queue)6.001 F .104
(runners after certain interv)117 678 R .104(als \(`)-.25 F(`normal')
-.74 E 2.604('q)-.74 G .103(ueue runners\), the second one is to k)
-2.604 F .103(eep queue runner)-.1 F .4(processes around \(`)117 690 R
(`persistent')-.74 E 2.9('q)-.74 G .401(ueue runners\).)-2.9 F(Ho)5.401
E 2.901(wt)-.25 G 2.901(os)-2.901 G .401
(elect either of these types is discussed)-2.901 F 1.349
(in the appendix `)117 702 R 1.348(`COMMAND LINE FLA)-.74 F(GS')-.4 E
3.848('. Persistent)-.74 F 1.348(queue runners ha)3.848 F 1.648 -.15
(ve t)-.2 H 1.348(he adv).15 F(antage)-.25 E .054(that no ne)117 714 R
2.554(wp)-.25 G .054(rocesses need to be spa)-2.554 F .055
(wned at certain interv)-.15 F .055(als; the)-.25 F 2.555(yj)-.15 G .055
(ust sleep for a speci\214ed time)-2.555 F 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-17)195.86 E/F1 10/Times-Roman@0 SF .554(after the)117 96 R 3.054
<798c>-.15 G .554(nished a queue run.)-3.054 F .554(Another adv)5.554 F
.554(antage of persistent queue runners is that only one)-.25 F .379
(process belonging to a w)117 108 R .379(orkgroup \(a w)-.1 F .38
(orkgroup is a set of queue groups\) collects the data for a)-.1 F .489
(queue run and then multiple queue runner may go ahead using that data.)
117 120 R .488(This can signi\214cantly)5.488 F .861(reduce the disk I/\
O necessary to read the queue \214les compared to starting multiple que\
ue run-)117 132 R .55(ners directly)117 144 R 5.55(.T)-.65 G .55
(heir disadv)-5.55 F .55(antage is that a ne)-.25 F 3.049(wq)-.25 G .549
(ueue run is only started after all queue runners)-3.049 F 1.043
(belonging to a group \214nished their tasks.)117 156 R 1.044
(In case one of the queue runners tries deli)6.043 F -.15(ve)-.25 G
1.044(ry to a).15 F(slo)117 168 Q 3.283(wr)-.25 G .783
(ecipient site at the end of a queue run, the ne)-3.283 F .782
(xt queue run may be substantially delayed.)-.15 F .741
(In general this should be smoothed out due to the distrib)117 180 R
.741(ution of those slo)-.2 F 3.242(wj)-.25 G .742(obs, ho)-3.242 F(we)
-.25 E -.15(ve)-.25 G 1.542 -.4(r, f).15 H(or).4 E .142(sites with smal\
l number of queue entries this might introduce noticeable delays.)117
192 R .141(In general, per)5.141 F(-)-.2 E
(sistent queue runners are only useful for sites with big queues.)117
204 Q F0 2.5(2.3.3. Manual)102 228 R(Inter)2.5 E -.1(ve)-.1 G(ntion).1 E
F1 1.049
(Under normal conditions the mail queue will be processed transparently)
142 244.2 R 6.049(.H)-.65 G -.25(ow)-6.049 G -2.15 -.25(ev e).25 H 1.85
-.4(r, y).25 H(ou).4 E .152(may \214nd that manual interv)117 256.2 R
.151(ention is sometimes necessary)-.15 F 5.151(.F)-.65 G .151(or e)
-5.301 F .151(xample, if a major host is do)-.15 F(wn)-.25 E .103
(for a period of time the queue may become clogged.)117 268.2 R
(Although)5.103 E/F2 10/Times-Italic@0 SF(sendmail)2.604 E F1 .104
(ought to reco)2.604 F -.15(ve)-.15 G 2.604(rg).15 G(race-)-2.604 E .249
(fully when the host comes up, you may \214nd performance unacceptably \
bad in the meantime.)117 280.2 R(In)5.248 E .538(that case you w)117
292.2 R .538
(ant to check the content of the queue and manipulate it as e)-.1 F .539
(xplained in the ne)-.15 F(xt)-.15 E(tw)117 304.2 Q 2.5(os)-.1 G
(ections.)-2.5 E F0 2.5(2.3.4. Printing)102 328.2 R(the queue)2.5 E F1
.862(The contents of the queue\(s\) can be printed using the)142 344.4 R
F2(mailq)3.361 E F1 .861(command \(or by specifying)3.361 F(the)117
356.4 Q F0(\255bp)2.5 E F1(\215ag to)2.5 E F2(sendmail)2.5 E F1(\):)A
(mailq)157 372.6 Q 1.673(This will produce a listing of the queue id')
117 388.8 R 1.673(s, the size of the message, the date the message)-.55
F .528(entered the queue, and the sender and recipients.)117 400.8 R
.527(If shared memory support is compiled in, the)5.527 F(\215ag)117
412.8 Q F0(\255bP)3.014 E F1 .514
(can be used to print the number of entries in the queue\(s\), pro)3.014
F .515(vided a process updates)-.15 F .541(the data.)117 424.8 R(Ho)
5.541 E(we)-.25 E -.15(ve)-.25 G 1.341 -.4(r, a).15 H 3.041(se).4 G .541
(xplained earlier)-3.191 F 3.041(,t)-.4 G .54
(he output might be slightly wrong, since access to the)-3.041 F 1.43
(shared memory is not lock)117 436.8 R 3.931(ed. F)-.1 F 1.431(or e)-.15
F 1.431(xample, `)-.15 F(`unkno)-.74 E 1.431(wn number of entries')-.25
F 3.931('m)-.74 G 1.431(ight be sho)-3.931 F(wn.)-.25 E(The internal co\
unters are updated after each queue run to the correct v)117 448.8 Q
(alue ag)-.25 E(ain.)-.05 E F0 2.5(2.3.5. F)102 472.8 R(or)-.25 E
(cing the queue)-.18 E F2(Sendmail)142 489 Q F1 .353
(should run the queue automatically at interv)2.853 F 2.852(als. When)
-.25 F .352(using multiple queues, a)2.852 F .276
(separate process will by def)117 501 R .276
(ault be created to run each of the queues unless the queue run is ini-)
-.1 F .614(tiated by a user with the v)117 513 R .613(erbose \215ag.)
-.15 F .613(The algorithm is to read and sort the queue, and then to)
5.613 F .159(attempt to process all jobs in order)117 525 R 5.159(.W)
-.55 G .159(hen it attempts to run the job,)-5.159 F F2(sendmail)2.659 E
F1 .159(\214rst checks to see)2.659 F(if the job is lock)117 537 Q 2.5
(ed. If)-.1 F(so, it ignores the job)2.5 E(.)-.4 E .338
(There is no attempt to insure that only one queue processor e)142 553.2
R .338(xists at an)-.15 F 2.838(yt)-.15 G .338(ime, since there)-2.838 F
.094(is no guarantee that a job cannot tak)117 565.2 R 2.595(ef)-.1 G
(ore)-2.595 E -.15(ve)-.25 G 2.595(rt).15 G 2.595(op)-2.595 G .095
(rocess \(ho)-2.595 F(we)-.25 E -.15(ve)-.25 G -.4(r,).15 G F2(sendmail)
2.995 E F1 .095(does include heuris-)2.595 F 1.086(tics to try to abort\
 jobs that are taking absurd amounts of time; technically)117 577.2 R
3.586(,t)-.65 G 1.086(his violates RFC)-3.586 F .461(821, b)117 589.2 R
.461(ut is blessed by RFC 1123\).)-.2 F .461
(Due to the locking algorithm, it is impossible for one job to)5.461 F
1.087(freeze the entire queue.)117 601.2 R(Ho)6.086 E(we)-.25 E -.15(ve)
-.25 G 1.886 -.4(r, a).15 H 3.586(nu).4 G(ncooperati)-3.586 E 1.386 -.15
(ve r)-.25 H 1.086(ecipient host or a program recipient that).15 F(ne)
117 613.2 Q -.15(ve)-.25 G 3.35(rr).15 G .85(eturns can accumulate man)
-3.35 F 3.351(yp)-.15 G .851(rocesses in your system.)-3.351 F
(Unfortunately)5.851 E 3.351(,t)-.65 G .851(here is no com-)-3.351 F
(pletely general w)117 625.2 Q(ay to solv)-.1 E 2.5(et)-.15 G(his.)-2.5
E .082(In some cases, you may \214nd that a major host going do)142
641.4 R .082(wn for a couple of days may create)-.25 F 2.924(ap)117
653.4 S(rohibiti)-2.924 E -.15(ve)-.25 G .424(ly lar).15 F .424
(ge queue.)-.18 F .424(This will result in)5.424 F F2(sendmail)2.924 E
F1 .425(spending an inordinate amount of time)2.924 F 1.085
(sorting the queue.)117 665.4 R 1.085(This situation can be \214x)6.085
F 1.084(ed by mo)-.15 F 1.084(ving the queue to a temporary place and)
-.15 F .022(creating a ne)117 677.4 R 2.522(wq)-.25 G 2.522(ueue. The)
-2.522 F .022(old queue can be run later when the of)2.522 F .023
(fending host returns to service.)-.25 F 1.6 -.8(To d)142 693.6 T 2.5
(ot).8 G(his, it is acceptable to mo)-2.5 E .3 -.15(ve t)-.15 H
(he entire queue directory:).15 E 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-18 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF(cd /v)157
96 Q(ar/spool)-.25 E(mv mqueue omqueue; mkdir mqueue; chmod 0700 mqueue)
157 108 Q -1.1(Yo)117 124.2 S 2.709(us)1.1 G .209(hould then kill the e)
-2.709 F .209(xisting daemon \(since it will still be processing in the\
 old queue direc-)-.15 F(tory\) and create a ne)117 136.2 Q 2.5(wd)-.25
G(aemon.)-2.5 E 1.6 -.8(To r)142 152.4 T
(un the old mail queue, issue the follo).8 E(wing command:)-.25 E
(/usr/sbin/sendmail \255C /etc/mail/queue.cf \255q)157 168.6 Q(The)117
184.8 Q F0<ad43>3.312 E F1 .813
(\215ag speci\214es an alternate con\214guration \214le)3.312 F F0
(queue.cf)3.313 E F1 .813(which should refer to the mo)3.313 F -.15(ve)
-.15 G(d).15 E(queue directory)117 196.8 Q 2.5(OQ)157 213 S
(ueueDirectory=/v)-2.5 E(ar/spool/omqueue)-.25 E .649(and the)117 229.2
R F0<ad71>3.149 E F1 .649(\215ag says to just run e)3.149 F -.15(ve)-.25
G .648(ry job in the queue.).15 F -1.1(Yo)5.648 G 3.148(uc)1.1 G .648
(an also specify the mo)-3.148 F -.15(ve)-.15 G 3.148(dq).15 G(ueue)
-3.148 E(directory on the command line)117 241.2 Q
(/usr/sbin/sendmail \255oQ/v)157 257.4 Q(ar/spool/omqueue \255q)-.25 E
-.2(bu)117 273.6 S 3.235(tt).2 G .735(his requires that you do not ha)
-3.235 F 1.036 -.15(ve q)-.2 H .736
(ueue groups in the con\214guration \214le, because those are).15 F
1.071(not subdirectories of the mo)117 285.6 R -.15(ve)-.15 G 3.571(dd)
.15 G(irectory)-3.571 E 6.071(.S)-.65 G 1.071(ee the section about `)
-6.071 F 1.07(`Queue Group Declaration')-.74 F(')-.74 E .011
(for details; you most lik)117 297.6 R .011(ely need a dif)-.1 F .012
(ferent con\214guration \214le to correctly deal with this problem.)-.25
F(Ho)117 309.6 Q(we)-.25 E -.15(ve)-.25 G 1.818 -.4(r, a p).15 H 1.018
(roper con\214guration of queue groups should a).4 F -.2(vo)-.2 G 1.017
(id \214lling up queue directories, so).2 F .367(you shouldn')117 321.6
R 2.867(tr)-.18 G .367(un into this problem.)-2.867 F .367(If you ha)
5.367 F .668 -.15(ve a t)-.2 H(endenc).15 E 2.868(yt)-.15 G -2.1 -.25
(ow a)-2.868 H .368(rd v).25 F -.1(oy)-.2 G .368
(eurism, you can use the).1 F F0<ad76>117 333.6 Q F1(\215ag to w)2.5 E
(atch what is going on.)-.1 E
(When the queue is \214nally emptied, you can remo)142 349.8 Q .3 -.15
(ve t)-.15 H(he directory:).15 E(rmdir /v)157 366 Q(ar/spool/omqueue)
-.25 E F0 2.5(2.3.6. Quarantined)102 394.2 R(Queue Items)2.5 E F1 1.183
(It is possible to "quarantine" mail messages, otherwise kno)142 410.4 R
1.182(wn as en)-.25 F -.15(ve)-.4 G 3.682(lopes. En).15 F -.15(ve)-.4 G
(lopes).15 E .097(\(queue \214les\) are stored b)117 422.4 R .097
(ut not considered for deli)-.2 F -.15(ve)-.25 G .098
(ry or display unless the "quarantine" state of).15 F 1.237(the en)117
434.4 R -.15(ve)-.4 G 1.236(lope is undone or deli).15 F -.15(ve)-.25 G
1.236(ry or display of quarantined items is requested.).15 F
(Quarantined)6.236 E 1.07(messages are tagged by using a dif)117 446.4 R
1.07(ferent name for the queue \214le, 'hf)-.25 F 3.57('i).55 G 1.07
(nstead of 'qf)-3.57 F 1.07(', and by).55 F
(adding the quarantine reason to the queue \214le.)117 458.4 Q(Deli)142
474.6 Q -.15(ve)-.25 G .323
(ry or display of quarantined items can be requested using the).15 F F0
(\255qQ)2.823 E F1 .322(\215ag to)2.823 F/F2 10/Times-Italic@0 SF
(sendmail)2.822 E F1(or)117 486.6 Q F2(mailq)4.277 E F1 6.777(.A)C
(dditionally)-6.777 E 4.277(,m)-.65 G 1.778
(essages already in the queue can be quarantined or unquarantined)-4.277
F(using the ne)117 498.6 Q(w)-.25 E F0<ad51>2.5 E F1
(\215ag to sendmail.)2.5 E -.15(Fo)5 G 2.5(re).15 G(xample,)-2.65 E
(sendmail -Qreason -q[!][I|R|S][matchstring])157 514.8 Q .875(Quarantin\
es the normal queue items matching the criteria speci\214ed by the)117
531 R F0(-q[!][I|R|S][match-)3.374 E(string])117 543 Q F1
(using the reason gi)2.5 E -.15(ve)-.25 G 2.5(no).15 G 2.5(nt)-2.5 G(he)
-2.5 E F0<ad51>2.5 E F1 2.5(\215ag. Lik)2.5 F -.25(ew)-.1 G(ise,).25 E
(sendmail -qQ -Q[reason] -q[!][I|R|S|Q][matchstring])157 559.2 Q 1.164(\
Change the quarantine reason for the quarantined items matching the cri\
teria speci\214ed by the)117 575.4 R F0(-q[!][I|R|S|Q][matchstring])117
587.4 Q F1(using the reason gi)2.5 E -.15(ve)-.25 G 2.5(no).15 G 2.5(nt)
-2.5 G(he)-2.5 E F0<ad51>2.5 E F1 2.5(\215ag. If)2.5 F
(there is no reason,)2.5 E .757(unquarantine the matching items and mak)
119.5 599.4 R 3.257(et)-.1 G .757(hem normal queue items.)-3.257 F .757
(Note that the)5.757 F F0(\255qQ)3.257 E F1(\215ag)3.257 E(tells sendma\
il to operate on quarantined items instead of normal items.)117 611.4 Q
F0 2.5(2.4. Disk)87 635.4 R(Based Connection Inf)2.5 E(ormation)-.25 E
F2(Sendmail)127 651.6 Q F1 .596(stores a lar)3.096 F .597
(ge amount of information about each remote system it has connected to)
-.18 F .003(in memory)102 663.6 R 2.503(.I)-.65 G 2.503(ti)-2.503 G
2.503(sp)-2.503 G .002(ossible to preserv)-2.503 F 2.502(es)-.15 G .002
(ome of this information on disk as well, by using the)-2.502 F F0
(HostSta-)2.502 E(tusDir)102 675.6 Q(ectory)-.18 E F1 .229
(option, so that it may be shared between se)2.729 F -.15(ve)-.25 G .229
(ral in).15 F -.2(vo)-.4 G .23(cations of).2 F F2(sendmail)2.73 E F1
5.23(.T)C .23(his allo)-5.23 F(ws)-.25 E .831(mail to be queued immedia\
tely or skipped during a queue run if there has been a recent f)102
687.6 R .831(ailure in)-.1 F .371(connecting to a remote machine.)102
699.6 R .371
(Note: information about a remote system is stored in a \214le whose)
5.371 F .694(pathname consists of the components of the hostname in re)
102 711.6 R -.15(ve)-.25 G .693(rse order).15 F 5.693(.F)-.55 G .693
(or e)-5.843 F .693(xample, the informa-)-.15 F 1.102(tion for)102 723.6
R F0(host.example.com)3.602 E F1 1.102(is stored in)3.602 F F0
(com./example./host)3.602 E F1 6.103(.F)C 1.103(or top-le)-6.253 F -.15
(ve)-.25 G 3.603(ld).15 G 1.103(omains lik)-3.603 F(e)-.1 E F0(com)3.603
E F1(this)3.603 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-19)195.86 E/F1 10/Times-Roman@0 SF 1.382(can create a lar)102 96
R 1.381(ge number of subdirectories which on some \214lesystems can e)
-.18 F 1.381(xhaust some limits.)-.15 F(Moreo)102 108 Q -.15(ve)-.15 G
2.432 -.4(r, t).15 H 1.632(he performance of lookups in directory with \
thousands of entries can be f).4 F 1.633(airly slo)-.1 F(w)-.25 E
(depending on the \214lesystem implementation.)102 120 Q 1.439
(Additionally enabling)127 136.2 R F0(SingleThr)3.939 E(eadDeli)-.18 E
-.1(ve)-.1 G(ry).1 E F1 1.439(has the added ef)3.939 F 1.439
(fect of single-threading mail)-.25 F(deli)102 148.2 Q -.15(ve)-.25 G
1.61(ry to a destination.).15 F 1.611
(This can be quite helpful if the remote machine is running an SMTP)6.61
F(serv)102 160.2 Q 1.011(er that is easily o)-.15 F -.15(ve)-.15 G 1.011
(rloaded or cannot accept more than a single connection at a time, b).15
F 1.01(ut can)-.2 F .458
(cause some messages to be punted to a future queue run.)102 172.2 R
.458(It also applies to)5.458 F/F2 10/Times-Italic@0 SF(all)2.958 E F1
.458(hosts, so setting this)2.958 F .282(because you ha)102 184.2 R .582
-.15(ve o)-.2 H .281(ne machine on site that runs some softw).15 F .281
(are that is easily o)-.1 F -.15(ve)-.15 G .281(rrun can cause mail).15
F .315(to other hosts to be slo)102 196.2 R .315(wed do)-.25 F 2.815
(wn. If)-.25 F .315(this option is set, you probably w)2.815 F .315
(ant to set the)-.1 F F0(MinQueueAge)2.815 E F1 .872
(option as well and run the queue f)102 208.2 R .871
(airly frequently; this w)-.1 F .871
(ay jobs that are skipped because another)-.1 F F2(sendmail)102 220.2 Q
F1 .363(is talking to the same host will be tried ag)2.863 F .364
(ain quickly rather than being delayed for a long)-.05 F(time.)102 232.2
Q 1.099
(The disk based host information is stored in a subdirectory of the)127
248.4 R F0(mqueue)3.598 E F1 1.098(directory called)3.598 F F0
(.hoststat)102 262.4 Q/F3 7/Times-Roman@0 SF(7)-4 I F1 6.749(.R)4 K(emo)
-6.749 E 1.749(ving this directory and its subdirectories has an ef)-.15
F 1.75(fect similar to the)-.25 F F2(pur)4.25 E -.1(ge)-.37 G(stat).1 E
F1 1.215(command and is completely safe.)102 274.4 R(Ho)6.215 E(we)-.25
E -.15(ve)-.25 G -.4(r,).15 G F2(pur)4.115 E -.1(ge)-.37 G(stat).1 E F1
1.215(only remo)3.715 F -.15(ve)-.15 G 3.715(se).15 G 1.215(xpired \(T)
-3.865 F(imeout.hoststatus\))-.35 E 3.539(data. The)102 286.4 R 1.039
(information in these directories can be perused with the)3.539 F F2
(hoststat)3.54 E F1 1.04(command, which will)3.54 F .065(indicate the h\
ost name, the last access, and the status of that access.)102 298.4 R
.064(An asterisk in the left most col-)5.065 F(umn indicates that a)102
310.4 Q F2(sendmail)2.5 E F1(process currently has the host lock)2.5 E
(ed for mail deli)-.1 E -.15(ve)-.25 G(ry).15 E(.)-.65 E .53
(The disk based connection information is treated the same w)127 326.6 R
.53(ay as memory based connection)-.1 F .536
(information for the purpose of timeouts.)102 338.6 R .536(By def)5.536
F .536(ault, information about host f)-.1 F .536(ailures is v)-.1 F .536
(alid for 30)-.25 F 2.5(minutes. This)102 350.6 R
(can be adjusted with the)2.5 E F0 -.18(Ti)2.5 G(meout.hoststatus).18 E
F1(option.)2.5 E 1.51
(The connection information stored on disk may be e)127 366.8 R 1.51
(xpired at an)-.15 F 4.01(yt)-.15 G 1.51(ime with the)-4.01 F F2(pur)
4.01 E -.1(ge)-.37 G(stat).1 E F1 2.093(command or by in)102 378.8 R -.2
(vo)-.4 G 2.092(king sendmail with the).2 F F0(\255bH)4.592 E F1 4.592
(switch. The)4.592 F 2.092(connection information may be)4.592 F(vie)102
390.8 Q(wed with the)-.25 E F2(hoststat)2.5 E F1(command or by in)2.5 E
-.2(vo)-.4 G(king sendmail with the).2 E F0(\255bh)2.5 E F1(switch.)2.5
E F0 2.5(2.5. The)87 414.8 R(Ser)2.5 E(vice Switch)-.1 E F1 1.416(The i\
mplementation of certain system services such as host and user name loo\
kup is con-)127 431 R 1.322(trolled by the service switch.)102 443 R
1.321(If the host operating system supports such a switch, and sendmail)
6.322 F(kno)102 455 Q .383(ws about it,)-.25 F F2(sendmail)2.883 E F1
.383(will use the nati)2.883 F .683 -.15(ve ve)-.25 H 2.883
(rsion. Ultrix,).15 F .384(Solaris, and DEC OSF/1 are e)2.883 F(xamples)
-.15 E(of such systems)102 469 Q F3(8)-4 I F1(.)4 I .88(If the underlyi\
ng operating system does not support a service switch \(e.g., SunOS 4.X\
, HP-)127 485.2 R .212(UX, BSD\) then)102 497.2 R F2(sendmail)2.712 E F1
.212(will pro)2.712 F .212(vide a stub implementation.)-.15 F(The)5.211
E F0(Ser)2.711 E(viceSwitchFile)-.1 E F1 .211(option points)2.711 F .937
(to the name of a \214le that has the service de\214nitions.)102 509.2 R
.937(Each line has the name of a service and the)5.937 F
(possible implementations of that service.)102 521.2 Q -.15(Fo)5 G 2.5
(re).15 G(xample, the \214le:)-2.65 E 12.94(hosts dns)142 537.4 R
(\214les nis)2.5 E 6.84(aliases \214les)142 549.4 R(nis)2.5 E .329
(will ask)102 565.6 R F2(sendmail)2.829 E F1 .328
(to look for hosts in the Domain Name System \214rst.)2.829 F .328
(If the requested host name is)5.328 F .379
(not found, it tries local \214les, and if that f)102 577.6 R .379
(ails it tries NIS.)-.1 F(Similarly)5.379 E 2.879(,w)-.65 G .379
(hen looking for aliases it will)-2.879 F
(try the local \214les \214rst follo)102 589.6 Q(wed by NIS.)-.25 E .494
(Notice: since)127 605.8 R F2(sendmail)2.994 E F1 .493
(must access MX records for correct operation, it will use DNS if it is)
2.993 F(con\214gured in the)102 617.8 Q F0(Ser)2.5 E(viceSwitchFile)-.1
E F1 2.5(\214le. Hence)2.5 F(an entry lik)2.5 E(e)-.1 E 12.94
(hosts \214les)142 634 R(dns)2.5 E(will not a)102 650.2 Q -.2(vo)-.2 G
(id DNS lookups e).2 E -.15(ve)-.25 G 2.5(ni).15 G 2.5(fah)-2.5 G
(ost can be found in /etc/hosts.)-2.5 E .32 LW 76 659.8 72 659.8 DL 80
659.8 76 659.8 DL 84 659.8 80 659.8 DL 88 659.8 84 659.8 DL 92 659.8 88
659.8 DL 96 659.8 92 659.8 DL 100 659.8 96 659.8 DL 104 659.8 100 659.8
DL 108 659.8 104 659.8 DL 112 659.8 108 659.8 DL 116 659.8 112 659.8 DL
120 659.8 116 659.8 DL 124 659.8 120 659.8 DL 128 659.8 124 659.8 DL 132
659.8 128 659.8 DL 136 659.8 132 659.8 DL 140 659.8 136 659.8 DL 144
659.8 140 659.8 DL 148 659.8 144 659.8 DL 152 659.8 148 659.8 DL 156
659.8 152 659.8 DL 160 659.8 156 659.8 DL 164 659.8 160 659.8 DL 168
659.8 164 659.8 DL 172 659.8 168 659.8 DL 176 659.8 172 659.8 DL 180
659.8 176 659.8 DL 184 659.8 180 659.8 DL 188 659.8 184 659.8 DL 192
659.8 188 659.8 DL 196 659.8 192 659.8 DL 200 659.8 196 659.8 DL 204
659.8 200 659.8 DL 208 659.8 204 659.8 DL 212 659.8 208 659.8 DL 216
659.8 212 659.8 DL/F4 5/Times-Roman@0 SF(7)93.6 670.2 Q/F5 8
/Times-Roman@0 SF(This is the usual v)3.2 I(alue of the)-.2 E/F6 8
/Times-Bold@0 SF(HostStatusDir)2 E(ectory)-.144 E F5
(option; it can, of course, go an)2 E(ywhere you lik)-.12 E 2(ei)-.08 G
2(ny)-2 G(our \214lesystem.)-2 E F4(8)93.6 683.8 Q F5 .108
(HP-UX 10 has service switch support, b)3.2 J .108
(ut since the APIs are apparently not a)-.16 F -.2(va)-.16 G .107
(ilable in the libraries).2 F/F7 8/Times-Italic@0 SF(sendmail)2.107 E F5
.107(does not use the)2.107 F(nati)72 696.6 Q .24 -.12(ve s)-.2 H
(ervice switch in this release.).12 E 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-20 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF 1.269
(Service switches are not completely inte)127 96 R 3.769(grated. F)-.15
F 1.269(or e)-.15 F 1.269(xample, despite the f)-.15 F 1.27
(act that the host)-.1 F .294(entry listed in the abo)102 108 R .594
-.15(ve ex)-.15 H .293
(ample speci\214es to look in NIS, on SunOS this w).15 F(on')-.1 E 2.793
(th)-.18 G .293(appen because the)-2.793 F(system implementation of)102
120 Q/F2 10/Times-Italic@0 SF -.1(ge)2.5 G(thostbyname).1 E F1
(\(3\) doesn')1.666 E 2.5(tu)-.18 G(nderstand this.)-2.5 E F0 2.5
(2.6. The)87 144 R(Alias Database)2.5 E F1 2.074(After recipient addres\
ses are read from the SMTP connection or command line the)127 160.2 R
4.574(ya)-.15 G(re)-4.574 E .6(parsed by ruleset 0, which must resolv)
102 172.2 R 3.1(et)-.15 G 3.099(oa{)-3.1 G F2(mailer)-3.099 E F1(,)A F2
(host)3.099 E F1(,)A F2(addr)3.099 E(ess)-.37 E F1 3.099(}t)C 3.099
(riple. If)-3.099 F .599(the \215ags selected by)3.099 F(the)102 184.2 Q
F2(mailer)3.099 E F1 .599(include the)3.099 F F0(A)3.099 E F1 .599
(\(aliasable\) \215ag, the)3.099 F F2(addr)3.099 E(ess)-.37 E F1 .6
(part of the triple is look)3.099 F .6(ed up as the k)-.1 F .9 -.15
(ey \()-.1 H(i.e.,).15 E 1.046
(the left hand side\) in the alias database.)102 196.2 R 1.045
(If there is a match, the address is deleted from the send)6.045 F .776
(queue and all addresses on the right hand side of the alias are added \
in place of the alias that w)102 208.2 R(as)-.1 E 2.683(found. This)102
220.2 R .183(is a recursi)2.683 F .483 -.15(ve o)-.25 H .183(peration, \
so aliases found in the right hand side of the alias are similarly).15 F
-.15(ex)102 232.2 S(panded.).15 E 3.718(The alias database e)127 248.4 R
3.718(xists in tw)-.15 F 6.218(of)-.1 G 6.218(orms. One)-6.218 F 3.718
(is a te)6.218 F 3.718(xt form, maintained in the \214le)-.15 F F2
(/etc/mail/aliases.)102 260.4 Q F1(The aliases are of the form)5 E
(name: name1, name2, ...)142 276.6 Q
(Only local names may be aliased; e.g.,)102 292.8 Q(eric@prep.ai.MIT)142
309 Q(.EDU: eric@CS.Berk)-.74 E(ele)-.1 E -.65(y.)-.15 G(EDU).65 E 1.088
(will not ha)102 327.2 R 1.388 -.15(ve t)-.2 H 1.088(he desired ef).15 F
1.088(fect \(e)-.25 F 1.088(xcept on prep.ai.MIT)-.15 F 1.088
(.EDU, and the)-.74 F 3.588(yp)-.15 G 1.088(robably don')-3.588 F 3.587
(tw)-.18 G 1.087(ant me\))-3.687 F/F3 7/Times-Roman@0 SF(9)-4 I F1(.)4 I
.986(Aliases may be continued by starting an)102 339.2 R 3.486(yc)-.15 G
.986(ontinuation lines with a space or a tab or by putting a)-3.486 F
.776(backslash directly before the ne)102 351.2 R 3.276(wline. Blank)
-.25 F .776(lines and lines be)3.276 F .776
(ginning with a sharp sign \(\231#\232\) are)-.15 F(comments.)102 363.2
Q .65(The second form is processed by the)127 381.4 R F2(ndbm)3.15 E F1
(\(3\))1.666 E F3(10)-4 I F1 .65(or the Berk)3.15 4 N(ele)-.1 E 3.15(yD)
-.15 G 3.15(Bl)-3.15 G(ibrary)-3.15 E 5.651(.T)-.65 G .651
(his form is in)-5.651 F .794(the \214le)102 393.4 R F2
(/etc/mail/aliases.db)3.294 E F1 .794(\(if using NEWDB\) or)3.294 F F2
(/etc/mail/aliases.dir)3.294 E F1(and)3.294 E F2(/etc/mail/aliases.pa)
3.294 E(g)-.1 E F1(\(if)3.294 E 1.126(using NDBM\).)102 405.4 R 1.126
(This is the form that)6.126 F F2(sendmail)3.627 E F1 1.127
(actually uses to resolv)3.627 F 3.627(ea)-.15 G 3.627(liases. This)
-3.627 F 1.127(technique is)3.627 F(used to impro)102 417.4 Q .3 -.15
(ve p)-.15 H(erformance.).15 E
(The control of search order is actually set by the service switch.)127
433.6 Q(Essentially)5 E 2.5(,t)-.65 G(he entry)-2.5 E 2.5(OA)142 449.8 S
(liasFile=switch:aliases)-2.5 E .927(is al)102 466 R -.1(wa)-.1 G .927(\
ys added as the \214rst alias entry; also, the \214rst alias \214le nam\
e without a class \(e.g., without).1 F .268(\231nis:\232 on the front\)\
 will be used as the name of the \214le for a `)102 478 R(`\214les')-.74
E 2.769('e)-.74 G .269(ntry in the aliases switch.)-2.769 F -.15(Fo)
5.269 G(r).15 E -.15(ex)102 490 S
(ample, if the con\214guration \214le contains).15 E 2.5(OA)142 506.2 S
(liasFile=/etc/mail/aliases)-2.5 E(and the service switch contains)102
522.4 Q 6.84(aliases nis)142 538.6 R(\214les nisplus)2.5 E 1.164(then a\
liases will \214rst be searched in the NIS database, then in /etc/mail/\
aliases, then in the NIS+)102 554.8 R(database.)102 566.8 Q -1.1(Yo)127
583 S 2.5(uc)1.1 G(an also use)-2.5 E/F4 9/Times-Roman@0 SF(NIS)2.5 E F1
(-based alias \214les.)A -.15(Fo)5 G 2.5(re).15 G
(xample, the speci\214cation:)-2.65 E 2.5(OA)142 599.2 S
(liasFile=/etc/mail/aliases)-2.5 E 2.5(OA)142 611.2 S
(liasFile=nis:mail.aliases@my)-2.5 E(.nis.domain)-.65 E .143(will \214r\
st search the /etc/mail/aliases \214le and then the map named \231mail.\
aliases\232 in \231my)102 627.4 R(.nis.domain\232.)-.65 E -.8(Wa)102
639.4 S .59(rning: if you b).8 F .59(uild your o)-.2 F(wn)-.25 E F4(NIS)
3.09 E F1 .589(-based alias \214les, be sure to pro)B .589(vide the)-.15
F F0<ad6c>3.089 E F1 .589(\215ag to)3.089 F F2(mak)3.089 E(edbm)-.1 E F1
(\(8\))A .159(to map upper case letters in the k)102 651.4 R -.15(ey)-.1
G 2.659(st).15 G 2.659(ol)-2.659 G -.25(ow)-2.659 G .159
(er case; otherwise, aliases with upper case letters in their).25 F
(names w)102 663.4 Q(on')-.1 E 2.5(tm)-.18 G(atch incoming addresses.)
-2.5 E .32 LW 76 673 72 673 DL 80 673 76 673 DL 84 673 80 673 DL 88 673
84 673 DL 92 673 88 673 DL 96 673 92 673 DL 100 673 96 673 DL 104 673
100 673 DL 108 673 104 673 DL 112 673 108 673 DL 116 673 112 673 DL 120
673 116 673 DL 124 673 120 673 DL 128 673 124 673 DL 132 673 128 673 DL
136 673 132 673 DL 140 673 136 673 DL 144 673 140 673 DL 148 673 144 673
DL 152 673 148 673 DL 156 673 152 673 DL 160 673 156 673 DL 164 673 160
673 DL 168 673 164 673 DL 172 673 168 673 DL 176 673 172 673 DL 180 673
176 673 DL 184 673 180 673 DL 188 673 184 673 DL 192 673 188 673 DL 196
673 192 673 DL 200 673 196 673 DL 204 673 200 673 DL 208 673 204 673 DL
212 673 208 673 DL 216 673 212 673 DL/F5 5/Times-Roman@0 SF(9)93.6 683.4
Q/F6 8/Times-Roman@0 SF(Actually)3.2 I 2(,a)-.52 G .24 -.12(ny m)-2 H
(ailer that has the `).12 E 1.776 -.888(A' m)-.64 H(ailer \215ag set wi\
ll permit aliasing; this is normally limited to the local mailer).888 E
(.)-.44 E F5(10)93.6 697 Q F6(The)3.2 I/F7 8/Times-Italic@0 SF(gdbm)2 E
F6(package does not w)2 E(ork.)-.08 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-21)195.86 E/F1 10/Times-Roman@0 SF
(Additional \215ags can be added after the colon e)127 96 Q(xactly lik)
-.15 E 2.5(ea)-.1 G F0(K)A F1(line \212 for e)2.5 E(xample:)-.15 E 2.5
(OA)142 112.2 S(liasFile=nis:\255N mail.aliases@my)-2.5 E(.nis.domain)
-.65 E(will search the appropriate NIS map and al)102 128.4 Q -.1(wa)-.1
G(ys include null bytes in the k).1 E -.15(ey)-.1 G 5(.A)-.5 G(lso:)-5 E
2.5(OA)142 144.6 S(liasFile=nis:\255f mail.aliases@my)-2.5 E
(.nis.domain)-.65 E(will pre)102 160.8 Q -.15(ve)-.25 G
(nt sendmail from do).15 E(wncasing the k)-.25 E .3 -.15(ey b)-.1 H
(efore the alias lookup.).15 E F0 2.5(2.6.1. Reb)102 184.8 R
(uilding the alias database)-.2 E F1(The)142 201 Q/F2 10/Times-Italic@0
SF(hash)3.08 E F1(or)3.08 E F2(dbm)3.08 E F1 -.15(ve)3.08 G .579
(rsion of the database may be reb).15 F .579(uilt e)-.2 F .579
(xplicitly by e)-.15 F -.15(xe)-.15 G .579(cuting the com-).15 F(mand)
117 213 Q(ne)157 229.2 Q -.1(wa)-.25 G(liases).1 E(This is equi)117
245.4 Q -.25(va)-.25 G(lent to gi).25 E(ving)-.25 E F2(sendmail)2.5 E F1
(the)2.5 E F0(\255bi)2.5 E F1(\215ag:)2.5 E(/usr/sbin/sendmail \255bi)
157 261.6 Q 1.77(If you ha)142 282 R 2.07 -.15(ve m)-.2 H 1.77
(ultiple aliases databases speci\214ed, the).15 F F0(\255bi)4.27 E F1
1.77(\215ag reb)4.27 F 1.77(uilds all the database)-.2 F
(types it understands \(for e)117 294 Q(xample, it can reb)-.15 E
(uild NDBM databases b)-.2 E(ut not NIS databases\).)-.2 E F0 2.5
(2.6.2. P)102 318 R(otential pr)-.2 E(oblems)-.18 E F1 1.131
(There are a number of problems that can occur with the alias database.)
142 334.2 R(The)6.13 E 3.63(ya)-.15 G 1.13(ll result)-3.63 F 1.103
(from a)117 346.2 R F2(sendmail)3.603 E F1 1.103
(process accessing the DBM v)3.603 F 1.103
(ersion while it is only partially b)-.15 F 3.604(uilt. This)-.2 F(can)
3.604 E 1.249(happen under tw)117 358.2 R 3.749(oc)-.1 G 1.248(ircumsta\
nces: One process accesses the database while another process is)-3.749
F(reb)117 370.2 Q .518(uilding it, or the process reb)-.2 F .518
(uilding the database dies \(due to being killed or a system crash\))-.2
F(before completing the reb)117 382.2 Q(uild.)-.2 E .401
(Sendmail has three techniques to try to relie)142 398.4 R .701 -.15
(ve t)-.25 H .401(hese problems.).15 F .4(First, it ignores interrupts)
5.401 F .045(while reb)117 410.4 R .045(uilding the database; this a)-.2
F -.2(vo)-.2 G .045(ids the problem of someone aborting the process lea)
.2 F .045(ving a)-.2 F .177(partially reb)117 422.4 R .177
(uilt database.)-.2 F .177
(Second, it locks the database source \214le during the reb)5.177 F .176
(uild \212 b)-.2 F .176(ut that)-.2 F .812(may not w)117 434.4 R .812
(ork o)-.1 F -.15(ve)-.15 G 3.312(rN).15 G .812
(FS or if the \214le is unwritable.)-3.312 F .813
(Third, at the end of the reb)5.813 F .813(uild it adds an)-.2 F
(alias of the form)117 446.4 Q(@: @)157 462.6 Q .336
(\(which is not normally le)117 478.8 R -.05(ga)-.15 G 2.836
(l\). Before).05 F F2(sendmail)2.836 E F1 .336
(will access the database, it checks to insure that)2.836 F
(this entry e)117 492.8 Q(xists)-.15 E/F3 7/Times-Roman@0 SF(11)-4 I F1
(.)4 I F0 2.5(2.6.3. List)102 516.8 R -.1(ow)2.5 G(ners).1 E F1 .4
(If an error occurs on sending to a certain address, say \231)142 533 R
F2(x)A F1<9a2c>A F2(sendmail)2.901 E F1 .401(will look for an alias)
2.901 F .418(of the form \231o)117 545 R(wner)-.25 E(-)-.2 E F2(x)A F1
2.918<9a74>C 2.918(or)-2.918 G(ecei)-2.918 E .718 -.15(ve t)-.25 H .418
(he errors.).15 F .417
(This is typically useful for a mailing list where the)5.418 F 1.116
(submitter of the list has no control o)117 557 R -.15(ve)-.15 G 3.617
(rt).15 G 1.117
(he maintenance of the list itself; in this case the list)-3.617 F
(maintainer w)117 569 Q(ould be the o)-.1 E(wner of the list.)-.25 E
-.15(Fo)5 G 2.5(re).15 G(xample:)-2.65 E
(unix-wizards: eric@ucbarpa, wnj@monet, nosuchuser)157 585.2 Q(,)-.4 E
(sam@matisse)193 597.2 Q -.25(ow)157 609.2 S(ner).25 E
(-unix-wizards: unix-wizards-request)-.2 E
(unix-wizards-request: eric@ucbarpa)157 621.2 Q -.1(wo)117 637.4 S .689
(uld cause \231eric@ucbarpa\232 to get the error that will occur when s\
omeone sends to unix-wiz-).1 F
(ards due to the inclusion of \231nosuchuser\232 on the list.)117 649.4
Q .958(List o)142 665.6 R .958(wners also cause the en)-.25 F -.15(ve)
-.4 G .959(lope sender address to be modi\214ed.).15 F .959
(The contents of the)5.959 F -.25(ow)117 677.6 S .429
(ner alias are used if the).25 F 2.929(yp)-.15 G .429
(oint to a single user)-2.929 F 2.928(,o)-.4 G .428
(therwise the name of the alias itself is used.)-2.928 F .32 LW 76 687.2
72 687.2 DL 80 687.2 76 687.2 DL 84 687.2 80 687.2 DL 88 687.2 84 687.2
DL 92 687.2 88 687.2 DL 96 687.2 92 687.2 DL 100 687.2 96 687.2 DL 104
687.2 100 687.2 DL 108 687.2 104 687.2 DL 112 687.2 108 687.2 DL 116
687.2 112 687.2 DL 120 687.2 116 687.2 DL 124 687.2 120 687.2 DL 128
687.2 124 687.2 DL 132 687.2 128 687.2 DL 136 687.2 132 687.2 DL 140
687.2 136 687.2 DL 144 687.2 140 687.2 DL 148 687.2 144 687.2 DL 152
687.2 148 687.2 DL 156 687.2 152 687.2 DL 160 687.2 156 687.2 DL 164
687.2 160 687.2 DL 168 687.2 164 687.2 DL 172 687.2 168 687.2 DL 176
687.2 172 687.2 DL 180 687.2 176 687.2 DL 184 687.2 180 687.2 DL 188
687.2 184 687.2 DL 192 687.2 188 687.2 DL 196 687.2 192 687.2 DL 200
687.2 196 687.2 DL 204 687.2 200 687.2 DL 208 687.2 204 687.2 DL 212
687.2 208 687.2 DL 216 687.2 212 687.2 DL/F4 5/Times-Roman@0 SF(11)93.6
697.6 Q/F5 8/Times-Roman@0 SF(The)3.2 I/F6 8/Times-Bold@0 SF(AliasW)2 E
(ait)-.52 E F5
(option is required in the con\214guration for this action to occur)2 E
4(.T)-.44 G(his should normally be speci\214ed.)-4 E 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-22 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF -.15(Fo)
117 96 S 3.454(rt).15 G .954(his reason, and to obe)-3.454 F 3.454(yI)
-.15 G .954(nternet con)-3.454 F -.15(ve)-.4 G .954(ntions, the \231o)
.15 F(wner)-.25 E .955(-\232 address normally points at the)-.2 F .504(\
\231-request\232 address; this causes messages to go out with the typic\
al Internet con)117 108 R -.15(ve)-.4 G .503(ntion of using).15 F -.74
(``)117 120 S/F2 10/Times-Italic@0 SF(list).74 E F1(-request')A 2.5('a)
-.74 G 2.5(st)-2.5 G(he return address.)-2.5 E F0 2.5(2.7. User)87 144 R
(Inf)2.5 E(ormation Database)-.25 E F1 3.635(This option is deprecated,\
 use virtusertable and genericstable instead as e)127 160.2 R 3.636
(xplained in)-.15 F F2(cf/README)102 172.2 Q F1 5.06(.I)C 2.56(fy)-5.06
G .06(ou ha)-2.56 F .36 -.15(ve a ve)-.2 H .06(rsion of).15 F F2
(sendmail)2.56 E F1 .06
(with the user information database compiled in, and)2.56 F .764(you ha)
102 184.2 R 1.064 -.15(ve s)-.2 H .764
(peci\214ed one or more databases using the).15 F F0(U)3.264 E F1 .764
(option, the databases will be searched for a)3.264 F F2(user)102 196.2
Q F1(:maildrop entry)A 5(.I)-.65 G 2.5(ff)-5 G
(ound, the mail will be sent to the speci\214ed address.)-2.5 E F0 2.5
(2.8. P)87 220.2 R(er)-.2 E(-User F)-.37 E(orwarding \(.f)-.25 E
(orward Files\))-.25 E F1 .121(As an alternati)127 236.4 R .421 -.15
(ve t)-.25 H 2.621(ot).15 G .121(he alias database, an)-2.621 F 2.621
(yu)-.15 G .12(ser may put a \214le with the name \231.forw)-2.621 F .12
(ard\232 in his)-.1 F .205(or her home directory)102 248.4 R 5.205(.I)
-.65 G 2.705(ft)-5.205 G .205(his \214le e)-2.705 F(xists,)-.15 E F2
(sendmail)2.705 E F1 .205
(redirects mail for that user to the list of addresses)2.705 F .665
(listed in the .forw)102 260.4 R .665(ard \214le.)-.1 F .665
(Note that aliases are fully e)5.665 F .664(xpanded before forw)-.15 F
.664(ard \214les are referenced.)-.1 F -.15(Fo)102 272.4 S 2.5(re).15 G
(xample, if the home directory for user \231mckusick\232 has a .forw)
-2.65 E(ard \214le with contents:)-.1 E(mckusick@ernie)142 288.6 Q
(kirk@calder)142 300.6 Q(then an)102 316.8 Q 2.5(ym)-.15 G(ail arri)-2.5
E(ving for \231mckusick\232 will be redirected to the speci\214ed accou\
nts.)-.25 E(Actually)127 333 Q 3.374(,t)-.65 G .874(he con\214guration \
\214le de\214nes a sequence of \214lenames to check.)-3.374 F .875
(By def)5.875 F .875(ault, this is)-.1 F .517(the user')102 345 R 3.017
(s.)-.55 G(forw)-3.017 E .517(ard \214le, b)-.1 F .517
(ut can be de\214ned to be more generally using the)-.2 F F0 -.25(Fo)
3.017 G(rwardP).25 E(ath)-.1 E F1 3.016(option. If)3.016 F .182
(you change this, you will ha)102 357 R .482 -.15(ve t)-.2 H 2.682(oi)
.15 G .182(nform your user base of the change; .forw)-2.682 F .183
(ard is pretty well incor)-.1 F(-)-.2 E(porated into the collecti)102
369 Q .3 -.15(ve s)-.25 H(ubconscious.).15 E F0 2.5(2.9. Special)87 393
R(Header Lines)2.5 E F1(Se)127 409.2 Q -.15(ve)-.25 G 1.898
(ral header lines ha).15 F 2.197 -.15(ve s)-.2 H 1.897
(pecial interpretations de\214ned by the con\214guration \214le.).15 F
(Others)6.897 E(ha)102 421.2 Q 1.205 -.15(ve i)-.2 H .905
(nterpretations b).15 F .905(uilt into)-.2 F F2(sendmail)3.405 E F1 .906
(that cannot be changed without changing the code.)3.405 F(These)5.906 E
-.2(bu)102 433.2 S(ilt-ins are described here.).2 E F0 2.5(2.9.1. Err)
102 457.2 R(ors-T)-.18 E(o:)-.92 E F1 .22(If errors occur an)142 473.4 R
.22(ywhere during processing, this header will cause error messages to \
go to)-.15 F(the listed addresses.)117 485.4 Q
(This is intended for mailing lists.)5 E .384(The Errors-T)142 501.6 R
.384(o: header w)-.8 F .384
(as created in the bad old days when UUCP didn')-.1 F 2.885(tu)-.18 G
.385(nderstand the)-2.885 F .89(distinction between an en)117 513.6 R
-.15(ve)-.4 G .89(lope and a header; this w).15 F .889(as a hack to pro)
-.1 F .889(vide what should no)-.15 F 3.389(wb)-.25 G(e)-3.389 E .809
(passed as the en)117 525.6 R -.15(ve)-.4 G .809(lope sender address.)
.15 F .809(It should go a)5.809 F -.1(wa)-.15 G 4.609 -.65(y. I).1 H
3.31(ti).65 G 3.31(so)-3.31 G .81(nly used if the)-3.31 F F0(UseErr)3.31
E(orsT)-.18 E(o)-.92 E F1(option is set.)117 537.6 Q(The Errors-T)142
553.8 Q(o: header is of)-.8 E(\214cially deprecated and will go a)-.25 E
-.1(wa)-.15 G 2.5(yi).1 G 2.5(naf)-2.5 G(uture release.)-2.5 E F0 2.5
(2.9.2. A)102 577.8 R(ppar)-.25 E(ently-T)-.18 E(o:)-.92 E F1 .045
(RFC 822 requires at least one recipient \214eld \(T)142 594 R .045
(o:, Cc:, or Bcc: line\) in e)-.8 F -.15(ve)-.25 G .044(ry message.).15
F .044(If a)5.044 F .562
(message comes in with no recipients listed in the message then)117 606
R F2(sendmail)3.062 E F1 .562(will adjust the header)3.062 F .085
(based on the \231NoRecipientAction\232 option.)117 618 R .085
(One of the possible actions is to add an \231)5.085 F(Apparently-)-.8 E
-.8(To)117 630 S(:\232 header line for an).8 E 2.5(yr)-.15 G
(ecipients it is a)-2.5 E -.1(wa)-.15 G(re of.).1 E .91
(The Apparently-T)142 646.2 R .911
(o: header is non-standard and is both deprecated and strongly discour)
-.8 F(-)-.2 E(aged.)117 658.2 Q F0 2.5(2.9.3. Pr)102 682.2 R(ecedence)
-.18 E F1 .425(The Precedence: header can be used as a crude control of\
 message priority)142 698.4 R 5.424(.I)-.65 G 2.924(tt)-5.424 G .424
(weaks the)-2.924 F .181(sort order in the queue and can be con\214gure\
d to change the message timeout v)117 710.4 R 2.682(alues. The)-.25 F
(prece-)2.682 E .235(dence of a message also controls ho)117 722.4 R
2.734(wd)-.25 G(eli)-2.734 E -.15(ve)-.25 G .234
(ry status noti\214cations \(DSNs\) are processed for that).15 F 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-23)195.86 E/F1 10/Times-Roman@0 SF(message.)117 96 Q F0 2.5
(2.10. IDENT)87 120 R(Pr)2.5 E(otocol Support)-.18 E/F2 10
/Times-Italic@0 SF(Sendmail)127 136.2 Q F1 .745
(supports the IDENT protocol as de\214ned in RFC 1413.)3.245 F .746
(Note that the RFC states a)5.745 F 1.361(client should w)102 148.2 R
1.361(ait at least 30 seconds for a response.)-.1 F 1.36(The def)6.361 F
1.36(ault T)-.1 F 1.36(imeout.ident is 5 seconds as)-.35 F(man)102 160.2
Q 3.024(ys)-.15 G .524(ites ha)-3.024 F .824 -.15(ve a)-.2 H .524
(dopted the practice of dropping IDENT queries.).15 F .524
(This has lead to delays process-)5.524 F .452(ing mail.)102 172.2 R
.452(Although this enhances identi\214cation of the author of an email \
message by doing a `)5.452 F(`call)-.74 E(back')102 184.2 Q 3.627('t)
-.74 G 3.627(ot)-3.627 G 1.127(he originating system to include the o)
-3.627 F 1.128(wner of a particular TCP connection in the audit)-.25 F
.164(trail it is in no sense perfect; a determined for)102 196.2 R .164
(ger can easily spoof the IDENT protocol.)-.18 F .164(The follo)5.164 F
(w-)-.25 E(ing description is e)102 208.2 Q(xcerpted from RFC 1413:)-.15
E 2.5(6. Security)127 224.4 R(Considerations)2.5 E .005
(The information returned by this protocol is at most as trustw)127
240.6 R(orth)-.1 E 2.506(ya)-.05 G 2.506(st)-2.506 G .006(he host pro)
-2.506 F .006(viding it OR)-.15 F .274(the or)127 252.6 R -.05(ga)-.18 G
.274(nization operating the host.).05 F -.15(Fo)5.274 G 2.774(re).15 G
.273(xample, a PC in an open lab has fe)-2.924 F 2.773(wi)-.25 G 2.773
(fa)-2.773 G .573 -.15(ny c)-2.773 H(ontrols).15 E .986(on it to pre)127
264.6 R -.15(ve)-.25 G .986(nt a user from ha).15 F .986
(ving this protocol return an)-.2 F 3.486(yi)-.15 G .987
(denti\214er the user w)-3.486 F 3.487(ants. Lik)-.1 F(e-)-.1 E 1.441(w\
ise, if the host has been compromised the information returned may be c\
ompletely erro-)127 276.6 R(neous and misleading.)127 288.6 Q .521(The \
Identi\214cation Protocol is not intended as an authorization or access\
 control protocol.)127 304.8 R(At)5.521 E 1.037(best, it pro)127 316.8 R
1.037(vides some additional auditing information with respect to TCP co\
nnections.)-.15 F(At)6.036 E -.1(wo)127 328.8 S(rst, it can pro).1 E
(vide misleading, incorrect, or maliciously incorrect information.)-.15
E 1.006(The use of the information returned by this protocol for other \
than auditing is strongly dis-)127 345 R 2.697(couraged. Speci\214cally)
127 357 R 2.697(,u)-.65 G .197
(sing Identi\214cation Protocol information to mak)-2.697 F 2.697(ea)-.1
G .197(ccess control deci-)-2.697 F .514(sions - either as the primary \
method \(i.e., no other checks\) or as an adjunct to other methods)127
369 R(may result in a weak)127 381 Q(ening of normal host security)-.1 E
(.)-.65 E 1.779(An Identi\214cation serv)127 397.2 R 1.778(er may re)
-.15 F -.15(ve)-.25 G 1.778
(al information about users, entities, objects or processes).15 F .336
(which might normally be considered pri)127 409.2 R -.25(va)-.25 G 2.836
(te. An).25 F .337(Identi\214cation serv)2.836 F .337(er pro)-.15 F .337
(vides service which)-.15 F .806
(is a rough analog of the CallerID services pro)127 421.2 R .806
(vided by some phone companies and man)-.15 F 3.306(yo)-.15 G(f)-3.306 E
1.397(the same pri)127 433.2 R -.25(va)-.25 G 1.697 -.15(cy c).25 H
1.397(onsiderations and ar).15 F 1.398
(guments that apply to the CallerID service apply to)-.18 F 3.546
(Identi\214cation. If)127 445.2 R 1.046(you w)3.546 F(ouldn')-.1 E 3.546
(tr)-.18 G 1.045(un a "\214nger" serv)-3.546 F 1.045(er due to pri)-.15
F -.25(va)-.25 G 1.345 -.15(cy c).25 H 1.045(onsiderations you may).15 F
(not w)127 457.2 Q(ant to run this protocol.)-.1 E .376
(In some cases your system may not w)102 473.4 R .377
(ork properly with IDENT support due to a b)-.1 F .377(ug in the TCP/IP)
-.2 F 3.675(implementation. The)102 485.4 R 1.175(symptoms will be that\
 for some hosts the SMTP connection will be closed)3.675 F .565
(almost immediately)102 497.4 R 5.565(.I)-.65 G 3.065(ft)-5.565 G .565
(his is true or if you do not w)-3.065 F .565(ant to use IDENT)-.1 F
3.066(,y)-.74 G .566(ou should set the IDENT)-3.066 F
(timeout to zero; this will disable the IDENT protocol.)102 509.4 Q F0
2.5(3. ARGUMENTS)72 533.4 R F1 .018(The complete list of ar)112 549.6 R
.018(guments to)-.18 F F2(sendmail)2.517 E F1 .017
(is described in detail in Appendix A.)2.517 F .017(Some important)5.017
F(ar)87 561.6 Q(guments are described here.)-.18 E F0 2.5(3.1. Queue)87
585.6 R(Inter)2.5 E -.1(va)-.1 G(l).1 E F1 .455(The amount of time betw\
een forking a process to run through the queue is de\214ned by the)127
601.8 R F0<ad71>2.956 E F1 2.676(\215ag. If)102 613.8 R .176
(you run with deli)2.676 F -.15(ve)-.25 G .176(ry mode set to).15 F F0
(i)2.676 E F1(or)2.676 E F0(b)2.675 E F1 .175(this can be relati)2.675 F
-.15(ve)-.25 G .175(ly lar).15 F .175(ge, since it will only be rel-)
-.18 F -.25(eva)102 625.8 S .206(nt when a host that w).25 F .206(as do)
-.1 F .206(wn comes back up.)-.25 F .207(If you run in)5.206 F F0(q)
2.707 E F1 .207(mode it should be relati)2.707 F -.15(ve)-.25 G .207
(ly short,).15 F 1.039(since it de\214nes the maximum amount of time th\
at a message may sit in the queue.)102 637.8 R 1.038(\(See also the)
6.039 F(MinQueueAge option.\))102 649.8 Q 1.335
(RFC 1123 section 5.3.1.1 says that this v)127 666 R 1.336
(alue should be at least 30 minutes \(although that)-.25 F
(probably doesn')102 678 Q 2.5(tm)-.18 G(ak)-2.5 E 2.5(es)-.1 G
(ense if you use `)-2.5 E(`queue-only')-.74 E 2.5('m)-.74 G(ode\).)-2.5
E .365(Notice: the meaning of the interv)127 694.2 R .364
(al time depends on whether normal queue runners or persis-)-.25 F .207
(tent queue runners are used.)102 706.2 R -.15(Fo)5.208 G 2.708(rt).15 G
.208(he former)-2.708 F 2.708(,i)-.4 G 2.708(ti)-2.708 G 2.708(st)-2.708
G .208(he time between subsequent starts of a queue run.)-2.708 F -.15
(Fo)102 718.2 S 3.35(rt).15 G .85(he latter)-3.35 F 3.35(,i)-.4 G 3.35
(ti)-3.35 G 3.35(st)-3.35 G .85(he time sendmail w)-3.35 F .849
(aits after a persistent queue runner has \214nished its w)-.1 F .849
(ork to)-.1 F 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-24 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF .41
(start the ne)102 96 R .41(xt one.)-.15 F .411
(Hence for persistent queue runners this interv)5.41 F .411
(al should be v)-.25 F .411(ery lo)-.15 F 1.711 -.65(w, t)-.25 H .411
(ypically no).65 F(more than tw)102 108 Q 2.5(om)-.1 G(inutes.)-2.5 E F0
2.5(3.2. Daemon)87 132 R(Mode)2.5 E F1 .085(If you allo)127 148.2 R
2.585(wi)-.25 G .085(ncoming mail o)-2.585 F -.15(ve)-.15 G 2.585(ra).15
G 2.585(nI)-2.585 G .085(PC connection, you should ha)-2.585 F .384 -.15
(ve a d)-.2 H .084(aemon running.).15 F(This)5.084 E .069
(should be set by your)102 160.2 R/F2 10/Times-Italic@0 SF(/etc/r)2.569
E(c)-.37 E F1 .069(\214le using the)2.569 F F0(\255bd)2.569 E F1 2.57
(\215ag. The)2.569 F F0(\255bd)2.57 E F1 .07(\215ag and the)2.57 F F0
<ad71>2.57 E F1 .07(\215ag may be combined)2.57 F(in one call:)102 172.2
Q(/usr/sbin/sendmail \255bd \255q30m)142 188.4 Q 1.141(An alternati)127
208.8 R 1.441 -.15(ve a)-.25 H 1.141(pproach is to in).15 F -.2(vo)-.4 G
1.341 -.1(ke s).2 H 1.141(endmail from).1 F F2(inetd)3.641 E F1 1.141
(\(8\) \(use the)B F0(\255bs)3.64 E F1 1.14(\255Am \215ags to ask)2.5 F
1.339(sendmail to speak SMTP on its standard input and output and to ru\
n as MT)102 220.8 R 3.84(A\). This)-.93 F -.1(wo)3.84 G 1.34(rks and).1
F(allo)102 232.8 Q .323(ws you to wrap)-.25 F F2(sendmail)2.823 E F1
.323(in a TCP wrapper program, b)2.823 F .323(ut may be a bit slo)-.2 F
.322(wer since the con\214gu-)-.25 F .345
(ration \214le has to be re-read on e)102 244.8 R -.15(ve)-.25 G .346
(ry message that comes in.).15 F .346
(If you do this, you still need to ha)5.346 F .646 -.15(ve a)-.2 H F2
(sendmail)102 256.8 Q F1(running to \215ush the queue:)2.5 E
(/usr/sbin/sendmail \255q30m)142 273 Q F0 2.5(3.3. F)87 301.2 R(or)-.25
E(cing the Queue)-.18 E F1 .04(In some cases you may \214nd that the qu\
eue has gotten clogged for some reason.)127 317.4 R -1.1(Yo)5.04 G 2.54
(uc)1.1 G .04(an force)-2.54 F 3.184(aq)102 329.4 S .684
(ueue run using the)-3.184 F F0<ad71>3.184 E F1 .684(\215ag \(with no v)
3.184 F 3.184(alue\). It)-.25 F .684(is entertaining to use the)3.184 F
F0<ad76>3.185 E F1 .685(\215ag \(v)3.185 F .685(erbose\) when)-.15 F
(this is done to w)102 341.4 Q(atch what happens:)-.1 E
(/usr/sbin/sendmail \255q \255v)142 357.6 Q -1.1(Yo)127 378 S 3(uc)1.1 G
.499
(an also limit the jobs to those with a particular queue identi\214er)-3
F 2.999(,r)-.4 G .499(ecipient, sender)-2.999 F 2.999(,q)-.4 G(uar)
-2.999 E(-)-.2 E 2.097
(antine reason, or queue group using one of the queue modi\214ers.)102
390 R -.15(Fo)7.097 G 4.597(re).15 G 2.097(xample, \231\255qRberk)-4.747
F(ele)-.1 E<799a>-.15 E 1.364(restricts the queue run to jobs that ha)
102 402 R 1.664 -.15(ve t)-.2 H 1.364(he string \231berk).15 F(ele)-.1 E
1.364(y\232 some)-.15 F 1.363(where in one of the recipient)-.25 F 2.842
(addresses. Similarly)102 414 R 2.842<2c99>-.65 G .342(\255qSstring\232\
 limits the run to particular senders, \231\255qIstring\232 limits it t\
o partic-)-2.842 F .408(ular queue identi\214ers, and \231\255qQstring\
\232 limits it to particular quarantined reasons and only operated)102
426 R 1.748(on quarantined queue items, and \231\255qGstring\232 limits\
 it to a particular queue group.)102 438 R 1.748(The named)6.748 F .389
(queue group will be run e)102 450 R -.15(ve)-.25 G 2.889(ni).15 G 2.888
(fi)-2.889 G 2.888(ti)-2.888 G 2.888(ss)-2.888 G .388(et to ha)-2.888 F
.688 -.15(ve 0 r)-.2 H 2.888(unners. Y).15 F .388(ou may also place an)
-1.1 F F0(!)2.888 E F1 .388(before the)5.388 F F0(I)2.888 E F1(or)2.888
E F0(R)102 462 Q F1(or)3.052 E F0(S)3.052 E F1(or)3.052 E F0(Q)3.052 E
F1 .552(to indicate that jobs are limited to not including a particular\
 queue identi\214er)3.052 F 3.053(,r)-.4 G(ecipient)-3.053 E .252
(or sender)102 474 R 5.252(.F)-.55 G .252(or e)-5.402 F .252(xample, \
\231\255q!Rseattle\232 limits the queue run to jobs that do not ha)-.15
F .551 -.15(ve t)-.2 H .251(he string \231seat-).15 F .296(tle\232 some)
102 486 R .297(where in one of the recipient addresses.)-.25 F .297
(Should you need to terminate the queue jobs cur)5.297 F(-)-.2 E
(rently acti)102 498 Q .3 -.15(ve t)-.25 H(hen a SIGTERM to the parent \
of the process \(or processes\) will cleanly stop the jobs.).15 E F0 2.5
(3.4. Deb)87 522 R(ugging)-.2 E F1 .256(There are a f)127 538.2 R .256
(airly lar)-.1 F .256(ge number of deb)-.18 F .256(ug \215ags b)-.2 F
.256(uilt into)-.2 F F2(sendmail)2.756 E F1 5.256(.E)C .256(ach deb)
-5.256 F .256(ug \215ag has a cat-)-.2 F -.15(eg)102 550.2 S .501
(ory and a le).15 F -.15(ve)-.25 G 3.002(l. Higher).15 F(le)3.002 E -.15
(ve)-.25 G .502(ls increase the le).15 F -.15(ve)-.25 G 3.002(lo).15 G
3.002(fd)-3.002 G(eb)-3.002 E .502(ugging acti)-.2 F .502
(vity; in most cases, this means)-.25 F .138
(to print out more information.)102 562.2 R .138(The con)5.138 F -.15
(ve)-.4 G .138(ntion is that le).15 F -.15(ve)-.25 G .137
(ls greater than nine are \231absurd,).15 F 2.637<9a69>-.7 G .137
(.e., the)-2.637 F(y)-.15 E .869
(print out so much information that you w)102 574.2 R(ouldn')-.1 E 3.369
(tn)-.18 G .869(ormally w)-3.369 F .87(ant to see them e)-.1 F .87
(xcept for deb)-.15 F(ugging)-.2 E(that particular piece of code.)102
586.2 Q -1.1(Yo)127 602.4 S 2.866(us)1.1 G(hould)-2.866 E F0(ne)2.866 E
-.1(ve)-.15 G(r).1 E F1 .366(run a production sendmail serv)2.866 F .366
(er in deb)-.15 F .366(ug mode.)-.2 F(Man)5.366 E 2.866(yo)-.15 G 2.866
(ft)-2.866 G .366(he deb)-2.866 F .366(ug \215ags)-.2 F .907
(will result in deb)102 614.4 R .907(ug output being sent o)-.2 F -.15
(ve)-.15 G 3.407(rt).15 G .907(he SMTP channel unless the option)-3.407
F F0<ad44>3.407 E F1 .907(is used.)3.407 F(This)5.908 E 1.225
(will confuse man)102 626.4 R 3.725(ym)-.15 G 1.225(ail programs.)-3.725
F(Ho)6.225 E(we)-.25 E -.15(ve)-.25 G 2.025 -.4(r, f).15 H 1.225
(or testing purposes, it can be useful when sending).4 F
(mail manually via telnet to the port you are using while deb)102 638.4
Q(ugging.)-.2 E 2.753(Ad)127 654.6 S(eb)-2.753 E .253(ug cate)-.2 F .254
(gory is either an inte)-.15 F(ger)-.15 E 2.754(,l)-.4 G(ik)-2.754 E
2.754(e4)-.1 G .254(2, or a name, lik)-2.754 F 2.754(eA)-.1 G 2.754
(NSI. Y)-2.754 F .254(ou can specify a range)-1.1 F .929(of numeric deb)
102 666.6 R .928(ug cate)-.2 F .928(gories using the syntax 17-42.)-.15
F -1.1(Yo)5.928 G 3.428(uc)1.1 G .928(an specify a set of named deb)
-3.428 F .928(ug cate-)-.2 F .483(gories using a glob pattern lik)102
678.6 R 2.984<6599>-.1 G 2.984(sm_trace_*\232. At)-2.984 F .484
(present, only \231*\232 and \231?\232)2.984 F .484
(are supported in these)5.484 F(glob patterns.)102 690.6 Q(Deb)127 706.8
Q(ug \215ags are set using the)-.2 E F0<ad64>2.5 E F1
(option; the syntax is:)2.5 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-25)195.86 E/F1 10/Times-Roman@0 SF(deb)142 96 Q(ug-\215ag:)-.2 E
F0<ad64>36.78 E F1(deb)2.5 E(ug-list)-.2 E(deb)142 108 Q 37.05
(ug-list: deb)-.2 F(ug-option [ , deb)-.2 E(ug-option ]*)-.2 E(deb)142
120 Q 23.72(ug-option: deb)-.2 F(ug-cate)-.2 E(gories [ . deb)-.15 E
(ug-le)-.2 E -.15(ve)-.25 G 2.5(l]).15 G(deb)142 132 Q(ug-cate)-.2 E
8.89(gories: inte)-.15 F(ger | inte)-.15 E(ger \255 inte)-.15 E
(ger | cate)-.15 E(gory-pattern)-.15 E(cate)142 144 Q 11.47
(gory-pattern: [a-zA-Z_*?][a-zA-Z0-9_*?]*)-.15 F(deb)142 156 Q(ug-le)-.2
E -.15(ve)-.25 G 30.24(l: inte).15 F(ger)-.15 E
(where spaces are for reading ease only)102 172.2 Q 5(.F)-.65 G(or e)
-5.15 E(xample,)-.15 E 58.99(\255d12 Set)142 188.4 R(cate)2.5 E
(gory 12 to le)-.15 E -.15(ve)-.25 G 2.5(l1).15 G 51.49(\255d12.3 Set)
142 200.4 R(cate)2.5 E(gory 12 to le)-.15 E -.15(ve)-.25 G 2.5(l3).15 G
48.35(\255d3\25517 Set)142 212.4 R(cate)2.5 E(gories 3 through 17 to le)
-.15 E -.15(ve)-.25 G 2.5(l1).15 G 40.85(\255d3\25517.4 Set)142 224.4 R
(cate)2.5 E(gories 3 through 17 to le)-.15 E -.15(ve)-.25 G 2.5(l4).15 G
45.66(\255dANSI Set)142 236.4 R(cate)2.5 E(gory ANSI to le)-.15 E -.15
(ve)-.25 G 2.5(l1).15 G 15.39(\255dsm_trace_*.3 Set)142 248.4 R
(all named cate)2.5 E(gories matching sm_trace_* to le)-.15 E -.15(ve)
-.25 G 2.5(l3).15 G -.15(Fo)102 264.6 S 3.284(rac).15 G .783
(omplete list of the a)-3.284 F -.25(va)-.2 G .783(ilable deb).25 F .783
(ug \215ags you will ha)-.2 F 1.083 -.15(ve t)-.2 H 3.283(ol).15 G .783
(ook at the code and the)-3.283 F/F2 10/Times-Italic@0 SF(TRA)3.283 E
(CE-)-.3 E(FLA)102 276.6 Q(GS)-.35 E F1 1.062
(\214le in the sendmail distrib)3.561 F 1.062(ution \(the)-.2 F 3.562
(ya)-.15 G 1.062(re too dynamic to k)-3.562 F 1.062
(eep this document up to date\).)-.1 F -.15(Fo)102 288.6 S 2.5(ral).15 G
(ist of named deb)-2.5 E(ug cate)-.2 E(gories in the sendmail binary)
-.15 E 2.5(,u)-.65 G(se)-2.5 E(ident /usr/sbin/sendmail | grep Deb)142
304.8 Q(ug)-.2 E F0 2.5(3.5. Changing)87 333 R(the V)2.5 E
(alues of Options)-.92 E F1(Options can be o)127 349.2 Q -.15(ve)-.15 G
(rridden using the).15 E F0<ad6f>2.5 E F1(or)2.5 E F0<ad4f>2.5 E F1
(command line \215ags.)2.5 E -.15(Fo)5 G 2.5(re).15 G(xample,)-2.65 E
(/usr/sbin/sendmail \255oT2m)142 365.4 Q .021(sets the)102 381.6 R F0(T)
2.521 E F1 .021(\(timeout\) option to tw)2.521 F 2.521(om)-.1 G .021
(inutes for this run only; the equi)-2.521 F -.25(va)-.25 G .02
(lent line using the long option).25 F(name is)102 393.6 Q
(/usr/sbin/sendmail -O)142 409.8 Q -.35(Ti)-.4 G(meout.queuereturn=2m)
.35 E .72(Some options ha)127 430.2 R 1.02 -.15(ve s)-.2 H .72
(ecurity implications.).15 F .72(Sendmail allo)5.72 F .72
(ws you to set these, b)-.25 F .72(ut relinquishes)-.2 F(its set-user)
102 444.2 Q(-ID or set-group-ID permissions thereafter)-.2 E/F3 7
/Times-Roman@0 SF(12)-4 I F1(.)4 I F0 2.5(3.6. T)87 468.2 R
(rying a Differ)-.74 E(ent Con\214guration File)-.18 E F1(An alternati)
127 484.4 Q .3 -.15(ve c)-.25 H
(on\214guration \214le can be speci\214ed using the).15 E F0<ad43>2.5 E
F1(\215ag; for e)2.5 E(xample,)-.15 E
(/usr/sbin/sendmail \255Ctest.cf \255oQ/tmp/mqueue)142 500.6 Q .68
(uses the con\214guration \214le)102 516.8 R F2(test.cf)3.18 E F1 .68
(instead of the def)3.18 F(ault)-.1 E F2(/etc/mail/sendmail.cf)3.18 E(.)
-.15 E F1 .68(If the)5.68 F F0<ad43>3.18 E F1 .68(\215ag has no)3.18 F
-.25(va)102 528.8 S(lue it def).25 E(aults to)-.1 E F2(sendmail.cf)2.5 E
F1(in the current directory)2.5 E(.)-.65 E F2(Sendmail)127 545 Q F1(gi)
2.571 E -.15(ve)-.25 G 2.571(su).15 G 2.571(ps)-2.571 G(et-user)-2.571 E
.071(-ID root permissions \(if it has been installed set-user)-.2 F .07
(-ID root\) when)-.2 F .779(you use this \215ag, so it is common to use\
 a publicly writable directory \(such as /tmp\) as the queue)102 557 R
(directory \(QueueDirectory or Q option\) while testing.)102 569 Q F0
2.5(3.7. Logging)87 593 R -.74(Tr)2.5 G(af\214c).74 E F1(Man)127 609.2 Q
3.255(yS)-.15 G .754
(MTP implementations do not fully implement the protocol.)-3.255 F -.15
(Fo)5.754 G 3.254(re).15 G .754(xample, some per)-3.404 F(-)-.2 E 1.178
(sonal computer based SMTPs do not understand continuation lines in rep\
ly codes.)102 621.2 R 1.178(These can be)6.178 F -.15(ve)102 633.2 S .13
(ry hard to trace.).15 F .13
(If you suspect such a problem, you can set traf)5.13 F .13
(\214c logging using the)-.25 F F0<ad58>2.63 E F1 2.63(\215ag. F)2.63 F
(or)-.15 E -.15(ex)102 645.2 S(ample,).15 E .32 LW 76 669.2 72 669.2 DL
80 669.2 76 669.2 DL 84 669.2 80 669.2 DL 88 669.2 84 669.2 DL 92 669.2
88 669.2 DL 96 669.2 92 669.2 DL 100 669.2 96 669.2 DL 104 669.2 100
669.2 DL 108 669.2 104 669.2 DL 112 669.2 108 669.2 DL 116 669.2 112
669.2 DL 120 669.2 116 669.2 DL 124 669.2 120 669.2 DL 128 669.2 124
669.2 DL 132 669.2 128 669.2 DL 136 669.2 132 669.2 DL 140 669.2 136
669.2 DL 144 669.2 140 669.2 DL 148 669.2 144 669.2 DL 152 669.2 148
669.2 DL 156 669.2 152 669.2 DL 160 669.2 156 669.2 DL 164 669.2 160
669.2 DL 168 669.2 164 669.2 DL 172 669.2 168 669.2 DL 176 669.2 172
669.2 DL 180 669.2 176 669.2 DL 184 669.2 180 669.2 DL 188 669.2 184
669.2 DL 192 669.2 188 669.2 DL 196 669.2 192 669.2 DL 200 669.2 196
669.2 DL 204 669.2 200 669.2 DL 208 669.2 204 669.2 DL 212 669.2 208
669.2 DL 216 669.2 212 669.2 DL/F4 5/Times-Roman@0 SF(12)93.6 679.6 Q/F5
8/Times-Roman@0 SF .497(That is, it sets its ef)3.2 J(fecti)-.2 E .737
-.12(ve u)-.2 H .497(id to the real uid; thus, if you are e).12 F -.12
(xe)-.12 G .497(cuting as root, as from root').12 F 2.497(sc)-.44 G .497
(rontab \214le or during system)-2.497 F
(startup the root permissions will still be honored.)72 692.4 Q 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-26 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF
(/usr/sbin/sendmail \255X /tmp/traf)142 96 Q(\214c \255bd)-.25 E
(will log all traf)102 112.2 Q(\214c in the \214le)-.25 E/F2 10
/Times-Italic@0 SF(/tmp/tr)2.5 E(af)-.15 E<8c63>-.18 E F1(.)A .997
(This logs a lot of data v)127 128.4 R .997(ery quickly and should)-.15
F F0(NEVER)3.497 E F1 .998(be used during normal operations.)3.498 F
.963(After starting up such a daemon, force the errant implementation t\
o send a message to your host.)102 140.4 R .608(All message traf)102
152.4 R .608(\214c in and out of)-.25 F F2(sendmail)3.109 E F1 3.109(,i)
C .609(ncluding the incoming SMTP traf)-3.109 F .609
(\214c, will be logged in)-.25 F(this \214le.)102 164.4 Q F0 2.5(3.8. T)
87 188.4 R(esting Con\214guration Files)-.92 E F1 .644(When you b)127
204.6 R .644(uild a con\214guration table, you can do a certain amount \
of testing using the \231test)-.2 F(mode\232 of)102 216.6 Q F2(sendmail)
2.5 E F1 5(.F)C(or e)-5.15 E(xample, you could in)-.15 E -.2(vo)-.4 G
-.1(ke).2 G F2(sendmail)2.6 E F1(as:)2.5 E(sendmail \255bt \255Ctest.cf)
142 232.8 Q .447(which w)102 249 R .447(ould read the con\214guration \
\214le \231test.cf\232 and enter test mode.)-.1 F .448
(In this mode, you enter lines)5.448 F(of the form:)102 261 Q
(rwset address)142 277.2 Q(where)102 293.4 Q F2(rwset)3.007 E F1 .507
(is the re)3.007 F .507(writing set you w)-.25 F .507(ant to use and)-.1
F F2(addr)3.006 E(ess)-.37 E F1 .506(is an address to apply the set to.)
3.006 F -.7(Te)5.506 G(st).7 E .793(mode sho)102 305.4 R .794
(ws you the steps it tak)-.25 F .794(es as it proceeds, \214nally sho)
-.1 F .794(wing you the address it ends up with.)-.25 F -1.1(Yo)102
317.4 S 3.332(um)1.1 G .832(ay use a comma separated list of rwsets for\
 sequential application of rules to an input.)-3.332 F -.15(Fo)5.831 G
(r).15 E -.15(ex)102 329.4 S(ample:).15 E(3,1,21,4 monet:bollard)142
345.6 Q .622
(\214rst applies ruleset three to the input \231monet:bollard.)102 361.8
R 5.622<9a52>-.7 G .622(uleset one is then applied to the output of)
-5.622 F(ruleset three, follo)102 373.8 Q
(wed similarly by rulesets twenty-one and four)-.25 E(.)-.55 E 1.084(If\
 you need more detail, you can also use the \231\255d21\232 \215ag to t\
urn on more deb)127 390 R 3.584(ugging. F)-.2 F(or)-.15 E -.15(ex)102
402 S(ample,).15 E(sendmail \255bt \255d21.99)142 418.2 Q .689
(turns on an incredible amount of information; a single w)102 434.4 R
.689(ord address is probably going to print out)-.1 F(se)102 446.4 Q
-.15(ve)-.25 G(ral pages w).15 E(orth of information.)-.1 E -1.1(Yo)127
462.6 S 2.575(us)1.1 G .075(hould be w)-2.575 F .075
(arned that internally)-.1 F(,)-.65 E F2(sendmail)2.575 E F1 .075
(applies ruleset 3 to all addresses.)2.575 F .074(In test mode)5.074 F
(you will ha)102 474.6 Q .3 -.15(ve t)-.2 H 2.5(od).15 G 2.5(ot)-2.5 G
(hat manually)-2.5 E 5(.F)-.65 G(or e)-5.15 E(xample, older v)-.15 E
(ersions allo)-.15 E(wed you to use)-.25 E 2.5(0b)142 490.8 S
(ruce@broadcast.son)-2.5 E -.65(y.)-.15 G(com).65 E(This v)102 507 Q
(ersion requires that you use:)-.15 E(3,0 bruce@broadcast.son)142 523.2
Q -.65(y.)-.15 G(com).65 E(As of v)127 543.6 Q
(ersion 8.7, some other syntax)-.15 E(es are a)-.15 E -.25(va)-.2 G
(ilable in test mode:).25 E -.834(.D x v)102 559.8 R 30.038
(alue de\214nes)-.25 F(macro)2.952 E F2(x)2.952 E F1 .452(to ha)2.952 F
.752 -.15(ve t)-.2 H .452(he indicated).15 F F2(value)2.952 E F1 5.452
(.T)C .453(his is useful when deb)-5.452 F .453(ugging rules)-.2 F
(that use the)174 571.8 Q F0($&)2.5 E F2(x)A F1(syntax.)2.5 E -.834
(.C c v)102 588 R 31.148(alue adds)-.25 F(the indicated)2.5 E F2(value)
2.5 E F1(to class)2.5 E F2(c)2.5 E F1(.)A -.834(=S ruleset)102 604.2 R
(dumps the contents of the indicated ruleset.)32.474 E -.834(\255d deb)
102 620.4 R 11.854(ug-spec is)-.2 F(equi)2.5 E -.25(va)-.25 G
(lent to the command-line \215ag.).25 E -1.11(Ve)102 636.6 S
(rsion 8.9 introduced more features:)1.11 E 67.56(?s)102 652.8 S(ho)
-67.56 E(ws a help message.)-.25 E 54.97(=M display)102 669 R(the kno)
2.5 E(wn mailers.)-.25 E 56.72($m print)102 685.2 R(the v)2.5 E
(alue of macro m.)-.25 E 54.42($=c print)102 701.4 R
(the contents of class c.)2.5 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-27)195.86 E/F1 10/Times-Roman@0 SF(/mx host)102 96 Q
(returns the MX records for `host'.)37.27 E(/parse address)102 112.2 Q
(parse address, returning the v)15.63 E(alue of)-.25 E/F2 10
/Times-Italic@0 SF(cr)2.5 E(ac)-.15 E(kaddr)-.2 E F1 2.5(,a)C
(nd the parsed address.)-2.5 E(/try mailer addr)102 128.4 Q(re)9.79 E
(write address into the form it will ha)-.25 E .3 -.15(ve w)-.2 H
(hen presented to the indicated mailer).15 E(.)-.55 E
(/try\215ags \215ags)102 144.6 Q 1.006(set \215ags used by parsing.)
17.83 F 1.005(The \215ags can be `H' for Header or `E' for En)6.006 F
-.15(ve)-.4 G(lope,).15 E .62(and `S' for Sender or `R' for Recipient.)
174 156.6 R .62(These can be combined, `HR' sets \215ags)5.62 F
(for header recipients.)174 168.6 Q(/canon hostname)102 184.8 Q
(try to canonify hostname.)4.51 E(/map mapname k)102 201 Q -.15(ey)-.1 G
(look up `k)174 213 Q -.15(ey)-.1 G 2.5('i).15 G 2.5(nt)-2.5 G
(he indicated `mapname'.)-2.5 E 51.16(/quit quit)102 229.2 R
(address test mode.)2.5 E F0 2.5(3.9. P)87 245.4 R
(ersistent Host Status Inf)-.2 E(ormation)-.25 E F1(When)127 261.6 Q F0
(HostStatusDir)2.57 E(ectory)-.18 E F1 .069
(is enabled, information about the status of hosts is maintained on)2.57
F .248(disk and can thus be shared between dif)102 273.6 R .249
(ferent instantiations of)-.25 F F2(sendmail)2.749 E F1 5.249(.T)C .249
(he status of the last con-)-5.249 F
(nection with each remote host may be vie)102 285.6 Q
(wed with the command:)-.25 E(sendmail \255bh)142 301.8 Q
(This information may be \215ushed with the command:)102 318 Q
(sendmail \255bH)142 334.2 Q 1.535(Flushing the information pre)102
350.4 R -.15(ve)-.25 G 1.535(nts ne).15 F(w)-.25 E F2(sendmail)4.035 E
F1 1.535(processes from loading it, b)4.035 F 1.534(ut does not pre)-.2
F -.15(ve)-.25 G(nt).15 E -.15(ex)102 362.4 S
(isting processes from using the status information that the).15 E 2.5
(ya)-.15 G(lready ha)-2.5 E -.15(ve)-.2 G(.).15 E F0 2.5(4. TUNING)72
386.4 R F1 1.922
(There are a number of con\214guration parameters you may w)112 402.6 R
1.922(ant to change, depending on the)-.1 F .367
(requirements of your site.)87 414.6 R .366
(Most of these are set using an option in the con\214guration \214le.)
5.367 F -.15(Fo)5.366 G 2.866(re).15 G(xample,)-3.016 E
(the line \231O T)87 426.6 Q
(imeout.queuereturn=5d\232 sets option \231T)-.35 E
(imeout.queuereturn\232 to the v)-.35 E(alue \2315d\232 \(\214v)-.25 E
2.5(ed)-.15 G(ays\).)-2.5 E .735(Most of these options ha)112 442.8 R
1.035 -.15(ve a)-.2 H .735(ppropriate def).15 F .735
(aults for most sites.)-.1 F(Ho)5.735 E(we)-.25 E -.15(ve)-.25 G 1.535
-.4(r, s).15 H .735(ites ha).4 F .735(ving v)-.2 F .735(ery high)-.15 F
.046(mail loads may \214nd the)87 454.8 R 2.546(yn)-.15 G .046
(eed to tune them as appropriate for their mail load.)-2.546 F .045
(In particular)5.045 F 2.545(,s)-.4 G .045(ites e)-2.545 F(xperi-)-.15 E
1.087(encing a lar)87 466.8 R 1.087(ge number of small messages, man)
-.18 F 3.587(yo)-.15 G 3.588(fw)-3.587 G 1.088(hich are deli)-3.588 F
-.15(ve)-.25 G 1.088(red to man).15 F 3.588(yr)-.15 G 1.088
(ecipients, may \214nd)-3.588 F(that the)87 478.8 Q 2.5(yn)-.15 G
(eed to adjust the parameters dealing with queue priorities.)-2.5 E .524
(All v)112 495 R .524(ersions of)-.15 F F2(sendmail)3.024 E F1 .524
(prior to 8.7 had single character option names.)3.024 F .523
(As of 8.7, options ha)5.524 F -.15(ve)-.2 G 1.215
(long \(multi-character names\).)87 507 R 1.216
(Although old short names are still accepted, most ne)6.215 F 3.716(wo)
-.25 G 1.216(ptions do not)-3.716 F(ha)87 519 Q .3 -.15(ve s)-.2 H
(hort equi).15 E -.25(va)-.25 G(lents.).25 E .802
(This section only describes the options you are most lik)112 535.2 R
.802(ely to w)-.1 F .801(ant to tweak; read section 5 for)-.1 F
(more details.)87 547.2 Q F0 2.5(4.1. T)87 571.2 R(imeouts)-.18 E F1
.582(All time interv)127 587.4 R .583
(als are set using a scaled syntax.)-.25 F -.15(Fo)5.583 G 3.083(re).15
G .583(xample, \23110m\232 represents ten minutes,)-3.233 F
(whereas \2312h30m\232 represents tw)102 599.4 Q 2.5(oa)-.1 G
(nd a half hours.)-2.5 E(The full set of scales is:)5 E 16.11(ss)142
615.6 S(econds)-16.11 E 12.22(mm)142 627.6 S(inutes)-12.22 E 15(hh)142
639.6 S(ours)-15 E 15(dd)142 651.6 S(ays)-15 E 12.78(ww)142 663.6 S
(eeks)-12.78 E F0 2.5(4.1.1. Queue)102 691.8 R(inter)2.5 E -.1(va)-.1 G
(l).1 E F1 .18(The ar)142 708 R .18(gument to the)-.18 F F0<ad71>2.68 E
F1 .18(\215ag speci\214es ho)2.68 F 2.68(wo)-.25 G .18
(ften a sub-daemon will run the queue.)-2.68 F .18(This is)5.18 F .792
(typically set to between \214fteen minutes and one hour)117 720 R 5.793
(.I)-.55 G 3.293(fn)-5.793 G .793
(ot set, or set to zero, the queue will)-3.293 F 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-28 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF .048
(not be run automatically)117 96 R 5.048(.R)-.65 G .048
(FC 1123 section 5.3.1.1 recommends that this be at least 30 minutes.)
-5.048 F .5(Should you need to terminate the queue jobs currently acti)
117 108 R .801 -.15(ve t)-.25 H .501(hen a SIGTERM to the parent of).15
F(the process \(or processes\) will cleanly stop the jobs.)117 120 Q F0
2.5(4.1.2. Read)102 144 R(timeouts)2.5 E F1 -.35(Ti)142 160.2 S .298
(meouts all ha).35 F .598 -.15(ve o)-.2 H .297(ption names \231T).15 F
(imeout.)-.35 E/F2 10/Times-Italic@0 SF(suboption)A F1 2.797(\232. Most)
B .297(of these control SMTP oper)2.797 F(-)-.2 E 3.898(ations. The)117
172.2 R(recognized)3.898 E F2(suboption)3.898 E F1 1.398(s, their def)B
1.398(ault v)-.1 F 1.398(alues, and the minimum v)-.25 F 1.399
(alues allo)-.25 F 1.399(wed by)-.25 F
(RFC 2821 section 4.5.3.2 \(or RFC 1123 section 5.3.2\) are:)117 184.2 Q
38.4(connect The)117 200.4 R .161(time to w)2.661 F .161
(ait for an SMTP connection to open \(the)-.1 F F2(connect)2.66 E F1 .16
(\(2\) system call\))B 1.153([0, unspeci\214ed].)189 212.4 R 1.153
(If zero, uses the k)6.153 F 1.153(ernel def)-.1 F 3.653(ault. In)-.1 F
1.153(no case can this option)3.653 F -.15(ex)189 224.4 S .519
(tend the timeout longer than the k).15 F .518(ernel pro)-.1 F .518
(vides, b)-.15 F .518(ut it can shorten it.)-.2 F(This)5.518 E .579
(is to get around k)189 236.4 R .579(ernels that pro)-.1 F .579
(vide an absurdly long connection timeout \(90)-.15 F
(minutes in one case\).)189 248.4 Q 35.62(iconnect The)117 264.6 R .311
(same as)2.811 F F2(connect,)2.811 E F1 -.15(ex)2.811 G .311
(cept it applies only to the initial attempt to connect to).15 F 2.75
(ah)189 276.6 S .25(ost for a gi)-2.75 F -.15(ve)-.25 G 2.75(nm).15 G
.25(essage [0, unspeci\214ed].)-2.75 F .25
(The concept is that this should be)5.25 F -.15(ve)189 288.6 S .767
(ry short \(a fe).15 F 3.267(ws)-.25 G .767
(econds\); hosts that are well connected and responsi)-3.267 F 1.066
-.15(ve w)-.25 H(ill).15 E .026(thus be serviced immediately)189 300.6 R
5.026(.H)-.65 G .026(osts that are slo)-5.026 F 2.526(ww)-.25 G .026
(ill not hold up other deli)-2.526 F(v-)-.25 E
(eries in the initial deli)189 312.6 Q -.15(ve)-.25 G(ry attempt.).15 E
33.96(aconnect [0,)117 328.8 R 1.708(unspeci\214ed] The o)4.208 F -.15
(ve)-.15 G 1.707(rall timeout w).15 F 1.707
(aiting for all connection for a single)-.1 F(deli)189 340.8 Q -.15(ve)
-.25 G .152(ry attempt to succeed.).15 F .152(If 0, no o)5.152 F -.15
(ve)-.15 G .152(rall limit is applied.).15 F .153(This can be used)5.152
F .521(to restrict the total amount of time trying to connect to a long\
 list of host that)189 352.8 R .514
(could accept an e-mail for the recipient.)189 364.8 R .514
(This timeout does not apply to)5.514 F F0 -.25(Fa)3.014 G(ll-).25 E
(backMXhost)189 376.8 Q F1 2.678(,i)C .177(.e., if the time is e)-2.678
F .177(xhausted, the)-.15 F F0 -.25(Fa)2.677 G(llbackMXhost).25 E F1
.177(is tried ne)2.677 F(xt.)-.15 E 46.16(initial The)117 393 R -.1(wa)
2.5 G(it for the initial 220 greeting message [5m, 5m].).1 E 52.28
(helo The)117 409.2 R -.1(wa)4.226 G 1.727
(it for a reply from a HELO or EHLO command [5m, unspeci\214ed].).1 F .1
(This may require a host name lookup, so \214v)189 421.2 R 2.6(em)-.15 G
.1(inutes is probably a reasonable)-2.6 F(minimum.)189 433.2 Q 46.72
(mail\207 The)117 449.4 R -.1(wa)2.5 G
(it for a reply from a MAIL command [10m, 5m].).1 E 48.95(rcpt\207 The)
117 465.6 R -.1(wa)3.481 G .981
(it for a reply from a RCPT command [1h, 5m].).1 F .982
(This should be long)5.982 F 1.556
(because it could be pointing at a list that tak)189 477.6 R 1.556
(es a long time to e)-.1 F 1.556(xpand \(see)-.15 F(belo)189 489.6 Q
(w\).)-.25 E 34.5(datainit\207 The)117 505.8 R -.1(wa)2.5 G
(it for a reply from a D).1 E -1.21 -1.11(AT A)-.4 H(command [5m, 2m].)
3.61 E 20.62(datablock\207\210 The)117 522 R -.1(wa)2.696 G .196
(it for reading a data block \(that is, the body of the message\).).1 F
.196([1h, 3m].)5.196 F .621(This should be long because it also applies\
 to programs piping input to)189 534 R F2(send-)3.12 E(mail)189 546 Q F1
(which ha)2.5 E .3 -.15(ve n)-.2 H 2.5(og).15 G(uarantee of promptness.)
-2.5 E 30.06(data\214nal\207 The)117 562.2 R -.1(wa)2.806 G .306
(it for a reply from the dot terminating a message.).1 F .306
([1h, 10m].)5.306 F .306(If this is)5.306 F .884
(shorter than the time actually needed for the recei)189 574.2 R -.15
(ve)-.25 G 3.383(rt).15 G 3.383(od)-3.383 G(eli)-3.383 E -.15(ve)-.25 G
3.383(rt).15 G .883(he message,)-3.383 F(duplicates will be generated.)
189 586.2 Q(This is discussed in RFC 1047.)5 E 55.06(rset The)117 602.4
R -.1(wa)2.5 G(it for a reply from a RSET command [5m, unspeci\214ed].)
.1 E 53.94(quit The)117 618.6 R -.1(wa)2.5 G(it for a reply from a Q).1
E(UIT command [2m, unspeci\214ed].)-.1 E 50.61(misc The)117 634.8 R -.1
(wa)2.76 G .261(it for a reply from miscellaneous \(b).1 F .261
(ut short\) commands such as NOOP)-.2 F
(\(no-operation\) and VERB \(go into v)189 646.8 Q(erbose mode\).)-.15 E
([2m, unspeci\214ed].)5 E 20.06(command\207\210 In)117 663 R(serv)2.5 E
(er SMTP)-.15 E 2.5(,t)-1.11 G(he time to w)-2.5 E
(ait for another command.)-.1 E([1h, 5m].)5 E 44.5(ident\210 The)117
681.2 R(timeout w)2.5 E(aiting for a reply to an IDENT query [5s)-.1 E
/F3 7/Times-Roman@0 SF(13)-4 I F1 2.5(,u)4 K(nspeci\214ed].)-2.5 E .32
LW 76 690.8 72 690.8 DL 80 690.8 76 690.8 DL 84 690.8 80 690.8 DL 88
690.8 84 690.8 DL 92 690.8 88 690.8 DL 96 690.8 92 690.8 DL 100 690.8 96
690.8 DL 104 690.8 100 690.8 DL 108 690.8 104 690.8 DL 112 690.8 108
690.8 DL 116 690.8 112 690.8 DL 120 690.8 116 690.8 DL 124 690.8 120
690.8 DL 128 690.8 124 690.8 DL 132 690.8 128 690.8 DL 136 690.8 132
690.8 DL 140 690.8 136 690.8 DL 144 690.8 140 690.8 DL 148 690.8 144
690.8 DL 152 690.8 148 690.8 DL 156 690.8 152 690.8 DL 160 690.8 156
690.8 DL 164 690.8 160 690.8 DL 168 690.8 164 690.8 DL 172 690.8 168
690.8 DL 176 690.8 172 690.8 DL 180 690.8 176 690.8 DL 184 690.8 180
690.8 DL 188 690.8 184 690.8 DL 192 690.8 188 690.8 DL 196 690.8 192
690.8 DL 200 690.8 196 690.8 DL 204 690.8 200 690.8 DL 208 690.8 204
690.8 DL 212 690.8 208 690.8 DL 216 690.8 212 690.8 DL/F4 5
/Times-Roman@0 SF(13)93.6 701.2 Q/F5 8/Times-Roman@0 SF
(On some systems the def)3.2 I(ault is zero to turn the protocol of)-.08
E 2(fe)-.2 G(ntirely)-2 E(.)-.52 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-29)195.86 E/F1 10/Times-Roman@0 SF 53.94(lhlo The)117 96 R -.1
(wa)2.5 G(it for a reply to an LMTP LHLO command [2m, unspeci\214ed].).1
E 52.28(auth The)117 112.2 R(timeout for a reply in an SMTP A)2.5 E
(UTH dialogue [10m, unspeci\214ed].)-.55 E 42.83(starttls The)117 128.4
R .141(timeout for a reply to an SMTP ST)2.641 F(AR)-.93 E .14
(TTLS command and the TLS hand-)-.6 F(shak)189 140.4 Q 2.5(e[)-.1 G
(1h, unspeci\214ed].)-2.5 E 32.28(\214leopen\210 The)117 156.6 R
(timeout for opening .forw)2.5 E(ard and :include: \214les [60s, none].)
-.1 E 36.17(control\210 The)117 172.8 R .241
(timeout for a complete control sock)2.74 F .241
(et transaction to complete [2m, none].)-.1 F 25.05(hoststatus\210 Ho)
117 189 R 4.142(wl)-.25 G 1.642
(ong status information about a host \(e.g., host do)-4.142 F 1.641
(wn\) will be cached)-.25 F
(before it is considered stale [30m, unspeci\214ed].)189 201 Q(resolv)
117 217.2 Q(er)-.15 E 3.28(.retrans\210 The)-.55 F(resolv)4.274 E(er')
-.15 E 4.274(sr)-.55 G 1.774(etransmission time interv)-4.274 F 1.775
(al \(in seconds\) [v)-.25 F 4.275(aries]. Sets)-.25 F(both)4.275 E/F2
10/Times-Italic@0 SF -.55(Ti)189 229.2 S(meout.r).55 E(esolver)-.37 E
(.r)-1.11 E(etr)-.37 E(ans.\214r)-.15 E(st)-.1 E F1(and)2.5 E F2 -.55
(Ti)2.5 G(meout.r).55 E(esolver)-.37 E(.r)-1.11 E(etr)-.37 E(ans.normal)
-.15 E F1(.)A(resolv)117 245.4 Q(er)-.15 E(.retrans.\214rst\210)-.55 E
.318(The resolv)189 257.4 R(er')-.15 E 2.818(sr)-.55 G .318
(etransmission time interv)-2.818 F .317
(al \(in seconds\) for the \214rst attempt to)-.25 F(deli)189 269.4 Q
-.15(ve)-.25 G 2.5(ram).15 G(essage [v)-2.5 E(aries].)-.25 E(resolv)117
285.6 Q(er)-.15 E(.retrans.normal\210)-.55 E 3.554(The resolv)189 297.6
R(er')-.15 E 6.054(sr)-.55 G 3.554(etransmission time interv)-6.054 F
3.555(al \(in seconds\) for all resolv)-.25 F(er)-.15 E(lookups e)189
309.6 Q(xcept the \214rst deli)-.15 E -.15(ve)-.25 G(ry attempt [v).15 E
(aries].)-.25 E(resolv)117 325.8 Q(er)-.15 E 11.61(.retry\210 The)-.55 F
3.838(number of times to retransmit a resolv)6.339 F 3.838(er query)-.15
F 8.838(.S)-.65 G 3.838(ets both)-8.838 F F2 -.55(Ti)6.338 G(me-).55 E
(out.r)189 337.8 Q(esolver)-.37 E(.r)-1.11 E(etry)-.37 E(.\214r)-.55 E
(st)-.1 E F1(and)2.5 E F2 -.55(Ti)2.5 G(meout.r).55 E(esolver)-.37 E(.r)
-1.11 E(etry)-.37 E(.normal)-.55 E F1([v)2.5 E(aries].)-.25 E(resolv)117
354 Q(er)-.15 E(.retry)-.55 E(.\214rst\210)-.65 E 1.66
(The number of times to retransmit a resolv)189 366 R 1.66
(er query for the \214rst attempt to)-.15 F(deli)189 378 Q -.15(ve)-.25
G 2.5(ram).15 G(essage [v)-2.5 E(aries].)-.25 E(resolv)117 394.2 Q(er)
-.15 E(.retry)-.55 E(.normal\210)-.65 E
(The number of times to retransmit a resolv)189 406.2 Q
(er query for all resolv)-.15 E(er lookups)-.15 E -.15(ex)191.5 418.2 S
(cept the \214rst deli).15 E -.15(ve)-.25 G(ry attempt [v).15 E(aries].)
-.25 E -.15(Fo)117 434.4 S 4.609(rc).15 G 2.109
(ompatibility with old con\214guration \214les, if no)-4.609 F F2
(suboption)4.608 E F1 2.108(is speci\214ed, all the timeouts)4.608 F
(mark)117 446.4 Q .059
(ed with a dagger \(\207\) are set to the indicated v)-.1 F 2.559
(alue. All)-.25 F -.2(bu)2.559 G 2.559(tt).2 G .059(hose mark)-2.559 F
.059(ed with a double dag-)-.1 F(ger \(\210\) apply to client SMTP)117
458.4 Q(.)-1.11 E -.15(Fo)142 474.6 S 2.5(re).15 G(xample, the lines:)
-2.65 E 2.5(OT)157 490.8 S(imeout.command=25m)-2.85 E 2.5(OT)157 502.8 S
(imeout.datablock=3h)-2.85 E .344(sets the serv)117 519 R .344(er SMTP \
command timeout to 25 minutes and the input data block timeout to three)
-.15 F(hours.)117 531 Q F0 2.5(4.1.3. Message)102 555 R(timeouts)2.5 E
F1 .463(After sitting in the queue for a fe)142 571.2 R 2.964(wd)-.25 G
.464(ays, an undeli)-2.964 F -.15(ve)-.25 G .464
(rable message will time out.).15 F .464(This is)5.464 F .165
(to insure that at least the sender is a)117 583.2 R -.1(wa)-.15 G .165
(re of the inability to send a message.).1 F .164(The timeout is typi-)
5.164 F .56(cally set to \214v)117 595.2 R 3.06(ed)-.15 G 3.06(ays. It)
-3.06 F .56(is sometimes considered con)3.06 F -.15(ve)-.4 G .56
(nient to also send a w).15 F .56(arning message if)-.1 F .236
(the message is in the queue longer than a fe)117 607.2 R 2.736(wh)-.25
G .236(ours \(assuming you normally ha)-2.736 F .536 -.15(ve g)-.2 H
.236(ood connec-).15 F(ti)117 619.2 Q 2.073
(vity; if your messages normally took se)-.25 F -.15(ve)-.25 G 2.073
(ral hours to send you w).15 F(ouldn')-.1 E 4.574(tw)-.18 G 2.074
(ant to do this)-4.674 F .794(because it w)117 631.2 R(ouldn')-.1 E
3.294(tb)-.18 G 3.294(ea)-3.294 G 3.294(nu)-3.294 G .794(nusual e)-3.294
F -.15(ve)-.25 G 3.294(nt\). These).15 F .794
(timeouts are set using the)3.294 F F0 -.18(Ti)3.293 G(meout.queuer).18
E(e-)-.18 E(tur)117 643.2 Q(n)-.15 E F1(and)3.075 E F0 -.18(Ti)3.075 G
(meout.queuewar).18 E(n)-.15 E F1 .576
(options in the con\214guration \214le \(pre)3.076 F .576
(viously both were set using)-.25 F(the)117 655.2 Q F0(T)2.5 E F1
(option\).)2.5 E 1.368(If the message is submitted using the)142 671.4 R
/F3 9/Times-Roman@0 SF(NO)3.867 E 1.617(TIFY SMTP)-.36 F F1 -.15(ex)
3.867 G 1.367(tension, w).15 F 1.367(arning messages will)-.1 F .888
(only be sent if)117 683.4 R F3(NO)3.388 E(TIFY=DELA)-.36 E(Y)-.945 E F1
.888(is speci\214ed.)3.388 F .888(The queuereturn and queue)5.888 F -.1
(wa)-.25 G .888(rn timeouts can be).1 F .67(further quali\214ed with a \
tag based on the Precedence: \214eld in the message; the)117 695.4 R
3.169(ym)-.15 G .669(ust be one of)-3.169 F(\231ur)117 707.4 Q .938
(gent\232 \(indicating a positi)-.18 F 1.238 -.15(ve n)-.25 H .938
(on-zero precedence\), \231normal\232 \(indicating a zero precedence\),)
.15 F 14.022(or \231non-ur)117 719.4 R 14.022(gent\232 \(indicating ne)
-.18 F -.05(ga)-.15 G(ti).05 E 14.321 -.15(ve p)-.25 H 16.521
(recedences\). F).15 F 14.021(or e)-.15 F 14.021(xample, setting)-.15 F
0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-30 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF<9954>117
96 Q(imeout.queue)-.35 E -.1(wa)-.25 G(rn.ur).1 E .183
(gent=1h\232 sets the w)-.18 F .184(arning timeout for ur)-.1 F .184
(gent messages only to one hour)-.18 F(.)-.55 E .015(The def)117 108 R
.015(ault if no precedence is indicated is to set the timeout for all p\
recedences.)-.1 F .014(If the message)5.014 F 3.288(has a normal \(def)
117 120 R 3.288(ault\) precedence and it is a deli)-.1 F -.15(ve)-.25 G
3.289(ry status noti\214cation \(DSN\),).15 F F0 -.18(Ti)5.789 G(me-).18
E(out.queuer)117 132 Q(etur)-.18 E(n.dsn)-.15 E F1(and)2.751 E F0 -.18
(Ti)2.751 G(meout.queuewar).18 E(n.dsn)-.15 E F1 .251(can be used to gi)
2.751 F .551 -.15(ve a)-.25 H 2.751(na).15 G(lternati)-2.751 E .551 -.15
(ve w)-.25 H .25(arn and).05 F 2.027(return time for DSNs.)117 144 R
2.027(The v)7.027 F 2.027(alue "no)-.25 F 2.027(w" can be used for -O T)
-.25 F 2.028(imeout.queuereturn to return)-.35 F .901(entries immediate\
ly during a queue run, e.g., to bounce messages independent of their ti\
me in)117 156 R(the queue.)117 168 Q .28
(Since these options are global, and since you cannot kno)142 184.2 R(w)
-.25 E/F2 10/Times-Italic@0 SF 2.78(ap)2.78 G(riori)-2.78 E F1(ho)2.78 E
2.78(wl)-.25 G .28(ong another host)-2.78 F .476
(outside your domain will be do)117 196.2 R .475(wn, a \214v)-.25 F
2.975(ed)-.15 G .475(ay timeout is recommended.)-2.975 F .475(This allo)
5.475 F .475(ws a recipient)-.25 F 1.579(to \214x the problem e)117
208.2 R -.15(ve)-.25 G 4.079(ni).15 G 4.079(fi)-4.079 G 4.079(to)-4.079
G 1.579(ccurs at the be)-4.079 F 1.58(ginning of a long week)-.15 F 4.08
(end. RFC)-.1 F 1.58(1123 section)4.08 F
(5.3.1.1 says that this parameter should be `)117 220.2 Q
(`at least 4\2555 days')-.74 E('.)-.74 E(The)142 236.4 Q F0 -.18(Ti)
2.923 G(meout.queuewar).18 E(n)-.15 E F1 -.25(va)2.923 G .423
(lue can be piggyback).25 F .422(ed on the)-.1 F F0(T)2.922 E F1 .422
(option by indicating a time)2.922 F .845(after which a w)117 248.4 R
.845(arning message should be sent; the tw)-.1 F 3.346(ot)-.1 G .846
(imeouts are separated by a slash.)-3.346 F -.15(Fo)5.846 G(r).15 E -.15
(ex)117 260.4 S(ample, the line).15 E -.4(OT)157 276.6 S(5d/4h).4 E .972
(causes email to f)117 292.8 R .971(ail after \214v)-.1 F 3.471(ed)-.15
G .971(ays, b)-3.471 F .971(ut a w)-.2 F .971
(arning message will be sent after four hours.)-.1 F(This)5.971 E
(should be lar)117 304.8 Q(ge enough that the message will ha)-.18 E .3
-.15(ve b)-.2 H(een tried se).15 E -.15(ve)-.25 G(ral times.).15 E F0
2.5(4.2. F)87 328.8 R(orking During Queue Runs)-.25 E F1 .848
(By setting the)127 345 R F0 -.25(Fo)3.348 G(rkEachJ).25 E(ob)-.15 E F1
(\()3.348 E F0(Y)A F1 3.348(\)o)C(ption,)-3.348 E F2(sendmail)3.348 E F1
.849(will fork before each indi)3.348 F .849(vidual message)-.25 F .486
(while running the queue.)102 357 R .486(This option w)5.486 F .486
(as used with earlier releases to pre)-.1 F -.15(ve)-.25 G(nt).15 E F2
(sendmail)2.986 E F1 .486(from con-)2.986 F 1.562(suming lar)102 369 R
1.562(ge amounts of memory)-.18 F 6.562(.I)-.65 G 4.062(ts)-6.562 G
1.562(hould no longer be necessary with)-4.062 F F2(sendmail)4.062 E F1
4.062(8.12. If)4.062 F(the)4.062 E F0 -.25(Fo)102 381 S(rkEachJ).25 E
(ob)-.15 E F1 .246(option is not set,)2.746 F F2(sendmail)2.746 E F1
.245(will k)2.745 F .245(eep track of hosts that are do)-.1 F .245
(wn during a queue run,)-.25 F(which can impro)102 393 Q .3 -.15(ve p)
-.15 H(erformance dramatically).15 E(.)-.65 E(If the)127 409.2 Q F0 -.25
(Fo)2.5 G(rkEachJ).25 E(ob)-.15 E F1(option is set,)2.5 E F2(sendmail)
2.5 E F1(cannot use connection caching.)2.5 E F0 2.5(4.3. Queue)87 433.2
R(Priorities)2.5 E F1(Ev)127 449.4 Q 1.128(ery message is assigned a pr\
iority when it is \214rst instantiated, consisting of the message)-.15 F
.286(size \(in bytes\) of)102 461.4 R .286(fset by the message class \(\
which is determined from the Precedence: header\) times)-.25 F .342
(the \231w)102 473.4 R .342(ork class f)-.1 F .343
(actor\232 and the number of recipients times the \231w)-.1 F .343
(ork recipient f)-.1 F(actor)-.1 E 4.243 -.7(.\232 T)-.55 H .343
(he priority).7 F .073(is used to order the queue.)102 485.4 R .073(Hig\
her numbers for the priority mean that the message will be processed)
5.073 F(later when running the queue.)102 497.4 Q .328
(The message size is included so that lar)127 513.6 R .329
(ge messages are penalized relati)-.18 F .629 -.15(ve t)-.25 H 2.829(os)
.15 G .329(mall messages.)-2.829 F .285(The message class allo)102 525.6
R .285(ws users to send \231high priority\232 messages by including a \
\231Precedence:\232 \214eld)-.25 F .007(in their message; the v)102
537.6 R .007(alue of this \214eld is look)-.25 F .008(ed up in the)-.1 F
F0(P)2.508 E F1 .008(lines of the con\214guration \214le.)2.508 F .008
(Since the)5.008 F 1.967(number of recipients af)102 549.6 R 1.967(fect\
s the amount of load a message presents to the system, this is also)-.25
F(included into the priority)102 561.6 Q(.)-.65 E .53
(The recipient and class f)127 577.8 R .53
(actors can be set in the con\214guration \214le using the)-.1 F F0
(RecipientF)3.03 E(actor)-.25 E F1(\()102 589.8 Q F0(y)A F1 3.443(\)a)C
(nd)-3.443 E F0(ClassF)3.443 E(actor)-.25 E F1(\()3.442 E F0(z)A F1
3.442(\)o)C .942(ptions respecti)-3.442 F -.15(ve)-.25 G(ly).15 E 5.942
(.T)-.65 G(he)-5.942 E 3.442(yd)-.15 G(ef)-3.442 E .942
(ault to 30000 \(for the recipient f)-.1 F .942(actor\) and)-.1 F
(1800 \(for the class f)102 601.8 Q 2.5(actor\). The)-.1 F
(initial priority is:)2.5 E F2(pri)168.495 619.8 Q/F3 10/Symbol SF(=)
3.16 E F2(msgsize)3.18 E F3(-)2.38 E F1(\()2.2 E F2(class).2 E F3<b4>
2.47 E F0(ClassFactor\))2.2 E F3(+)2.2 E F1(\()2.2 E F2(nrcpt).36 E F3
<b4>2.88 E F0(RecipientFactor\))2.2 E F1(\(Remember)102 637.8 Q 3.328
(,h)-.4 G .828(igher v)-3.328 F .828(alues for this parameter actually \
mean that the job will be treated with lo)-.25 F(wer)-.25 E(priority)102
649.8 Q(.\))-.65 E 1.519(The priority of a job can also be adjusted eac\
h time it is processed \(that is, each time an)127 666 R .235
(attempt is made to deli)102 678 R -.15(ve)-.25 G 2.736(ri).15 G .236
(t\) using the \231w)-2.736 F .236(ork time f)-.1 F(actor)-.1 E 1.636
-.7(,\232 s)-.4 H .236(et by the).7 F F0(RetryF)2.736 E(actor)-.25 E F1
(\()2.736 E F0(Z)A F1 2.736(\)o)C 2.736(ption. This)-2.736 F .367
(is added to the priority)102 690 R 2.867(,s)-.65 G 2.867(oi)-2.867 G
2.867(tn)-2.867 G .366
(ormally decreases the precedence of the job, on the grounds that jobs)
-2.867 F .137(that ha)102 702 R .437 -.15(ve f)-.2 H .137(ailed man).05
F 2.637(yt)-.15 G .137(imes will tend to f)-2.637 F .137(ail ag)-.1 F
.137(ain in the future.)-.05 F(The)5.137 E F0(RetryF)2.637 E(actor)-.25
E F1 .137(option def)2.637 F .138(aults to)-.1 F(90000.)102 714 Q 0 Cg
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-31)195.86 E 2.5(4.4. Load)87 96 R(Limiting)2.5 E/F1 10
/Times-Italic@0 SF(Sendmail)127 112.2 Q/F2 10/Times-Roman@0 SF .102
(can be ask)2.602 F .101(ed to queue \(b)-.1 F .101(ut not deli)-.2 F
-.15(ve)-.25 G .101(r\) mail if the system load a).15 F -.15(ve)-.2 G
.101(rage gets too high).15 F .483(using the)102 124.2 R F0(QueueLA)
2.983 E F2(\()2.983 E F0(x)A F2 2.983(\)o)C 2.983(ption. When)-2.983 F
.483(the load a)2.983 F -.15(ve)-.2 G .483(rage e).15 F .483
(xceeds the v)-.15 F .484(alue of the)-.25 F F0(QueueLA)2.984 E F2
(option,)2.984 E .532(the deli)102 136.2 R -.15(ve)-.25 G .532
(ry mode is set to).15 F F0(q)3.032 E F2 .532(\(queue only\) if the)
3.032 F F0(QueueF)3.032 E(actor)-.25 E F2(\()3.032 E F0(q)A F2 3.032
(\)o)C .531(ption di)-3.032 F .531(vided by the dif)-.25 F(ference)-.25
E .01(in the current load a)102 148.2 R -.15(ve)-.2 G .01(rage and the)
.15 F F0(QueueLA)2.51 E F2 .01
(option plus one is less than the priority of the message)2.51 F 2.5
<8a74>102 160.2 S(hat is, the message is queued if)-2.5 E(f:)-.25 E F1
(pri)251.425 183.61 Q F2(>)3.16 E F0(QueueFactor)15.315 -7 M F1(LA)
-66.835 14 M/F3 10/Symbol SF(-)2.23 E F0(QueueLA)2.2 E F3(+)2.2 E F2(1)
2.2 E .4 LW 354.625 181.01 275.895 181.01 DL(The)102 206.87 Q F0(QueueF)
2.616 E(actor)-.25 E F2 .116(option def)2.616 F .116
(aults to 600000, so each point of load a)-.1 F -.15(ve)-.2 G .116
(rage is w).15 F .116(orth 600000 priority)-.1 F
(points \(as described abo)102 218.87 Q -.15(ve)-.15 G(\).).15 E -.15
(Fo)127 235.07 S 3.893(rd).15 G 1.393(rastic cases, the)-3.893 F F0
(RefuseLA)3.893 E F2(\()3.893 E F0(X)A F2 3.893(\)o)C 1.394
(ption de\214nes a load a)-3.893 F -.15(ve)-.2 G 1.394(rage at which).15
F F1(sendmail)3.894 E F2(will)3.894 E .433(refuse to accept netw)102
247.07 R .432(ork connections.)-.1 F .432
(Locally generated mail, i.e., mail which is not submitted via)5.432 F
.317(SMTP \(including incoming UUCP mail\), is still accepted.)102
259.07 R .318(Notice that the MSP submits mail to the)5.317 F(MT)102
271.07 Q 3.214(Av)-.93 G .714(ia SMTP)-3.214 F 3.214(,a)-1.11 G .713
(nd hence mail will be queued in the client queue in such a case.)-3.214
F .713(Therefore it is)5.713 F
(necessary to run the client mail queue periodically)102 283.07 Q(.)-.65
E F0 2.5(4.5. Resour)87 307.07 R(ce Limits)-.18 E F1(Sendmail)127 323.27
Q F2 1.039(has se)3.539 F -.15(ve)-.25 G 1.039
(ral parameters to control resource usage.).15 F 1.039
(Besides those mentioned in the)6.039 F(pre)102 335.27 Q 8.476
(vious section, there are at least)-.25 F F0(MaxDaemonChildr)10.975 E
(en)-.18 E F2(,)A F0(ConnectionRateThr)10.975 E(ottle)-.18 E F2(,)A F0
(MaxQueueChildr)102 347.27 Q(en)-.18 E F2 3.889(,a)C(nd)-3.889 E F0
(MaxRunnersP)3.889 E(erQueue)-.2 E F2 6.389(.T)C 1.389(he latter tw)
-6.389 F 3.889(ol)-.1 G 1.389(imit the number of)-3.889 F F1(sendmail)
3.889 E F2 1.315(processes that operate on the queue.)102 359.27 R 1.315
(These are discussed in the section `)6.315 F 1.315
(`Queue Group Declara-)-.74 F(tion')102 371.27 Q 2.712('. The)-.74 F
.212(former tw)2.712 F 2.712(oc)-.1 G .212
(an be used to limit the number of incoming connections.)-2.712 F .212
(Their appropriate)5.212 F -.25(va)102 383.27 S .062
(lues depend on the host operating system and the hardw).25 F .062
(are, e.g., amount of memory)-.1 F 5.062(.I)-.65 G 2.561(nm)-5.062 G(an)
-2.561 E 2.561(ys)-.15 G(it-)-2.561 E 1.082
(uations it might be useful to set limits to pre)102 395.27 R -.15(ve)
-.25 G 1.082(nt to ha).15 F 1.382 -.15(ve t)-.2 H 1.082(oo man).15 F(y)
-.15 E F1(sendmail)3.582 E F2 1.082(processes, ho)3.582 F(we)-.25 E -.15
(ve)-.25 G -.4(r,).15 G .652(these limits can be ab)102 407.27 R .652
(used to mount a denial of service attack.)-.2 F -.15(Fo)5.652 G 3.152
(re).15 G .652(xample, if)-3.302 F F0(MaxDaemonChil-)3.152 E(dr)102
419.27 Q(en=10)-.18 E F2 .9(then an attack)3.4 F .901
(er needs to open only 10 SMTP sessions to the serv)-.1 F(er)-.15 E
3.401(,l)-.4 G(ea)-3.401 E 1.201 -.15(ve t)-.2 H .901(hem idle for).15 F
.591(most of the time, and no more connections will be accepted.)102
431.27 R .591(If this option is set then the timeouts)5.591 F 1.187
(used in a SMTP session should be lo)102 443.27 R 1.187
(wered from their def)-.25 F 1.187(ault v)-.1 F 1.187
(alues to their minimum v)-.25 F 1.187(alues as)-.25 F
(speci\214ed in RFC 2821 and listed in section 4.1.2.)102 455.27 Q F0
2.5(4.6. Measur)87 479.27 R(es against Denial of Ser)-.18 E
(vice Attacks)-.1 E F1(Sendmail)127 495.47 Q F2 1.674(has some b)4.174 F
1.674(uilt-in measures ag)-.2 F 1.673
(ainst simple denial of service \(DoS\) attacks.)-.05 F(The)6.673 E .913
(SMTP serv)102 507.47 R .913(er by def)-.15 F .913(ault slo)-.1 F .913
(ws do)-.25 F .913(wn if too man)-.25 F 3.413(yb)-.15 G .913
(ad commands are issued or if some commands)-3.413 F .034
(are repeated too often within a session.)102 519.47 R .033
(Details can be found in the source \214le)5.033 F F0(sendmail/sr)2.533
E(vrsmtp.c)-.1 E F2 2.169(by looking for the macro de\214nitions of)102
531.47 R F0(MAXB)4.669 E(ADCOMMANDS)-.3 E F2(,)A F0(MAXNOOPCOMMANDS)
4.669 E F2(,)A F0(MAXHELOCOMMANDS)102 543.47 Q F2(,)A F0
(MAXVRFYCOMMANDS)4.414 E F2 4.414(,a)C(nd)-4.414 E F0(MAXETRNCOMMANDS)
4.414 E F2 6.914(.I)C 4.414(fa)-6.914 G(n)-4.414 E .462
(SMTP command is issued more often than the corresponding)102 555.47 R
F0(MAXcmdCOMMANDS)2.962 E F2 -.25(va)2.962 G .462(lue, then).25 F .217
(the response is delayed e)102 567.47 R(xponentially)-.15 E 2.717(,s)
-.65 G .216(tarting with a sleep time of one second, up to a maximum of)
-2.717 F 1.687(four minutes \(as de\214ned by)102 579.47 R F0
(MAXTIMEOUT)4.187 E F2 4.187(\). If)B 1.687(the option)4.187 F F0
(MaxDaemonChildr)4.187 E(en)-.18 E F2 1.687(is set to a)4.187 F -.25(va)
102 591.47 S .735(lue greater than zero, then this could mak).25 F 3.235
(eaD)-.1 G .735(oS attack e)-3.235 F -.15(ve)-.25 G 3.235(nw).15 G .734
(orse since it k)-3.335 F .734(eeps a connection)-.1 F .867
(open longer than necessary)102 603.47 R 5.867(.T)-.65 G .867
(herefore a connection is terminated with a 421 SMTP reply code if)
-5.867 F .57(the number of commands e)102 615.47 R .57
(xceeds the limit by a f)-.15 F .57(actor of tw)-.1 F 3.07(oa)-.1 G(nd)
-3.07 E F0(MAXB)3.07 E(ADCOMMANDS)-.3 E F2 .57(is set)3.07 F(to a v)102
627.47 Q(alue greater than zero \(the def)-.25 E(ault is 25\).)-.1 E F0
2.5(4.7. Deli)87 651.47 R -.1(ve)-.1 G(ry Mode).1 E F2 .253
(There are a number of deli)127 667.67 R -.15(ve)-.25 G .253
(ry modes that).15 F F1(sendmail)2.753 E F2 .254
(can operate in, set by the)2.753 F F0(Deli)2.754 E -.1(ve)-.1 G(ryMode)
.1 E F2(\()102 679.67 Q F0(d)A F2 3.599(\)c)C 1.099
(on\214guration option.)-3.599 F 1.099(These modes specify ho)6.099 F
3.598(wq)-.25 G 1.098(uickly mail will be deli)-3.598 F -.15(ve)-.25 G
3.598(red. Le).15 F -.05(ga)-.15 G 3.598(lm).05 G(odes)-3.598 E(are:)102
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(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF 17.22(id)
142 96 S(eli)-17.22 E -.15(ve)-.25 G 2.5(ri).15 G(nteracti)-2.5 E -.15
(ve)-.25 G(ly \(synchronously\)).15 E 15(bd)142 108 S(eli)-15 E -.15(ve)
-.25 G 2.5(ri).15 G 2.5(nb)-2.5 G(ackground \(asynchronously\))-2.5 E 15
(qq)142 120 S(ueue only \(don')-15 E 2.5(td)-.18 G(eli)-2.5 E -.15(ve)
-.25 G(r\)).15 E 15(dd)142 132 S(efer deli)-15 E -.15(ve)-.25 G
(ry attempts \(don').15 E 2.5(td)-.18 G(eli)-2.5 E -.15(ve)-.25 G(r\))
.15 E 1.273(There are tradeof)102 148.2 R 3.773(fs. Mode)-.25 F 1.273
(\231i\232 gi)3.773 F -.15(ve)-.25 G 3.773(st).15 G 1.273
(he sender the quick)-3.773 F 1.273(est feedback, b)-.1 F 1.274
(ut may slo)-.2 F 3.774(wd)-.25 G -.25(ow)-3.774 G 3.774(ns).25 G(ome)
-3.774 E .799(mailers and is hardly e)102 160.2 R -.15(ve)-.25 G 3.299
(rn).15 G(ecessary)-3.299 E 5.799(.M)-.65 G .799(ode \231b\232 deli)
-5.799 F -.15(ve)-.25 G .799(rs promptly b).15 F .798(ut can cause lar)
-.2 F .798(ge numbers of)-.18 F .223(processes if you ha)102 172.2 R
.524 -.15(ve a m)-.2 H .224(ailer that tak).15 F .224
(es a long time to deli)-.1 F -.15(ve)-.25 G 2.724(ram).15 G 2.724
(essage. Mode)-2.724 F .224(\231q\232 minimizes the)2.724 F .597
(load on your machine, b)102 184.2 R .597(ut means that deli)-.2 F -.15
(ve)-.25 G .596(ry may be delayed for up to the queue interv).15 F 3.096
(al. Mode)-.25 F .36(\231d\232 is identical to mode \231q\232 e)102
196.2 R .36(xcept that it also pre)-.15 F -.15(ve)-.25 G .36
(nts lookups in maps including the).15 F F0(-D)2.86 E F1 .36
(\215ag from)2.86 F -.1(wo)102 208.2 S 2.076
(rking during the initial queue phase; it is intended for `).1 F 2.075
(`dial on demand')-.74 F 4.575('s)-.74 G 2.075(ites where DNS)-4.575 F
.318(lookups might cost real mone)102 220.2 R 4.118 -.65(y. S)-.15 H
.319(ome simple error messages \(e.g., host unkno).65 F .319
(wn during the SMTP)-.25 F(protocol\) will be delayed using this mode.)
102 232.2 Q(Mode \231b\232 is the usual def)5 E(ault.)-.1 E .052(If you\
 run in mode \231q\232 \(queue only\), \231d\232 \(defer\), or \231b\
\232 \(deli)127 248.4 R -.15(ve)-.25 G 2.552(ri).15 G 2.552(nb)-2.552 G
(ackground\))-2.552 E/F2 10/Times-Italic@0 SF(sendmail)2.551 E F1(will)
2.551 E 1.391(not e)102 260.4 R 1.392(xpand aliases and follo)-.15 F
3.892(w.)-.25 G(forw)-3.892 E 1.392
(ard \214les upon initial receipt of the mail.)-.1 F 1.392
(This speeds up the)6.392 F(response to RCPT commands.)102 272.4 Q
(Mode \231i\232 should not be used by the SMTP serv)5 E(er)-.15 E(.)-.55
E F0 2.5(4.8. Log)87 296.4 R(Le)2.5 E -.1(ve)-.15 G(l).1 E F1 1.041
(The le)127 312.6 R -.15(ve)-.25 G 3.541(lo).15 G 3.541(fl)-3.541 G
1.041(ogging can be set for)-3.541 F F2(sendmail)3.541 E F1 6.041(.T)C
1.041(he def)-6.041 F 1.04(ault using a standard con\214guration is)-.1
F(le)102 324.6 Q -.15(ve)-.25 G 2.622(l9).15 G 5.122(.T)-2.622 G .122
(he le)-5.122 F -.15(ve)-.25 G .122(ls are approximately as follo).15 F
.122(ws \(some log types are using dif)-.25 F .122(ferent le)-.25 F -.15
(ve)-.25 G 2.622(ld).15 G(epending)-2.622 E(on v)102 336.6 Q(arious f)
-.25 E(actors\):)-.1 E 31(0M)102 352.8 S(inimal logging.)-31 E 31(1S)102
369 S(erious system f)-31 E(ailures and potential security problems.)-.1
E 31(2L)102 385.2 S(ost communications \(netw)-31 E
(ork problems\) and protocol f)-.1 E(ailures.)-.1 E 31(3O)102 401.4 S
1.238(ther serious f)-31 F 1.238
(ailures, malformed addresses, transient forw)-.1 F 1.237
(ard/include errors, connection)-.1 F(timeouts.)138 413.4 Q 31(4M)102
429.6 S(inor f)-31 E(ailures, out of date alias databases, connection r\
ejections via check_ rulesets.)-.1 E 31(5M)102 445.8 S
(essage collection statistics.)-31 E 31(6C)102 462 S
(reation of error messages, VRFY and EXPN commands.)-31 E 31(7D)102
478.2 S(eli)-31 E -.15(ve)-.25 G(ry f).15 E
(ailures \(host or user unkno)-.1 E(wn, etc.\).)-.25 E 31(8S)102 494.4 S
(uccessful deli)-31 E -.15(ve)-.25 G(ries and alias database reb).15 E
(uilds.)-.2 E 31(9M)102 510.6 S
(essages being deferred \(due to a host being do)-31 E(wn, etc.\).)-.25
E 23.5(10 Database)102 526.8 R -.15(ex)2.5 G(pansion \(alias, forw).15 E
(ard, and userdb lookups\) and authentication information.)-.1 E 23.5
(11 NIS)102 543 R(errors and end of job processing.)2.5 E 23.5(12 Logs)
102 559.2 R(all SMTP connections.)2.5 E 23.5(13 Log)102 575.4 R(bad use\
r shells, \214les with improper permissions, and other questionable sit\
uations.)2.5 E 23.5(14 Logs)102 591.6 R(refused connections.)2.5 E 23.5
(15 Log)102 607.8 R(all incoming SMTP commands.)2.5 E 23.5(20 Logs)102
624 R .603(attempts to run lock)3.102 F .603(ed queue \214les.)-.1 F
.603(These are not errors, b)5.603 F .603(ut can be useful to note if)
-.2 F(your queue appears to be clogged.)138 636 Q 23.5(30 Lost)102 652.2
R(locks \(only if using lockf instead of \215ock\).)2.5 E(Additionally)
102 668.4 Q 2.717(,v)-.65 G .217(alues abo)-2.967 F .516 -.15(ve 6)-.15
H 2.716(4a).15 G .216(re reserv)-2.716 F .216(ed for e)-.15 F .216
(xtremely v)-.15 F .216(erbose deb)-.15 F .216(ugging output.)-.2 F .216
(No normal site)5.216 F -.1(wo)102 680.4 S(uld e).1 E -.15(ve)-.25 G 2.5
(rs).15 G(et these.)-2.5 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-33)195.86 E 2.5(4.9. File)87 96 R(Modes)2.5 E/F1 10
/Times-Roman@0 SF .264
(The modes used for \214les depend on what functionality you w)127 112.2
R .264(ant and the le)-.1 F -.15(ve)-.25 G 2.764(lo).15 G 2.764(fs)
-2.764 G .264(ecurity you)-2.764 F 2.561(require. In)102 124.2 R(man)
2.561 E 2.561(yc)-.15 G(ases)-2.561 E/F2 10/Times-Italic@0 SF(sendmail)
2.561 E F1 .06
(does careful checking of the modes of \214les and directories to a)
2.561 F -.2(vo)-.2 G(id).2 E 1.335(accidental compromise; if you w)102
136.2 R 1.336(ant to mak)-.1 F 3.836(ei)-.1 G 3.836(tp)-3.836 G 1.336
(ossible to ha)-3.836 F 1.636 -.15(ve g)-.2 H 1.336
(roup-writable support \214les you).15 F(may need to use the)102 148.2 Q
F0(DontBlameSendmail)2.5 E F1(option to turn of)2.5 E 2.5(fs)-.25 G
(ome of these checks.)-2.5 E F0 2.5(4.9.1. T)102 172.2 R 2.5(os)-.92 G
(uid or not to suid?)-2.5 E F2(Sendmail)142 188.4 Q F1 .163
(is no longer installed set-user)2.663 F .163(-ID to root.)-.2 F .162
(sendmail/SECURITY e)5.163 F .162(xplains ho)-.15 F 2.662(wt)-.25 G(o)
-2.662 E .559(con\214gure and install)117 200.4 R F2(sendmail)3.059 E F1
.559(without set-user)3.059 F .559(-ID to root b)-.2 F .56
(ut set-group-ID which is the def)-.2 F(ault)-.1 E
(con\214guration starting with 8.12.)117 212.4 Q 1.286
(The daemon usually runs as root, unless other measures are tak)142
228.6 R 3.785(en. At)-.1 F 1.285(the point where)3.785 F F2(sendmail)117
240.6 Q F1 .494(is about to)2.994 F F2 -.2(ex)2.994 G(ec).2 E F1 .494
(\(2\) a mailer)1.666 F 2.995(,i)-.4 G 2.995(tc)-2.995 G .495
(hecks to see if the userid is zero \(root\); if so, it resets)-2.995 F
.334(the userid and groupid to a def)117 252.6 R .333(ault \(set by the)
-.1 F F0(U=)2.833 E F1 .333
(equate in the mailer line; if that is not set, the)2.833 F F0
(DefaultUser)117 264.6 Q F1 .121(option is used\).)2.621 F .122
(This can be o)5.121 F -.15(ve)-.15 G .122(rridden by setting the).15 F
F0(S)2.622 E F1 .122(\215ag to the mailer for mail-)2.622 F .804
(ers that are trusted and must be called as root.)117 276.6 R(Ho)5.804 E
(we)-.25 E -.15(ve)-.25 G 1.604 -.4(r, t).15 H .804
(his will cause mail processing to be).4 F(accounted \(using)117 288.6 Q
F2(sa)2.5 E F1
(\(8\)\) to root rather than to the user sending the mail.)1.666 E 3.557
(Am)142 304.8 S 1.057(iddle ground is to set the)-3.557 F F0(RunAsUser)
3.557 E F1 3.557(option. This)3.557 F(causes)3.557 E F2(sendmail)3.557 E
F1 1.058(to become the)3.557 F .392(indicated user as soon as it has do\
ne the startup that requires root pri)117 316.8 R(vile)-.25 E .392
(ges \(primarily)-.15 F 2.892(,o)-.65 G(pening)-2.892 E(the)117 328.8 Q
/F3 9/Times-Roman@0 SF(SMTP)3.741 E F1(sock)3.741 E 3.741(et\). If)-.1 F
1.241(you use)3.741 F F0(RunAsUser)3.741 E F1 3.741(,t)C 1.241
(he queue directory \(normally)-3.741 F F2(/var/spool/mqueue)3.742 E F1
(\))A 1.315(should be o)117 340.8 R 1.315(wned by that user)-.25 F 3.815
(,a)-.4 G 1.315(nd all \214les and databases \(including user)-3.815 F
F2(.forwar)3.814 E(d)-.37 E F1 1.314(\214les, alias)3.814 F .256
(\214les, :include: \214les, and e)117 352.8 R .256
(xternal databases\) must be readable by that user)-.15 F 5.257(.A)-.55
G .257(lso, since sendmail)-5.257 F .836
(will not be able to change its uid, deli)117 364.8 R -.15(ve)-.25 G
.836(ry to programs or \214les will be mark).15 F .836
(ed as unsafe, e.g.,)-.1 F(undeli)117 376.8 Q -.15(ve)-.25 G .814
(rable, in).15 F F2(.forwar)3.314 E(d)-.37 E F1 3.314(,a)C .814
(liases, and :include: \214les.)-3.314 F .814(Administrators can o)5.814
F -.15(ve)-.15 G .815(rride this by set-).15 F .7(ting the)117 388.8 R
F0(DontBlameSendmail)3.2 E F1 .7(option to the setting)3.2 F F0
(NonRootSafeAddr)3.2 E F1(.)A F0(RunAsUser)5.7 E F1 .7(is proba-)3.2 F
1.186(bly best suited for \214re)117 400.8 R -.1(wa)-.25 G 1.186
(ll con\214gurations that don').1 F 3.686(th)-.18 G -2.25 -.2(av e)
-3.686 H(re)3.886 E 1.186(gular user logins.)-.15 F 1.186
(If the option is)6.186 F 1.443
(used on a system which performs local deli)117 412.8 R -.15(ve)-.25 G
(ry).15 E 3.943(,t)-.65 G 1.443(hen the local deli)-3.943 F -.15(ve)-.25
G 1.442(ry agent must ha).15 F 1.742 -.15(ve t)-.2 H(he).15 E .974
(proper permissions \(i.e., usually set-user)117 424.8 R .975
(-ID root\) since it will be in)-.2 F -.2(vo)-.4 G -.1(ke).2 G 3.475(db)
.1 G 3.475(yt)-3.475 G(he)-3.475 E F0(RunAsUser)3.475 E F1(,)A
(not by root.)117 436.8 Q F0 2.5(4.9.2. T)102 460.8 R(ur)-.92 E
(ning off security checks)-.15 E F2(Sendmail)142 477 Q F1 .648(is v)
3.148 F .648
(ery particular about the modes of \214les that it reads or writes.)-.15
F -.15(Fo)5.648 G 3.148(re).15 G(xample,)-3.298 E .25(by def)117 489 R
.251(ault it will refuse to read most \214les that are group writable o\
n the grounds that the)-.1 F 2.751(ym)-.15 G(ight)-2.751 E(ha)117 501 Q
1.216 -.15(ve b)-.2 H .916
(een tampered with by someone other than the o).15 F .916
(wner; it will e)-.25 F -.15(ve)-.25 G 3.416(nr).15 G .916
(efuse to read \214les in)-3.416 F 1.456(group writable directories.)117
513 R 1.456(Also, sendmail will refuse to create a ne)6.456 F 3.957(wa)
-.25 G 1.457(liases database in an)-3.957 F .032(unsafe directory)117
525 R 5.032(.Y)-.65 G .031(ou can get around this by manually creating \
the database \214le as a trusted user)-6.132 F
(ahead of time and then reb)117 537 Q(uilding the aliases database with)
-.2 E F0(newaliases)2.5 E F1(.)A .437(If you are)142 553.2 R F2(quite)
2.937 E F1 .437(sure that your con\214guration is safe and you w)2.937 F
(ant)-.1 E F2(sendmail)2.938 E F1 .438(to a)2.938 F -.2(vo)-.2 G .438
(id these).2 F 1.187(security checks, you can turn of)117 565.2 R 3.687
(fc)-.25 G 1.187(ertain checks using the)-3.687 F F0(DontBlameSendmail)
3.686 E F1 3.686(option. This)3.686 F 1.389(option tak)117 577.2 R 1.389
(es one or more names that disable checks.)-.1 F 1.39
(In the descriptions that follo)6.389 F 2.69 -.65(w, \231)-.25 H(unsafe)
.65 E(directory\232 means a directory that is writable by an)117 589.2 Q
(yone other than the o)-.15 E(wner)-.25 E 5(.T)-.55 G(he v)-5 E
(alues are:)-.25 E 15.73(Safe No)117 605.4 R(special handling.)2.5 E
(AssumeSafeCho)117 621.6 Q(wn)-.25 E .413(Assume that the)153 633.6 R F2
-.15(ch)2.913 G(own).15 E F1 .413(system call is restricted to root.)
2.913 F .413(Since some v)5.413 F .412(ersions of UNIX)-.15 F .865
(permit re)153 645.6 R .865(gular users to gi)-.15 F 1.166 -.15(ve aw)
-.25 H .866(ay their \214les to other users on some \214lesystems,).05 F
F2(send-)3.366 E(mail)153 657.6 Q F1 .457(often cannot assume that a gi)
2.957 F -.15(ve)-.25 G 2.956<6e8c>.15 G .456(le w)-2.956 F .456
(as created by the o)-.1 F(wner)-.25 E 2.956(,p)-.4 G .456
(articularly when)-2.956 F 1.474(it is in a writable directory)153 669.6
R 6.475(.Y)-.65 G 1.475(ou can set this \215ag if you kno)-7.575 F 3.975
(wt)-.25 G 1.475(hat \214le gi)-3.975 F -.15(ve)-.25 G -2.3 -.15(aw a)
.15 H 3.975(yi).15 G(s)-3.975 E(restricted on your system.)153 681.6 Q
(ClassFileInUnsafeDirP)117 697.8 Q(ath)-.15 E .494
(When reading class \214les \(using the)153 709.8 R F0(F)2.993 E F1 .493
(line in the con\214guration \214le\), allo)2.993 F 2.993<778c>-.25 G
.493(les that are)-2.993 F(in unsafe directories.)153 721.8 Q 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-34 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF(DontW)117
96 Q(arnF)-.8 E(orw)-.15 E(ardFileInUnsafeDirP)-.1 E(ath)-.15 E(Pre)153
108 Q -.15(ve)-.25 G(nt logging of unsafe directory path w).15 E
(arnings for non-e)-.1 E(xistent forw)-.15 E(ard \214les.)-.1 E
(ErrorHeaderInUnsafeDirP)117 124.2 Q(ath)-.15 E(Allo)153 136.2 Q 2.5(wt)
-.25 G(he \214le named in the)-2.5 E F0(Err)2.5 E(orHeader)-.18 E F1
(option to be in an unsafe directory)2.5 E(.)-.65 E(FileDeli)117 152.4 Q
-.15(ve)-.25 G(ryT).15 E(oHardLink)-.8 E(Allo)153 164.4 Q 2.5(wd)-.25 G
(eli)-2.5 E -.15(ve)-.25 G(ry to \214les that are hard links.).15 E
(FileDeli)117 180.6 Q -.15(ve)-.25 G(ryT).15 E(oSymLink)-.8 E(Allo)153
192.6 Q 2.5(wd)-.25 G(eli)-2.5 E -.15(ve)-.25 G
(ry to \214les that are symbolic links.).15 E -.15(Fo)117 208.8 S(rw).15
E(ardFileInGroupWritableDirP)-.1 E(ath)-.15 E(Allo)153 220.8 Q(w)-.25 E
/F2 10/Times-Italic@0 SF(.forwar)2.5 E(d)-.37 E F1
(\214les in group writable directories.)2.5 E -.15(Fo)117 237 S(rw).15 E
(ardFileInUnsafeDirP)-.1 E(ath)-.15 E(Allo)153 249 Q(w)-.25 E F2
(.forwar)2.5 E(d)-.37 E F1(\214les in unsafe directories.)2.5 E -.15(Fo)
117 265.2 S(rw).15 E(ardFileInUnsafeDirP)-.1 E(athSafe)-.15 E(Allo)153
277.2 Q 2.612(wa)-.25 G F2(.forwar)A(d)-.37 E F1 .112(\214le that is in\
 an unsafe directory to include references to program and)2.612 F
(\214les.)153 289.2 Q(GroupReadableK)117 305.4 Q -.15(ey)-.25 G(File).15
E(Accept a group-readable k)153 317.4 Q .3 -.15(ey \214)-.1 H(le for ST)
.15 E(AR)-.93 E(TTLS.)-.6 E(GroupReadableSASLDBFile)117 333.6 Q
(Accept a group-readable Cyrus SASL passw)153 345.6 Q(ord \214le.)-.1 E
(GroupReadableDef)117 361.8 Q(aultAuthInfoFile)-.1 E
(Accept a group-readable Def)153 373.8 Q(aultAuthInfo \214le for SASL.)
-.1 E(GroupWritableAliasFile)117 390 Q(Allo)153 402 Q 2.5(wg)-.25 G
(roup-writable alias \214les.)-2.5 E(GroupWritableDirP)117 418.2 Q
(athSafe)-.15 E .224(Change the de\214nition of \231unsafe directory\
\232 to consider group-writable directories to be)153 430.2 R 2.5
(safe. W)153 442.2 R(orld-writable directories are al)-.8 E -.1(wa)-.1 G
(ys unsafe.).1 E(GroupWritableF)117 458.4 Q(orw)-.15 E(ardFile)-.1 E
(Allo)153 470.4 Q 2.5(wg)-.25 G(roup writable)-2.5 E F2(.forwar)2.5 E(d)
-.37 E F1(\214les.)2.5 E(GroupWritableF)117 486.6 Q(orw)-.15 E
(ardFileSafe)-.1 E(Accept group-writable)153 498.6 Q F2(.forwar)2.5 E(d)
-.37 E F1(\214les as safe for program and \214le deli)2.5 E -.15(ve)-.25
G(ry).15 E(.)-.65 E(GroupWritableIncludeFile)117 514.8 Q(Allo)153 526.8
Q 2.5(wg)-.25 G(roup writable)-2.5 E F2(:include:)2.5 E F1(\214les.)2.5
E(GroupWritableIncludeFileSafe)117 543 Q(Accept group-writable)153 555 Q
F2(:include:)2.5 E F1(\214les as safe for program and \214le deli)2.5 E
-.15(ve)-.25 G(ry).15 E(.)-.65 E(GroupWritableSASLDBFile)117 571.2 Q
(Accept a group-writable Cyrus SASL passw)153 583.2 Q(ord \214le.)-.1 E
(HelpFileInUnsafeDirP)117 599.4 Q(ath)-.15 E(Allo)153 611.4 Q 2.5(wt)
-.25 G(he \214le named in the)-2.5 E F0(HelpFile)2.5 E F1
(option to be in an unsafe directory)2.5 E(.)-.65 E
(IncludeFileInGroupWritableDirP)117 627.6 Q(ath)-.15 E(Allo)153 639.6 Q
(w)-.25 E F2(:include:)2.5 E F1(\214les in group writable directories.)
2.5 E(IncludeFileInUnsafeDirP)117 655.8 Q(ath)-.15 E(Allo)153 667.8 Q(w)
-.25 E F2(:include:)2.5 E F1(\214les in unsafe directories.)2.5 E
(IncludeFileInUnsafeDirP)117 684 Q(athSafe)-.15 E(Allo)153 696 Q 3.705
(wa)-.25 G F2(:include:)A F1 1.206
(\214le that is in an unsafe directory to include references to program)
3.705 F(and \214les.)153 708 Q 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-35)195.86 E/F1 10/Times-Roman@0 SF(Insuf)117 96 Q
(\214cientEntrop)-.25 E(y)-.1 E -.35(Tr)153 108 S 3.213(yt).35 G 3.213
(ou)-3.213 G .713(se ST)-3.213 F(AR)-.93 E .713(TTLS e)-.6 F -.15(ve)
-.25 G 3.213(ni).15 G 3.213(ft)-3.213 G .713
(he PRNG for OpenSSL is not properly seeded despite)-3.213 F
(the security problems.)153 120 Q(Link)117 136.2 Q
(edAliasFileInWritableDir)-.1 E(Allo)153 148.2 Q 2.5(wa)-.25 G 2.5(na)
-2.5 G(lias \214le that is a link in a writable directory)-2.5 E(.)-.65
E(Link)117 164.4 Q(edClassFileInWritableDir)-.1 E(Allo)153 176.4 Q 2.5
(wc)-.25 G(lass \214les that are links in writable directories.)-2.5 E
(Link)117 192.6 Q(edF)-.1 E(orw)-.15 E(ardFileInWritableDir)-.1 E(Allo)
153 204.6 Q(w)-.25 E/F2 10/Times-Italic@0 SF(.forwar)2.5 E(d)-.37 E F1
(\214les that are links in writable directories.)2.5 E(Link)117 220.8 Q
(edIncludeFileInWritableDir)-.1 E(Allo)153 232.8 Q(w)-.25 E F2
(:include:)2.5 E F1(\214les that are links in writable directories.)2.5
E(Link)117 249 Q(edMapInWritableDir)-.1 E(Allo)153 261 Q 2.684(wm)-.25 G
.184(ap \214les that are links in writable directories.)-2.684 F .185
(This includes alias database \214les.)5.185 F(Link)117 277.2 Q
(edServiceSwitchFileInWritableDir)-.1 E(Allo)153 289.2 Q 2.5(wt)-.25 G
(he service switch \214le to be a link e)-2.5 E -.15(ve)-.25 G 2.5(ni)
.15 G 2.5(ft)-2.5 G(he directory is writable.)-2.5 E(MapInUnsafeDirP)117
305.4 Q(ath)-.15 E(Allo)153 317.4 Q 2.97(wm)-.25 G .47(aps \(e.g.,)-2.97
F F2(hash)2.97 E F1(,)A F2(btr)2.97 E(ee)-.37 E F1 2.97(,a)C(nd)-2.97 E
F2(dbm)2.97 E F1 .47(\214les\) in unsafe directories.)2.97 F .47
(This includes alias)5.47 F(database \214les.)153 329.4 Q
(NonRootSafeAddr)117 345.6 Q .484(Do not mark \214le and program deli)
153 357.6 R -.15(ve)-.25 G .485
(ries as unsafe if sendmail is not running with root).15 F(pri)153 369.6
Q(vile)-.25 E(ges.)-.15 E(RunProgramInUnsafeDirP)117 385.8 Q(ath)-.15 E
(Run programs that are in writable directories without logging a w)153
397.8 Q(arning.)-.1 E(RunWritableProgram)117 414 Q
(Run programs that are group- or w)153 426 Q
(orld-writable without logging a w)-.1 E(arning.)-.1 E -.35(Tr)117 442.2
S(ustStick).35 E(yBit)-.15 E(Allo)153 454.2 Q 3.406(wg)-.25 G .906
(roup or w)-3.406 F .905(orld writable directories if the stick)-.1 F
3.405(yb)-.15 G .905(it is set on the directory)-3.405 F 5.905(.D)-.65 G
(o)-5.905 E(not set this on systems which do not honor the stick)153
466.2 Q 2.5(yb)-.15 G(it on directories.)-2.5 E -.8(Wo)117 482.4 S
(rldWritableAliasFile).8 E(Accept w)153 494.4 Q
(orld-writable alias \214les.)-.1 E -.8(Wo)117 510.6 S(rldWritableF).8 E
(orw)-.15 E(ard\214le)-.1 E(Allo)153 522.6 Q 2.5(ww)-.25 G
(orld writable)-2.6 E F2(.forwar)2.5 E(d)-.37 E F1(\214les.)2.5 E -.8
(Wo)117 538.8 S(rldWritableInclude\214le).8 E(Allo)153 550.8 Q 2.5(ww)
-.25 G(orld writable)-2.6 E F2(:include:)2.5 E F1(\214les.)2.5 E
(WriteMapT)117 567 Q(oHardLink)-.8 E(Allo)153 579 Q 2.5(ww)-.25 G
(rites to maps that are hard links.)-2.5 E(WriteMapT)117 595.2 Q
(oSymLink)-.8 E(Allo)153 607.2 Q 2.5(ww)-.25 G
(rites to maps that are symbolic links.)-2.5 E(WriteStatsT)117 623.4 Q
(oHardLink)-.8 E(Allo)153 635.4 Q 2.5(wt)-.25 G
(he status \214le to be a hard link.)-2.5 E(WriteStatsT)117 651.6 Q
(oSymLink)-.8 E(Allo)153 663.6 Q 2.5(wt)-.25 G
(he status \214le to be a symbolic link.)-2.5 E F0 2.5(4.10. Connection)
87 687.6 R(Caching)2.5 E F1 .642(When processing the queue,)127 703.8 R
F2(sendmail)3.142 E F1 .642(will try to k)3.142 F .642(eep the last fe)
-.1 F 3.142(wo)-.25 G .642(pen connections open to)-3.142 F -.2(avo)102
715.8 S(id startup and shutdo).2 E(wn costs.)-.25 E
(This only applies to IPC and LPC connections.)5 E 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-36 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF .286
(When trying to open a connection the cache is \214rst searched.)127 96
R .286(If an open connection is found,)5.286 F 1.033
(it is probed to see if it is still acti)102 108 R 1.333 -.15(ve b)-.25
H 3.533(ys).15 G 1.033(ending a)-3.533 F/F2 9/Times-Roman@0 SF(RSET)
3.533 E F1 3.534(command. It)3.534 F 1.034(is not an error if this f)
3.534 F(ails;)-.1 E(instead, the connection is closed and reopened.)102
120 Q -1 -.8(Tw o)127 136.2 T .408
(parameters control the connection cache.)3.708 F(The)5.408 E F0
(ConnectionCacheSize)2.908 E F1(\()2.908 E F0(k)A F1 2.908(\)o)C .408
(ption de\214nes)-2.908 F .145
(the number of simultaneous open connections that will be permitted.)102
148.2 R .145(If it is set to zero, connections)5.145 F .213
(will be closed as quickly as possible.)102 160.2 R .212(The def)5.212 F
.212(ault is one.)-.1 F .212(This should be set as appropriate for your)
5.212 F .629
(system size; it will limit the amount of system resources that)102
172.2 R/F3 10/Times-Italic@0 SF(sendmail)3.13 E F1 .63
(will use during queue runs.)3.13 F(Ne)102 184.2 Q -.15(ve)-.25 G 2.5
(rs).15 G(et this higher than 4.)-2.5 E(The)127 200.4 Q F0
(ConnectionCacheT)2.741 E(imeout)-.18 E F1(\()2.741 E F0(K)A F1 2.741
(\)o)C .241(ption speci\214es the maximum time that an)-2.741 F 2.741
(yc)-.15 G .24(ached con-)-2.741 F .899
(nection will be permitted to idle.)102 212.4 R .899
(When the idle time e)5.899 F .9(xceeds this v)-.15 F .9
(alue the connection is closed.)-.25 F .34
(This number should be small \(under ten minutes\) to pre)102 224.4 R
-.15(ve)-.25 G .34(nt you from grabbing too man).15 F 2.84(yr)-.15 G
(esources)-2.84 E(from other hosts.)102 236.4 Q(The def)5 E
(ault is \214v)-.1 E 2.5(em)-.15 G(inutes.)-2.5 E F0 2.5(4.11. Name)87
260.4 R(Ser)2.5 E -.1(ve)-.1 G 2.5(rA).1 G(ccess)-2.5 E F1 .103
(Control of host address lookups is set by the)127 276.6 R F0(hosts)
2.604 E F1 .104(service entry in your service switch \214le.)2.604 F(If)
5.104 E .99(you are on a system that has b)102 288.6 R .99
(uilt-in service switch support \(e.g., Ultrix, Solaris, or DEC OSF/1\))
-.2 F .335(then your system is probably con\214gured properly already)
102 300.6 R 5.335(.O)-.65 G(therwise,)-5.335 E F3(sendmail)2.836 E F1
.336(will consult the \214le)2.836 F F0(/etc/mail/ser)102 312.6 Q
(vice.switch)-.1 E F1 4.902(,w)C 2.402(hich should be created.)-4.902 F
F3(Sendmail)7.402 E F1 2.402(only uses tw)4.902 F 4.902(oe)-.1 G
(ntries:)-4.902 E F0(hosts)4.901 E F1(and)4.901 E F0(aliases)102 324.6 Q
F1 2.745(,a)C .246
(lthough system routines may use other services \(notably the)-2.745 F
F0(passwd)2.746 E F1 .246(service for user name)2.746 F(lookups by)102
336.6 Q F3 -.1(ge)2.5 G(tpwname).1 E F1(\).)A(Ho)127 352.8 Q(we)-.25 E
-.15(ve)-.25 G 1.511 -.4(r, s).15 H .711
(ome systems \(such as SunOS 4.X\) will do DNS lookups re).4 F -.05(ga)
-.15 G .71(rdless of the setting).05 F 1.028
(of the service switch entry)102 364.8 R 6.028(.I)-.65 G 3.529(np)-6.028
G(articular)-3.529 E 3.529(,t)-.4 G 1.029(he system routine)-3.529 F F3
-.1(ge)3.529 G(thostbyname).1 E F1 1.029(\(3\) is used to look up)B
1.869(host names, and man)102 376.8 R 4.369(yv)-.15 G 1.869(endor v)
-4.519 F 1.869
(ersions try some combination of DNS, NIS, and \214le lookup in)-.15 F
1.73(/etc/hosts without consulting a service switch.)102 388.8 R F3
(Sendmail)6.731 E F1(mak)4.231 E 1.731(es no attempt to w)-.1 F 1.731
(ork around this)-.1 F .368(problem, and the DNS lookup will be done an)
102 400.8 R(yw)-.15 E(ay)-.1 E 5.368(.I)-.65 G 2.868(fy)-5.368 G .367
(ou do not ha)-2.868 F .667 -.15(ve a n)-.2 H(ameserv).15 E .367
(er con\214gured at)-.15 F .464(all, such as at a UUCP-only site,)102
412.8 R F3(sendmail)2.964 E F1 .464
(will get a \231connection refused\232 message when it tries to)2.964 F
.424(connect to the name serv)102 424.8 R(er)-.15 E 5.424(.I)-.55 G
2.924(ft)-5.424 G(he)-2.924 E F0(hosts)2.924 E F1 .423
(switch entry has the service \231dns\232 listed some)2.924 F .423
(where in the)-.25 F(list,)102 436.8 Q F3(sendmail)3.312 E F1 .813
(will interpret this to mean a temporary f)3.313 F .813
(ailure and will queue the mail for later pro-)-.1 F
(cessing; otherwise, it ignores the name serv)102 448.8 Q(er data.)-.15
E .673(The same technique is used to decide whether to do MX lookups.)
127 465 R .672(If you w)5.672 F .672(ant MX support,)-.1 F(you)102 477 Q
F3(must)2.5 E F1(ha)2.5 E .3 -.15(ve \231)-.2 H
(dns\232 listed as a service in the).15 E F0(hosts)2.5 E F1
(switch entry)2.5 E(.)-.65 E(The)127 493.2 Q F0(Resolv)3.869 E
(erOptions)-.1 E F1(\()3.869 E F0(I)A F1 3.869(\)o)C 1.369(ption allo)
-3.869 F 1.369(ws you to tweak name serv)-.25 F 1.369(er options.)-.15 F
1.37(The command)6.37 F .892(line tak)102 505.2 R .892
(es a series of \215ags as documented in)-.1 F F3 -.37(re)3.392 G
(solver).37 E F1 .892(\(3\) \(with the leading \231RES_\232 deleted\).)B
(Each)5.892 E(can be preceded by an optional `+' or `)102 517.2 Q/F4 10
/Symbol SF(-)A F1 2.5('. F)B(or e)-.15 E(xample, the line)-.15 E 2.5(OR)
142 533.4 S(esolv)-2.5 E(erOptions=+AA)-.15 E(ONL)-.55 E(Y)-1 E F4(-)2.5
E F1(DNSRCH)A .861(turns on the AA)102 549.6 R(ONL)-.55 E 3.361(Y\()-1 G
.861(accept authoritati)-3.361 F 1.161 -.15(ve a)-.25 H .861
(nswers only\) and turns of).15 F 3.362(ft)-.25 G .862
(he DNSRCH \(search the)-3.362 F 2.039(domain path\) options.)102 561.6
R 2.039(Most resolv)7.039 F 2.039(er libraries def)-.15 F 2.039
(ault DNSRCH, DEFN)-.1 F 2.039(AMES, and RECURSE)-.35 F .393
(\215ags on and all others of)102 573.6 R 2.894(f. If)-.25 F .394
(NETINET6 is enabled, most libraries def)2.894 F .394
(ault to USE_INET6 as well.)-.1 F -1.1(Yo)102 585.6 S 3.749(uc)1.1 G
1.249(an also include \231HasW)-3.749 F 1.248
(ildcardMX\232 to specify that there is a wildcard MX record matching)
-.4 F .224(your domain; this turns of)102 597.6 R 2.724(fM)-.25 G 2.724
(Xm)-2.724 G .224
(atching when canonifying names, which can lead to inappropriate)-2.724
F 5.249(canoni\214cations. Use)102 609.6 R<9957>5.249 E(orkAroundBrok)
-.8 E 2.749(enAAAA\232 when f)-.1 F 2.749(aced with a brok)-.1 F 2.749
(en nameserv)-.1 F 2.748(er that)-.15 F .564(returns SER)102 621.6 R(VF)
-.8 E .564(AIL \(a temporary f)-.74 F .565
(ailure\) on T_AAAA \(IPv6\) lookups during hostname canoni\214ca-)-.1 F
2.5(tion. Notice:)102 633.6 R
(it might be necessary to apply the same \(or similar\) options to)2.5 E
F3(submit.cf)2.5 E F1(too.)2.5 E -1.11(Ve)127 649.8 S 1.733(rsion le)
1.11 F -.15(ve)-.25 G 4.233(l1c).15 G 1.733
(on\214gurations \(see the section about `)-4.233 F 1.732
(`Con\214guration V)-.74 F 1.732(ersion Le)-1.11 F -.15(ve)-.25 G(l').15
E 1.732('\) turn)-.74 F .842(DNSRCH and DEFN)102 661.8 R .842(AMES of)
-.35 F 3.342(fw)-.25 G .842(hen doing deli)-3.342 F -.15(ve)-.25 G .842
(ry lookups, b).15 F .842(ut lea)-.2 F 1.143 -.15(ve t)-.2 H .843
(hem on e).15 F -.15(ve)-.25 G .843(rywhere else.).15 F -1.11(Ve)102
673.8 S 1.043(rsion 8 of)1.11 F F3(sendmail)3.543 E F1 1.043(ignores th\
em when doing canoni\214cation lookups \(that is, when using $[ ...)
3.543 F .391($]\), and al)102 685.8 R -.1(wa)-.1 G .391
(ys does the search.).1 F .392(If you don')5.391 F 2.892(tw)-.18 G .392
(ant to do automatic name e)-2.992 F .392(xtension, don')-.15 F 2.892
(tc)-.18 G .392(all $[ ...)-2.892 F($].)102 697.8 Q 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-37)195.86 E/F1 10/Times-Roman@0 SF .486
(The search rules for $[ ... $] are some)127 96 R .485(what dif)-.25 F
.485(ferent than usual.)-.25 F .485(If the name being look)5.485 F .485
(ed up)-.1 F .109(has at least one dot, it al)102 108 R -.1(wa)-.1 G
.109(ys tries the unmodi\214ed name \214rst.).1 F .11(If that f)5.11 F
.11(ails, it tries the reduced search)-.1 F .124
(path, and lastly tries the unmodi\214ed name \(b)102 120 R .124
(ut only for names without a dot, since names with a dot)-.2 F(ha)102
132 Q .788 -.15(ve a)-.2 H .488(lready been tried\).).15 F .488
(This allo)5.488 F .489(ws names such as `)-.25 F(`utc.CS')-.74 E 2.989
('t)-.74 G 2.989(om)-2.989 G .489(atch the site in Czechoslo)-2.989 F
-.25(va)-.15 G(kia).25 E 1.588
(rather than the site in your local Computer Science department.)102 144
R 1.587(It also prefers A and CN)6.587 F(AME)-.35 E .512(records o)102
156 R -.15(ve)-.15 G 3.012(rM).15 G 3.012(Xr)-3.012 G .512
(ecords \212 that is, if it \214nds an MX record it mak)-3.012 F .513
(es note of it, b)-.1 F .513(ut k)-.2 F .513(eeps looking.)-.1 F 1.542
(This w)102 168 R(ay)-.1 E 4.042(,i)-.65 G 4.042(fy)-4.042 G 1.541
(ou ha)-4.042 F 1.841 -.15(ve a w)-.2 H 1.541
(ildcard MX record matching your domain, it will not assume that all).15
F(names match.)102 180 Q 3.453 -.8(To c)127 196.2 T 1.853
(ompletely turn of).8 F 4.353(fa)-.25 G 1.853(ll name serv)-4.353 F
1.853(er access on systems without service switch support)-.15 F .942
(\(such as SunOS 4.X\) you will ha)102 208.2 R 1.242 -.15(ve t)-.2 H
3.441(or).15 G .941(ecompile with \255DN)-3.441 F .941
(AMED_BIND=0 and remo)-.35 F 1.241 -.15(ve \255)-.15 H(lresolv).15 E
(from the list of libraries to be searched when linking.)102 220.2 Q F0
2.5(4.12. Mo)87 244.2 R(ving the P)-.1 E(er)-.2 E(-User F)-.37 E
(orward Files)-.25 E F1 .772(Some sites mount each user')127 260.4 R
3.272(sh)-.55 G .772(ome directory from a local disk on their w)-3.272 F
.772(orkstation, so that)-.1 F .615(local access is f)102 272.4 R 3.114
(ast. Ho)-.1 F(we)-.25 E -.15(ve)-.25 G 1.414 -.4(r, t).15 H .614
(he result is that .forw).4 F .614
(ard \214le lookups from a central mail serv)-.1 F .614(er are)-.15 F
(slo)102 284.4 Q 5.534 -.65(w. I)-.25 H 4.234(ns).65 G 1.734
(ome cases, mail can e)-4.234 F -.15(ve)-.25 G 4.234(nb).15 G 4.234(ed)
-4.234 G(eli)-4.234 E -.15(ve)-.25 G 1.734
(red on machines inappropriately because of a \214le).15 F(serv)102
296.4 Q(er being do)-.15 E 2.5(wn. The)-.25 F
(performance can be especially bad if you run the automounter)2.5 E(.)
-.55 E(The)127 312.6 Q F0 -.25(Fo)2.744 G(rwardP).25 E(ath)-.1 E F1(\()
2.744 E F0(J)A F1 2.743(\)o)C .243(ption allo)-2.743 F .243
(ws you to set a path of forw)-.25 F .243(ard \214les.)-.1 F -.15(Fo)
5.243 G 2.743(re).15 G .243(xample, the con-)-2.893 F(\214g \214le line)
102 324.6 Q 2.5(OF)142 340.8 S(orw)-2.65 E(ardP)-.1 E(ath=/v)-.15 E
(ar/forw)-.25 E(ard/$u:$z/.forw)-.1 E(ard.$w)-.1 E -.1(wo)102 357 S .207
(uld \214rst look for a \214le with the same name as the user').1 F
2.708(sl)-.55 G .208(ogin in /v)-2.708 F(ar/forw)-.25 E .208
(ard; if that is not found)-.1 F 1.171
(\(or is inaccessible\) the \214le `)102 369 R(`.forw)-.74 E(ard.)-.1 E
/F2 10/Times-Italic@0 SF(mac)A(hinename)-.15 E F1 2.651 -.74('' i)D
3.671(nt).74 G 1.171(he user')-3.671 F 3.671(sh)-.55 G 1.17
(ome directory is searched.)-3.671 F(A)6.17 E(truly perv)102 381 Q
(erse site could also search by sender by using $r)-.15 E 2.5(,$)-.4 G
(s, or $f.)-2.5 E .69(If you create a directory such as /v)127 397.2 R
(ar/forw)-.25 E .69(ard, it should be mode 1777 \(that is, the stick)-.1
F 3.19(yb)-.15 G(it)-3.19 E .109(should be set\).)102 409.2 R .109
(Users should create the \214les mode 0644.)5.109 F .108
(Note that you must use the F)5.109 F(orw)-.15 E(ardFileIn-)-.1 E
(UnsafeDirP)102 421.2 Q .392(ath and F)-.15 F(orw)-.15 E
(ardFileInUnsafeDirP)-.1 E .392(athSafe \215ags with the)-.15 F F0
(DontBlameSendmail)2.893 E F1 .393(option to)2.893 F(allo)102 433.2 Q
3.782(wf)-.25 G(orw)-3.782 E 1.282(ard \214les in a w)-.1 F 1.281
(orld writable directory)-.1 F 6.281(.T)-.65 G 1.281
(his might also be used as a denial of service)-6.281 F 2.351
(attack \(users could create forw)102 445.2 R 2.351
(ard \214les for other users\); a better approach might be to create)-.1
F(/v)102 457.2 Q(ar/forw)-.25 E 1.086
(ard mode 0755 and create empty \214les for each user)-.1 F 3.586(,o)-.4
G 1.086(wned by that user)-3.836 F 3.586(,m)-.4 G 1.086(ode 0644.)-3.586
F(If)6.086 E(you do this, you don')102 469.2 Q 2.5(th)-.18 G -2.25 -.2
(av e)-2.5 H(to set the DontBlameSendmail options indicated abo)2.7 E
-.15(ve)-.15 G(.).15 E F0 2.5(4.13. Fr)87 493.2 R(ee Space)-.18 E F1
1.405(On systems that ha)127 509.4 R 1.705 -.15(ve o)-.2 H 1.405
(ne of the system calls in the).15 F F2(statfs)3.906 E F1 1.406(\(2\) f)
B 1.406(amily \(including)-.1 F F2(statvfs)3.906 E F1(and)3.906 E F2
(ustat)102 521.4 Q F1 .839(\), you can specify a minimum number of free\
 blocks on the queue \214lesystem using the)B F0(Min-)3.339 E(Fr)102
533.4 Q(eeBlocks)-.18 E F1(\()2.553 E F0(b)A F1 2.553(\)o)C 2.553
(ption. If)-2.553 F .053(there are fe)2.553 F .053
(wer than the indicated number of blocks free on the \214lesystem)-.25 F
1.355(on which the queue is mounted the SMTP serv)102 545.4 R 1.355
(er will reject mail with the 452 error code.)-.15 F(This)6.354 E(in)102
557.4 Q(vites the SMTP client to try ag)-.4 E(ain later)-.05 E(.)-.55 E
(Be)127 573.6 Q -.1(wa)-.25 G .746(re of setting this option too high; \
it can cause rejection of email when that mail w).1 F(ould)-.1 E
(be processed without dif)102 585.6 Q(\214culty)-.25 E(.)-.65 E F0 2.5
(4.14. Maximum)87 609.6 R(Message Size)2.5 E F1 2.078 -.8(To a)127 625.8
T -.2(vo).6 G .478(id o).2 F -.15(ve)-.15 G(r\215o).15 E .478
(wing your system with a lar)-.25 F .478(ge message, the)-.18 F F0
(MaxMessageSize)2.977 E F1 .477(option can be)2.977 F .692
(set to set an absolute limit on the size of an)102 637.8 R 3.193(yo)
-.15 G .693(ne message.)-3.193 F .693(This will be adv)5.693 F .693
(ertised in the ESMTP)-.15 F(dialogue and check)102 649.8 Q
(ed during message collection.)-.1 E F0 2.5(4.15. Pri)87 673.8 R -.1(va)
-.1 G(cy Flags).1 E F1(The)127 690 Q F0(Pri)2.96 E -.1(va)-.1 G
(cyOptions).1 E F1(\()2.96 E F0(p)A F1 2.96(\)o)C .46(ption allo)-2.96 F
.46(ws you to set certain `)-.25 F(`pri)-.74 E -.25(va)-.25 G -.15(cy)
.25 G 1.94 -.74('' \215).15 H 2.96(ags. Actually).74 F 2.96(,m)-.65 G
(an)-2.96 E 2.96(yo)-.15 G(f)-2.96 E .533(them don')102 702 R 3.033(tg)
-.18 G -2.15 -.25(iv e)-3.033 H .533(you an)3.283 F 3.034(ye)-.15 G .534
(xtra pri)-3.184 F -.25(va)-.25 G -.15(cy).25 G 3.034(,r)-.5 G .534
(ather just insisting that client SMTP serv)-3.034 F .534
(ers use the HELO)-.15 F 2.87
(command before using certain commands or adding e)102 714 R 2.87
(xtra headers to indicate possible spoof)-.15 F 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-38 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF
(attempts.)102 96 Q .123(The option tak)127 112.2 R .124
(es a series of \215ag names; the \214nal pri)-.1 F -.25(va)-.25 G .424
-.15(cy i).25 H 2.624(st).15 G .124(he inclusi)-2.624 F .424 -.15(ve o)
-.25 H 2.624(ro).15 G 2.624(ft)-2.624 G .124(hose \215ags.)-2.624 F -.15
(Fo)5.124 G(r).15 E -.15(ex)102 124.2 S(ample:).15 E 2.5(OP)142 140.4 S
(ri)-2.5 E -.25(va)-.25 G -.15(cy).25 G(Options=needmailhelo, noe).15 E
(xpn)-.15 E .928(insists that the HELO or EHLO command be used before a\
 MAIL command is accepted and dis-)102 156.6 R(ables the EXPN command.)
102 168.6 Q(The \215ags are detailed in section 5.6.)127 184.8 Q F0 2.5
(4.16. Send)87 208.8 R(to Me T)2.5 E(oo)-.92 E F1(Be)127 225 Q 1.074
(ginning with v)-.15 F 1.074(ersion 8.10,)-.15 F/F2 10/Times-Italic@0 SF
(sendmail)3.574 E F1 1.075(includes by def)3.574 F 1.075(ault the \(en)
-.1 F -.15(ve)-.4 G 1.075(lope\) sender in an).15 F 3.575(yl)-.15 G(ist)
-3.575 E -.15(ex)102 237 S 3.465(pansions. F).15 F .965(or e)-.15 F .964
(xample, if \231matt\232 sends to a list that contains \231matt\232 as \
one of the members he)-.15 F .227(will get a cop)102 249 R 2.727(yo)-.1
G 2.727(ft)-2.727 G .227(he message.)-2.727 F .227(If the)5.227 F F0
(MeT)2.728 E(oo)-.92 E F1 .228(option is set to)2.728 F/F3 9
/Times-Roman@0 SF -.666(FA)2.728 G(LSE).666 E F1 .228
(\(in the con\214guration \214le or via)2.728 F 1.023
(the command line\), this beha)102 261 R 1.023
(vior is changed, i.e., the \(en)-.2 F -.15(ve)-.4 G 1.022
(lope\) sender is e).15 F 1.022(xcluded in list e)-.15 F(xpan-)-.15 E
(sions.)102 273 Q F0 2.5(5. THE)72 297 R(WHOLE SCOOP ON THE CONFIGURA)
2.5 E(TION FILE)-.95 E F1
(This section describes the con\214guration \214le in detail.)112 313.2
Q .648(There is one point that should be made clear immediately: the sy\
ntax of the con\214guration \214le is)112 329.4 R 1.077
(designed to be reasonably easy to parse, since this is done e)87 341.4
R -.15(ve)-.25 G 1.076(ry time).15 F F2(sendmail)3.576 E F1 1.076
(starts up, rather than)3.576 F .302(easy for a human to read or write.)
87 353.4 R .303(The con\214guration \214le should be generated via the \
method described)5.302 F(in)87 365.4 Q F0(cf/README)3.658 E F1 3.658(,i)
C 3.658(ts)-3.658 G 1.158
(hould not be edited directly unless someone is f)-3.658 F 1.157
(amiliar with the internals of the)-.1 F
(syntax described here and it is not possible to achie)87 377.4 Q .3
-.15(ve t)-.25 H(he desired result via the def).15 E(ault method.)-.1 E
.243(The con\214guration \214le is or)112 393.6 R -.05(ga)-.18 G .243
(nized as a series of lines, each of which be).05 F .243
(gins with a single charac-)-.15 F .102
(ter de\214ning the semantics for the rest of the line.)87 405.6 R .102
(Lines be)5.102 F .102(ginning with a space or a tab are continuation)
-.15 F 1.322
(lines \(although the semantics are not well de\214ned in man)87 417.6 R
3.823(yp)-.15 G 3.823(laces\). Blank)-3.823 F 1.323(lines and lines be)
3.823 F(ginning)-.15 E(with a sharp symbol \(`#'\) are comments.)87
429.6 Q F0 2.5(5.1. R)87 453.6 R(and S \212 Rewriting Rules)2.5 E F1
.466(The core of address parsing are the re)127 469.8 R .466
(writing rules.)-.25 F .465(These are an ordered production system.)
5.466 F F2(Sendmail)102 481.8 Q F1 .19(scans through the set of re)2.69
F .19
(writing rules looking for a match on the left hand side \(LHS\) of)-.25
F(the rule.)102 493.8 Q(When a rule matches, the address is replaced by\
 the right hand side \(RHS\) of the rule.)5 E .922(There are se)127 510
R -.15(ve)-.25 G .922(ral sets of re).15 F .921(writing rules.)-.25 F
.921(Some of the re)5.921 F .921(writing sets are used internally and)
-.25 F .359(must ha)102 522 R .659 -.15(ve s)-.2 H .359
(peci\214c semantics.).15 F .359(Other re)5.359 F .359
(writing sets do not ha)-.25 F .659 -.15(ve s)-.2 H .36
(peci\214cally assigned semantics, and).15 F
(may be referenced by the mailer de\214nitions or by other re)102 534 Q
(writing sets.)-.25 E(The syntax of these tw)127 550.2 Q 2.5(oc)-.1 G
(ommands are:)-2.5 E F0(S)142 566.4 Q F2(n)A F1 .249
(Sets the current ruleset being collected to)102 582.6 R F2(n)2.749 E F1
5.249(.I)C 2.748(fy)-5.249 G .248(ou be)-2.748 F .248
(gin a ruleset more than once it appends to the)-.15 F
(old de\214nition.)102 594.6 Q F0(R)142 610.8 Q F2(lhs rhs comments)A F1
1.185(The \214elds must be separated by at least one tab character; the\
re may be embedded spaces in the)102 627 R 2.595(\214elds. The)102 639 R
F2(lhs)2.595 E F1 .095(is a pattern that is applied to the input.)2.595
F .095(If it matches, the input is re)5.095 F .094(written to the)-.25 F
F2(rhs)2.594 E F1(.)A(The)102 651 Q F2(comments)2.5 E F1(are ignored.)
2.5 E .426(Macro e)127 667.2 R .426(xpansions of the form)-.15 F F0($)
2.926 E F2(x)A F1 .427
(are performed when the con\214guration \214le is read.)2.927 F 2.927
(Al)5.427 G(iteral)-2.927 E F0($)102 679.2 Q F1 .609
(can be included using)3.109 F F0($$)3.109 E F1 5.609(.E)C .609
(xpansions of the form)-5.609 F F0($&)3.109 E F2(x)A F1 .609
(are performed at run time using a some-)3.109 F .147
(what less general algorithm.)102 691.2 R .148(This is intended only fo\
r referencing internally de\214ned macros such as)5.148 F F0($h)102
703.2 Q F1(that are changed at runtime.)2.5 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-39)195.86 E 2.5(5.1.1. The)102 96 R(left hand side)2.5 E/F1 10
/Times-Roman@0 SF 2.771(The left hand side of re)142 112.2 R 2.771
(writing rules contains a pattern.)-.25 F 2.77(Normal w)7.771 F 2.77
(ords are simply)-.1 F(matched directly)117 124.2 Q 5(.M)-.65 G
(etasyntax is introduced using a dollar sign.)-5 E(The metasymbols are:)
5 E F0($*)157 140.4 Q F1(Match zero or more tok)10.14 E(ens)-.1 E F0($+)
157 152.4 Q F1(Match one or more tok)9.44 E(ens)-.1 E F0<24ad>157 164.4
Q F1(Match e)9.44 E(xactly one tok)-.15 E(en)-.1 E F0($=)157 176.4 Q/F2
10/Times-Italic@0 SF(x)A F1(Match an)5 E 2.5(yp)-.15 G(hrase in class)
-2.5 E F2(x)2.5 E F0($~)157 188.4 Q F2(x)A F1(Match an)7.37 E 2.5(yw)
-.15 G(ord not in class)-2.6 E F2(x)2.5 E F1 .131(If an)117 204.6 R
2.631(yo)-.15 G 2.631(ft)-2.631 G .131(hese match, the)-2.631 F 2.631
(ya)-.15 G .132(re assigned to the symbol)-2.631 F F0($)2.632 E F2(n)A
F1 .132(for replacement on the right hand side,)2.632 F(where)117 216.6
Q F2(n)2.5 E F1(is the inde)2.5 E 2.5(xi)-.15 G 2.5(nt)-2.5 G(he LHS.)
-2.5 E -.15(Fo)5 G 2.5(re).15 G(xample, if the LHS:)-2.65 E($\255:$+)157
232.8 Q(is applied to the input:)117 249 Q(UCB)157 265.2 Q(ARP)-.35 E
(A:eric)-.92 E(the rule will match, and the v)117 281.4 Q
(alues passed to the RHS will be:)-.25 E 7.5($1 UCB)157 297.6 R(ARP)-.35
E(A)-.92 E 7.5($2 eric)157 309.6 R(Additionally)142 330 Q 2.705(,t)-.65
G .204(he LHS can include)-2.705 F F0($@)2.704 E F1 .204
(to match zero tok)2.704 F 2.704(ens. This)-.1 F(is)2.704 E F2(not)2.704
E F1 .204(bound to a)2.704 F F0($)2.704 E F2(n)A F1(on)2.704 E(the RHS,\
 and is normally only used when it stands alone in order to match the n\
ull input.)117 342 Q F0 2.5(5.1.2. The)102 366 R(right hand side)2.5 E
F1 .648(When the left hand side of a re)142 382.2 R .649
(writing rule matches, the input is deleted and replaced by)-.25 F 1.037
(the right hand side.)117 394.2 R -.8(To)6.037 G -.1(ke).8 G 1.036
(ns are copied directly from the RHS unless the).1 F 3.536(yb)-.15 G
-.15(eg)-3.536 G 1.036(in with a dollar).15 F 2.5(sign. Metasymbols)117
406.2 R(are:)2.5 E F0($)157 422.4 Q F2(n)A F1
(Substitute inde\214nite tok)40.55 E(en)-.1 E F2(n)2.5 E F1(from LHS)2.5
E F0($[)157 434.4 Q F2(name)A F0($])A F1(Canonicalize)12.23 E F2(name)
2.5 E F0($\()157 446.4 Q F2(map k)A -.3(ey)-.1 G F0($@)2.8 E F2(ar)A
(guments)-.37 E F0($:)2.5 E F2(default)A F0($\))2.5 E F1(Generalized k)
207.55 458.4 Q -.15(ey)-.1 G(ed mapping function).15 E F0($>)157 470.4 Q
F2(n)A F1(\231Call\232 ruleset)34.85 E F2(n)2.5 E F0($#)157 482.4 Q F2
(mailer)A F1(Resolv)14.44 E 2.5(et)-.15 G(o)-2.5 E F2(mailer)2.5 E F0
($@)157 494.4 Q F2(host)A F1(Specify)19.58 E F2(host)2.5 E F0($:)157
506.4 Q F2(user)A F1(Specify)25 E F2(user)2.5 E F1(The)142 526.8 Q F0($)
3.136 E F2(n)A F1 .637(syntax substitutes the corresponding v)3.136 F
.637(alue from a)-.25 F F0($+)3.137 E F1(,)A F0<24ad>3.137 E F1(,)A F0
($*)3.137 E F1(,)A F0($=)3.137 E F1 3.137(,o)C(r)-3.137 E F0($~)3.137 E
F1 .637(match on)3.137 F(the LHS.)117 538.8 Q(It may be used an)5 E
(ywhere.)-.15 E 2.706(Ah)142 555 S .206(ost name enclosed between)-2.706
F F0($[)2.706 E F1(and)2.706 E F0($])2.706 E F1 .206(is look)2.706 F
.205(ed up in the host database\(s\) and replaced)-.1 F 1.683
(by the canonical name)117 569 R/F3 7/Times-Roman@0 SF(14)-4 I F1 6.683
(.F)4 K 1.683(or e)-6.833 F 1.683
(xample, \231$[ftp$]\232 might become \231ftp.CS.Berk)-.15 F(ele)-.1 E
-.65(y.)-.15 G 1.683(EDU\232 and).65 F 3.17
(\231$[[128.32.130.2]$]\232 w)117 581 R 3.17(ould become \231v)-.1 F
(angogh.CS.Berk)-.25 E(ele)-.1 E -.65(y.)-.15 G(EDU.).65 E<9a>-.7 E F2
(Sendmail)8.17 E F1 3.17(recognizes its)5.67 F
(numeric IP address without calling the name serv)117 593 Q
(er and replaces it with its canonical name.)-.15 E(The)142 609.2 Q F0
($\()3.003 E F1(...)3.003 E F0($\))5.503 E F1 .503(syntax is a more gen\
eral form of lookup; it uses a named map instead of an)3.003 F .81
(implicit map.)117 621.2 R .81(If no lookup is found, the indicated)5.81
F F2(default)3.309 E F1 .809(is inserted; if no def)3.309 F .809
(ault is speci\214ed)-.1 F .775(and no lookup matches, the v)117 633.2 R
.776(alue is left unchanged.)-.25 F(The)5.776 E F2(ar)3.276 E(guments)
-.37 E F1 .776(are passed to the map for)3.276 F(possible use.)117 645.2
Q(The)142 661.4 Q F0($>)2.62 E F2(n)A F1 .119(syntax causes the remaind\
er of the line to be substituted as usual and then passed)2.62 F .586
(as the ar)117 673.4 R .586(gument to ruleset)-.18 F F2(n)3.086 E F1
5.586(.T)C .586(he \214nal v)-5.586 F .586(alue of ruleset)-.25 F F2(n)
3.087 E F1 .587(then becomes the substitution for this)3.087 F .32 LW 76
683 72 683 DL 80 683 76 683 DL 84 683 80 683 DL 88 683 84 683 DL 92 683
88 683 DL 96 683 92 683 DL 100 683 96 683 DL 104 683 100 683 DL 108 683
104 683 DL 112 683 108 683 DL 116 683 112 683 DL 120 683 116 683 DL 124
683 120 683 DL 128 683 124 683 DL 132 683 128 683 DL 136 683 132 683 DL
140 683 136 683 DL 144 683 140 683 DL 148 683 144 683 DL 152 683 148 683
DL 156 683 152 683 DL 160 683 156 683 DL 164 683 160 683 DL 168 683 164
683 DL 172 683 168 683 DL 176 683 172 683 DL 180 683 176 683 DL 184 683
180 683 DL 188 683 184 683 DL 192 683 188 683 DL 196 683 192 683 DL 200
683 196 683 DL 204 683 200 683 DL 208 683 204 683 DL 212 683 208 683 DL
216 683 212 683 DL/F4 5/Times-Roman@0 SF(14)93.6 693.4 Q/F5 8
/Times-Roman@0 SF(This is actually completely equi)3.2 I -.2(va)-.2 G
(lent to $\(host).2 E/F6 8/Times-Italic@0 SF(hostname)2 E F5 2($\). In)B
(particular)2 E 2(,a)-.32 G/F7 8/Times-Bold@0 SF($:)A F5(def)2 E
(ault can be used.)-.08 E 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-40 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF 3.759
(rule. The)117 96 R F0($>)3.759 E F1 1.259(syntax e)3.759 F 1.259
(xpands e)-.15 F -.15(ve)-.25 G 1.259
(rything after the ruleset name to the end of the replacement).15 F .976
(string and then passes that as the initial input to the ruleset.)117
108 R(Recursi)5.976 E 1.277 -.15(ve c)-.25 H .977(alls are allo).15 F
3.477(wed. F)-.25 F(or)-.15 E -.15(ex)117 120 S(ample,).15 E($>0 $>3 $1)
157 136.2 Q -.15(ex)117 152.4 S(pands $1, passes that to ruleset 3, and\
 then passes the result of ruleset 3 to ruleset 0.).15 E(The)142 168.6 Q
F0($#)2.769 E F1 .268(syntax should)2.769 F/F2 10/Times-Italic@0 SF
(only)2.768 E F1 .268
(be used in ruleset zero, a subroutine of ruleset zero, or rulesets)
2.768 F .454(that return decisions \(e.g., check_rcpt\).)117 180.6 R
.455(It causes e)5.454 F -.25(va)-.25 G .455
(luation of the ruleset to terminate immedi-).25 F(ately)117 192.6 Q
2.565(,a)-.65 G .065(nd signals to)-2.565 F F2(sendmail)2.565 E F1 .065
(that the address has completely resolv)2.565 F 2.565(ed. The)-.15 F
.065(complete syntax for)2.565 F(ruleset 0 is:)117 204.6 Q F0($#)157
220.8 Q F2(mailer)A F0($@)2.5 E F2(host)A F0($:)2.5 E F2(user)A F1 .878
(This speci\214es the {mailer)117 237 R 3.378(,h)-.4 G .879
(ost, user} 3-tuple \(triple\) necessary to direct the mailer)-3.378 F
5.879(.N)-.55 G .879(ote: the)-5.879 F .122(third element \()117 249 R
F2(user)2.622 E F1 2.622(\)i)2.622 G 2.622(so)-2.622 G .122
(ften also called)-2.622 F F2(addr)2.622 E(ess)-.37 E F1 2.621(part. If)
2.622 F .121(the mailer is local the host part may be)2.621 F(omitted)
117 263 Q/F3 7/Times-Roman@0 SF(15)-4 I F1 5.968(.T)4 K(he)-5.968 E F2
(mailer)3.467 E F1 .967(must be a single w)3.467 F .967(ord, b)-.1 F
.967(ut the)-.2 F F2(host)3.467 E F1(and)3.467 E F2(user)3.467 E F1 .967
(may be multi-part.)3.467 F .967(If the)5.967 F F2(mailer)117 275 Q F1
1.118(is the b)3.618 F 1.119(uilt-in IPC mailer)-.2 F 3.619(,t)-.4 G(he)
-3.619 E F2(host)3.619 E F1 1.119
(may be a colon \(or comma\) separated list of hosts.)3.619 F .208
(Each is separately MX e)117 287 R .207
(xpanded and the results are concatenated to mak)-.15 F 2.707(e\()-.1 G
.207(essentially\) one long)-2.707 F .587(MX list.)117 299 R .587
(Hosts separated by a comma ha)5.587 F .887 -.15(ve t)-.2 H .588
(he same MX preference, and for each colon sepa-).15 F 1.492
(rated host the MX preference is increased.)117 311 R(The)6.491 E F2
(user)3.991 E F1 1.491(is later re)3.991 F 1.491(written by the mailer)
-.25 F(-speci\214c)-.2 E(en)117 323 Q -.15(ve)-.4 G .752(lope re).15 F
.752(writing set and assigned to the)-.25 F F0($u)3.252 E F1 3.253
(macro. As)3.252 F 3.253(as)3.253 G .753
(pecial case, if the mailer speci\214ed)-3.253 F .146(has the)117 335 R
F0(F=@)2.646 E F1 .146
(\215ag speci\214ed and the \214rst character of the)2.646 F F0($:)2.646
E F1 -.25(va)2.646 G .145
(lue is \231@\232, the \231@\232 is stripped of).25 F(f,)-.25 E(and a \
\215ag is set in the address descriptor that causes sendmail to not do \
ruleset 5 processing.)117 347 Q(Normally)142 363.2 Q 3.251(,ar)-.65 G
.751(ule that matches is retried, that is, the rule loops until it f)
-3.251 F 3.252(ails. A)-.1 F .752(RHS may)3.252 F 1.086
(also be preceded by a)117 375.2 R F0($@)3.586 E F1 1.085(or a)3.585 F
F0($:)3.585 E F1 1.085(to change this beha)3.585 F(vior)-.2 E 6.085(.A)
-.55 G F0($@)-2.5 E F1 1.085(pre\214x causes the ruleset to)3.585 F 1.46
(return with the remainder of the RHS as the v)117 387.2 R 3.96(alue. A)
-.25 F F0($:)3.96 E F1 1.46(pre\214x causes the rule to terminate)3.96 F
(immediately)117 399.2 Q 3.756(,b)-.65 G 1.256
(ut the ruleset to continue; this can be used to a)-3.956 F -.2(vo)-.2 G
1.256(id continued application of a).2 F 2.5(rule. The)117 411.2 R
(pre\214x is stripped before continuing.)2.5 E(The)142 427.4 Q F0($@)2.5
E F1(and)2.5 E F0($:)2.5 E F1(pre\214x)2.5 E(es may precede a)-.15 E F0
($>)2.5 E F1(spec; for e)2.5 E(xample:)-.15 E 20.19(R$+ $:)157 443.6 R
($>7 $1)2.5 E 1.256(matches an)117 459.8 R 1.256
(ything, passes that to ruleset se)-.15 F -.15(ve)-.25 G 1.256
(n, and continues; the).15 F F0($:)3.756 E F1 1.256(is necessary to a)
3.756 F -.2(vo)-.2 G 1.256(id an).2 F(in\214nite loop.)117 471.8 Q 1.205
(Substitution occurs in the order described, that is, parameters from t\
he LHS are substi-)142 488 R .219(tuted, hostnames are canonicalized, \
\231subroutines\232 are called, and \214nally)117 500 R F0($#)2.719 E F1
(,)A F0($@)2.719 E F1 2.72(,a)C(nd)-2.72 E F0($:)2.72 E F1 .22(are pro-)
2.72 F(cessed.)117 512 Q F0 2.5(5.1.3. Semantics)102 536 R(of r)2.5 E
(ewriting rule sets)-.18 E F1 1.848(There are six re)142 552.2 R 1.847
(writing sets that ha)-.25 F 2.147 -.15(ve s)-.2 H 1.847
(peci\214c semantics.).15 F(Fi)6.847 E 2.147 -.15(ve o)-.25 H 4.347(ft)
.15 G 1.847(hese are related as)-4.347 F(depicted by \214gure 1.)117
564.2 Q 1.029
(Ruleset three should turn the address into \231canonical form.)142
580.4 R 6.029<9a54>-.7 G 1.03(his form should ha)-6.029 F 1.33 -.15
(ve t)-.2 H(he).15 E(basic syntax:)117 592.4 Q
(local-part@host-domain-spec)157 608.6 Q(Ruleset three is applied by)117
624.8 Q F2(sendmail)2.5 E F1(before doing an)2.5 E(ything with an)-.15 E
2.5(ya)-.15 G(ddress.)-2.5 E .302
(If no \231@\232 sign is speci\214ed, then the host-domain-spec)142 641
R F2(may)2.801 E F1 .301(be appended \(box \231D\232 in Fig-)2.801 F
.577(ure 1\) from the sender address \(if the)117 653 R F0(C)3.077 E F1
.577(\215ag is set in the mailer de\214nition corresponding to the)3.077
F F2(sending)117 665 Q F1(mailer\).)2.5 E .32 LW 76 674.6 72 674.6 DL 80
674.6 76 674.6 DL 84 674.6 80 674.6 DL 88 674.6 84 674.6 DL 92 674.6 88
674.6 DL 96 674.6 92 674.6 DL 100 674.6 96 674.6 DL 104 674.6 100 674.6
DL 108 674.6 104 674.6 DL 112 674.6 108 674.6 DL 116 674.6 112 674.6 DL
120 674.6 116 674.6 DL 124 674.6 120 674.6 DL 128 674.6 124 674.6 DL 132
674.6 128 674.6 DL 136 674.6 132 674.6 DL 140 674.6 136 674.6 DL 144
674.6 140 674.6 DL 148 674.6 144 674.6 DL 152 674.6 148 674.6 DL 156
674.6 152 674.6 DL 160 674.6 156 674.6 DL 164 674.6 160 674.6 DL 168
674.6 164 674.6 DL 172 674.6 168 674.6 DL 176 674.6 172 674.6 DL 180
674.6 176 674.6 DL 184 674.6 180 674.6 DL 188 674.6 184 674.6 DL 192
674.6 188 674.6 DL 196 674.6 192 674.6 DL 200 674.6 196 674.6 DL 204
674.6 200 674.6 DL 208 674.6 204 674.6 DL 212 674.6 208 674.6 DL 216
674.6 212 674.6 DL/F4 5/Times-Roman@0 SF(15)93.6 685 Q/F5 8
/Times-Roman@0 SF -.88(Yo)3.2 K 2.725(um).88 G .725(ay w)-2.725 F .726
(ant to use it for special \231per user\232 e)-.08 F 2.726(xtensions. F)
-.12 F .726(or e)-.12 F .726
(xample, in the address \231jgm+foo@CMU.EDU\232; the \231+foo\232)-.12 F
(part is not part of the user name, and is passed to the local mailer f\
or local use.)72 697.8 Q 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-41)195.86 E .4 LW 77 108 72 108 DL 79 108 74 108 DL 84 108 79
108 DL 89 108 84 108 DL 94 108 89 108 DL 99 108 94 108 DL 104 108 99 108
DL 109 108 104 108 DL 114 108 109 108 DL 119 108 114 108 DL 124 108 119
108 DL 129 108 124 108 DL 134 108 129 108 DL 139 108 134 108 DL 144 108
139 108 DL 149 108 144 108 DL 154 108 149 108 DL 159 108 154 108 DL 164
108 159 108 DL 169 108 164 108 DL 174 108 169 108 DL 179 108 174 108 DL
184 108 179 108 DL 189 108 184 108 DL 194 108 189 108 DL 199 108 194 108
DL 204 108 199 108 DL 209 108 204 108 DL 214 108 209 108 DL 219 108 214
108 DL 224 108 219 108 DL 229 108 224 108 DL 234 108 229 108 DL 239 108
234 108 DL 244 108 239 108 DL 249 108 244 108 DL 254 108 249 108 DL 259
108 254 108 DL 264 108 259 108 DL 269 108 264 108 DL 274 108 269 108 DL
279 108 274 108 DL 284 108 279 108 DL 289 108 284 108 DL 294 108 289 108
DL 299 108 294 108 DL 304 108 299 108 DL 309 108 304 108 DL 314 108 309
108 DL 319 108 314 108 DL 324 108 319 108 DL 329 108 324 108 DL 334 108
329 108 DL 339 108 334 108 DL 344 108 339 108 DL 349 108 344 108 DL 354
108 349 108 DL 359 108 354 108 DL 364 108 359 108 DL 369 108 364 108 DL
374 108 369 108 DL 379 108 374 108 DL 384 108 379 108 DL 389 108 384 108
DL 394 108 389 108 DL 399 108 394 108 DL 404 108 399 108 DL 409 108 404
108 DL 414 108 409 108 DL 419 108 414 108 DL 424 108 419 108 DL 429 108
424 108 DL 434 108 429 108 DL 439 108 434 108 DL 444 108 439 108 DL 449
108 444 108 DL 454 108 449 108 DL 459 108 454 108 DL 464 108 459 108 DL
469 108 464 108 DL 474 108 469 108 DL 479 108 474 108 DL 484 108 479 108
DL 489 108 484 108 DL 494 108 489 108 DL 499 108 494 108 DL 504 108 499
108 DL/F1 10/Times-Roman@0 SF(addr)91.915 202.6 Q 133.2 200.4 MT -7.2
1.8 RL 0 -3.6 RL CL 0 Fg 133.2 200.4 MT -7.2 1.8 RL 0 -3.6 RL CL .1 LW 0
Cg ST .4 LW 126 200.4 111.6 200.4 DL 154.8 211.2 MT 0 -21.6 RL -21.6 0
RL 0 21.6 RL CL ST(3)141.5 202.6 Q 176.4 200.4 MT -7.2 1.8 RL 0 -3.6 RL
CL 0 Fg 176.4 200.4 MT -7.2 1.8 RL 0 -3.6 RL CL .1 LW 0 Cg ST .4 LW
169.2 200.4 154.8 200.4 DL 198 211.2 MT 0 -21.6 RL -21.6 0 RL 0 21.6 RL
CL ST(D)183.59 202.6 Q 219.6 200.4 198 200.4 DL 277.2 182.4 MT -7.2 1.8
RL 0 -3.6 RL CL 0 Fg 277.2 182.4 MT -7.2 1.8 RL 0 -3.6 RL CL .1 LW 0 Cg
ST .4 LW 270 182.4 255.6 182.4 DL 298.8 193.2 MT 0 -21.6 RL -21.6 0 RL 0
21.6 RL CL ST(1)285.5 184.6 Q 320.4 182.4 MT -7.2 1.8 RL 0 -3.6 RL CL 0
Fg 320.4 182.4 MT -7.2 1.8 RL 0 -3.6 RL CL .1 LW 0 Cg ST .4 LW 313.2
182.4 298.8 182.4 DL 342 193.2 MT 0 -21.6 RL -21.6 0 RL 0 21.6 RL CL ST
(S)328.42 184.6 Q 363.6 182.4 342 182.4 DL 277.2 218.4 MT -7.2 1.8 RL 0
-3.6 RL CL 0 Fg 277.2 218.4 MT -7.2 1.8 RL 0 -3.6 RL CL .1 LW 0 Cg ST .4
LW 270 218.4 255.6 218.4 DL 298.8 229.2 MT 0 -21.6 RL -21.6 0 RL 0 21.6
RL CL ST(2)285.5 220.6 Q 320.4 218.4 MT -7.2 1.8 RL 0 -3.6 RL CL 0 Fg
320.4 218.4 MT -7.2 1.8 RL 0 -3.6 RL CL .1 LW 0 Cg ST .4 LW 313.2 218.4
298.8 218.4 DL 342 229.2 MT 0 -21.6 RL -21.6 0 RL 0 21.6 RL CL ST(R)
327.865 220.6 Q 363.6 218.4 342 218.4 DL 421.2 200.4 MT -7.2 1.8 RL 0
-3.6 RL CL 0 Fg 421.2 200.4 MT -7.2 1.8 RL 0 -3.6 RL CL .1 LW 0 Cg ST .4
LW 414 200.4 399.6 200.4 DL 442.8 211.2 MT 0 -21.6 RL -21.6 0 RL 0 21.6
RL CL ST(4)429.5 202.6 Q 464.4 200.4 MT -7.2 1.8 RL 0 -3.6 RL CL 0 Fg
464.4 200.4 MT -7.2 1.8 RL 0 -3.6 RL CL .1 LW 0 Cg ST .4 LW 457.2 200.4
442.8 200.4 DL(msg)466.865 202.6 Q 255.6 182.4 219.6 200.4 DL 255.6
218.4 219.6 200.4 DL 399.6 200.4 363.6 182.4 DL 399.6 200.4 363.6 218.4
DL 208.8 146.4 MT -7.2 1.8 RL 0 -3.6 RL CL 0 Fg 208.8 146.4 MT -7.2 1.8
RL 0 -3.6 RL CL .1 LW 0 Cg ST .4 LW 201.6 146.4 187.2 146.4 DL 230.4
157.2 MT 0 -21.6 RL -21.6 0 RL 0 21.6 RL CL ST(0)217.1 148.6 Q 252 146.4
MT -7.2 1.8 RL 0 -3.6 RL CL 0 Fg 252 146.4 MT -7.2 1.8 RL 0 -3.6 RL CL
.1 LW 0 Cg ST .4 LW 244.8 146.4 230.4 146.4 DL(resolv)265.69 148.6 Q
(ed address)-.15 E 187.2 146.4 162 200.4 DL(Figure 1 \212 Re)216.045
248.4 Q(writing set semantics)-.25 E 2.5(D\212s)209.35 260.4 S
(ender domain addition)-2.5 E 2.5(S\212m)209.35 272.4 S(ailer)-2.5 E
(-speci\214c sender re)-.2 E(writing)-.25 E 2.5(R\212m)209.35 284.4 S
(ailer)-2.5 E(-speci\214c recipient re)-.2 E(writing)-.25 E 77 296.4 72
296.4 DL 79 296.4 74 296.4 DL 84 296.4 79 296.4 DL 89 296.4 84 296.4 DL
94 296.4 89 296.4 DL 99 296.4 94 296.4 DL 104 296.4 99 296.4 DL 109
296.4 104 296.4 DL 114 296.4 109 296.4 DL 119 296.4 114 296.4 DL 124
296.4 119 296.4 DL 129 296.4 124 296.4 DL 134 296.4 129 296.4 DL 139
296.4 134 296.4 DL 144 296.4 139 296.4 DL 149 296.4 144 296.4 DL 154
296.4 149 296.4 DL 159 296.4 154 296.4 DL 164 296.4 159 296.4 DL 169
296.4 164 296.4 DL 174 296.4 169 296.4 DL 179 296.4 174 296.4 DL 184
296.4 179 296.4 DL 189 296.4 184 296.4 DL 194 296.4 189 296.4 DL 199
296.4 194 296.4 DL 204 296.4 199 296.4 DL 209 296.4 204 296.4 DL 214
296.4 209 296.4 DL 219 296.4 214 296.4 DL 224 296.4 219 296.4 DL 229
296.4 224 296.4 DL 234 296.4 229 296.4 DL 239 296.4 234 296.4 DL 244
296.4 239 296.4 DL 249 296.4 244 296.4 DL 254 296.4 249 296.4 DL 259
296.4 254 296.4 DL 264 296.4 259 296.4 DL 269 296.4 264 296.4 DL 274
296.4 269 296.4 DL 279 296.4 274 296.4 DL 284 296.4 279 296.4 DL 289
296.4 284 296.4 DL 294 296.4 289 296.4 DL 299 296.4 294 296.4 DL 304
296.4 299 296.4 DL 309 296.4 304 296.4 DL 314 296.4 309 296.4 DL 319
296.4 314 296.4 DL 324 296.4 319 296.4 DL 329 296.4 324 296.4 DL 334
296.4 329 296.4 DL 339 296.4 334 296.4 DL 344 296.4 339 296.4 DL 349
296.4 344 296.4 DL 354 296.4 349 296.4 DL 359 296.4 354 296.4 DL 364
296.4 359 296.4 DL 369 296.4 364 296.4 DL 374 296.4 369 296.4 DL 379
296.4 374 296.4 DL 384 296.4 379 296.4 DL 389 296.4 384 296.4 DL 394
296.4 389 296.4 DL 399 296.4 394 296.4 DL 404 296.4 399 296.4 DL 409
296.4 404 296.4 DL 414 296.4 409 296.4 DL 419 296.4 414 296.4 DL 424
296.4 419 296.4 DL 429 296.4 424 296.4 DL 434 296.4 429 296.4 DL 439
296.4 434 296.4 DL 444 296.4 439 296.4 DL 449 296.4 444 296.4 DL 454
296.4 449 296.4 DL 459 296.4 454 296.4 DL 464 296.4 459 296.4 DL 469
296.4 464 296.4 DL 474 296.4 469 296.4 DL 479 296.4 474 296.4 DL 484
296.4 479 296.4 DL 489 296.4 484 296.4 DL 494 296.4 489 296.4 DL 499
296.4 494 296.4 DL 504 296.4 499 296.4 DL 1.021(Ruleset zero is applied\
 after ruleset three to addresses that are going to actually specify)142
332.4 R 2.818(recipients. It)117 344.4 R .318(must resolv)2.818 F 2.818
(et)-.15 G 2.819(oa)-2.818 G/F2 10/Times-Italic@0 SF({mailer)A 2.819(,h)
-1.11 G .319(ost, addr)-2.819 F(ess})-.37 E F1 2.819(triple. The)2.819 F
F2(mailer)2.819 E F1 .319(must be de\214ned in the)2.819 F .752
(mailer de\214nitions from the con\214guration \214le.)117 356.4 R(The)
5.751 E F2(host)3.251 E F1 .751(is de\214ned into the)3.251 F F0($h)
3.251 E F1 .751(macro for use in)3.251 F 1.202(the ar)117 368.4 R 1.202
(gv e)-.18 F 1.203(xpansion of the speci\214ed mailer)-.15 F 6.203(.N)
-.55 G 1.203(otice: since the en)-6.203 F -.15(ve)-.4 G 1.203
(lope sender address will be).15 F .707(used if a deli)117 380.4 R -.15
(ve)-.25 G .706(ry status noti\214cation must be send, i.e., it may spe\
cify a recipient, it is also run).15 F 1.548(through ruleset zero.)117
392.4 R 1.548(If ruleset zero returns a temporary error)6.548 F F0(4xy)
4.049 E F1 1.549(then deli)4.049 F -.15(ve)-.25 G 1.549(ry is deferred.)
.15 F .064(This can be used to temporarily disable deli)117 404.4 R -.15
(ve)-.25 G(ry).15 E 2.564(,e)-.65 G .064
(.g., based on the time of the day or other v)-2.564 F(ary-)-.25 E
(ing parameters.)117 416.4 Q
(It should not be used to quarantine e-mails.)5 E .452
(Rulesets one and tw)142 432.6 R 2.952(oa)-.1 G .452
(re applied to all sender and recipient addresses respecti)-2.952 F -.15
(ve)-.25 G(ly).15 E 5.453(.T)-.65 G(he)-5.453 E(y)-.15 E
(are applied before an)117 444.6 Q 2.5(ys)-.15 G
(peci\214cation in the mailer de\214nition.)-2.5 E(The)5 E 2.5(ym)-.15 G
(ust ne)-2.5 E -.15(ve)-.25 G 2.5(rr).15 G(esolv)-2.5 E(e.)-.15 E 1.266
(Ruleset four is applied to all addresses in the message.)142 460.8 R
1.265(It is typically used to translate)6.265 F(internal to e)117 472.8
Q(xternal form.)-.15 E .652(In addition, ruleset 5 is applied to all lo\
cal addresses \(speci\214cally)142 489 R 3.153(,t)-.65 G .653
(hose that resolv)-3.153 F 3.153(et)-.15 G 3.153(oa)-3.153 G .296
(mailer with the `F=5' \215ag set\) that do not ha)117 501 R .596 -.15
(ve a)-.2 H 2.796(liases. This).15 F(allo)2.796 E .296
(ws a last minute hook for local)-.25 F(names.)117 513 Q F0 2.5
(5.1.4. Ruleset)102 537 R(hooks)2.5 E F1 3.814(Af)142 553.2 S 1.814 -.25
(ew e)-3.814 H 1.315(xtra rulesets are de\214ned as \231hooks\232 that \
can be de\214ned to get special features.).1 F(The)117 565.2 Q 3.468(ya)
-.15 G .968(re all named rulesets.)-3.468 F .968
(The \231check_*\232 forms all gi)5.968 F 1.268 -.15(ve a)-.25 H .968
(ccept/reject status; f).15 F .967(alling of)-.1 F 3.467(ft)-.25 G(he)
-3.467 E .207(end or returning normally is an accept, and resolving to)
117 577.2 R F0($#err)2.707 E(or)-.18 E F1 .207
(is a reject or quarantine.)2.707 F(Quar)5.207 E(-)-.2 E
(antining is chosen by specifying)117 589.2 Q F0(quarantine)2.5 E F1
(in the second part of the mailer triplet:)2.5 E
($#error $@ quarantine $: Reason for quarantine)157 605.4 Q(Man)117
621.6 Q 3.121(yo)-.15 G 3.121(ft)-3.121 G .621(hese can also resolv)
-3.121 F 3.121(et)-.15 G 3.121(ot)-3.121 G .621(he special mailer name)
-3.121 F F0($#discard)3.12 E F1 3.12(;t)C .62(his accepts the message)
-3.12 F .923(as though it were successful b)117 633.6 R .923
(ut then discards it without deli)-.2 F -.15(ve)-.25 G(ry).15 E 5.924
(.N)-.65 G .924(ote, this mailer cannot be)-5.924 F .682
(chosen as a mailer in ruleset 0.)117 645.6 R .682
(Note also that all \231check_*\232 rulesets ha)5.682 F .981 -.15(ve t)
-.2 H 3.181(od).15 G .681(eal with tempo-)-3.181 F .682(rary f)117 657.6
R .682(ailures, especially for map lookups, themselv)-.1 F .682
(es, i.e., the)-.15 F 3.182(ys)-.15 G .683
(hould return a temporary error)-3.182 F(code or at least the)117 669.6
Q 2.5(ys)-.15 G(hould mak)-2.5 E 2.5(eap)-.1 G
(roper decision in those cases.)-2.5 E F0 2.5(5.1.4.1. check_r)117 693.6
R(elay)-.18 E F1(The)157 709.8 Q F2 -.15(ch)3.336 G(ec).15 E(k_r)-.2 E
(elay)-.37 E F1 .836
(ruleset is called after a connection is accepted by the daemon.)3.336 F
.835(It is)5.835 F(not called when sendmail is started using the)132
721.8 Q F0(\255bs)2.5 E F1 2.5(option. It)2.5 F(is passed)2.5 E 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-42 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF
(client.host.name $| client.host.address)172 96 Q(where)132 112.2 Q F0
($|)4.016 E F1 1.517(is a metacharacter separating the tw)4.017 F 4.017
(op)-.1 G 4.017(arts. This)-4.017 F 1.517
(ruleset can reject connections)4.017 F .323(from v)132 124.2 R .323
(arious locations.)-.25 F .322
(Note that it only checks the connecting SMTP client IP address and)
5.322 F 3.463(hostname. It)132 136.2 R .963
(does not check for third party message relaying.)3.463 F(The)5.963 E/F2
10/Times-Italic@0 SF -.15(ch)3.463 G(ec).15 E(k_r)-.2 E(cpt)-.37 E F1
.964(ruleset dis-)3.463 F(cussed belo)132 148.2 Q 2.5(wu)-.25 G
(sually does third party message relay checking.)-2.5 E F0 2.5
(5.1.4.2. check_mail)117 172.2 R F1(The)157 188.4 Q F2 -.15(ch)3.723 G
(ec).15 E(k_mail)-.2 E F1 1.223
(ruleset is passed the user name parameter of the)3.723 F/F3 9
/Times-Roman@0 SF 1.222(SMTP MAIL)3.723 F F1(com-)3.722 E 2.5(mand. It)
132 200.4 R(can accept or reject the address.)2.5 E F0 2.5
(5.1.4.3. check_r)117 224.4 R(cpt)-.18 E F1(The)157 240.6 Q F2 -.15(ch)
3.917 G(ec).15 E(k_r)-.2 E(cpt)-.37 E F1 1.417
(ruleset is passed the user name parameter of the)3.917 F F3 1.418
(SMTP RCPT)3.917 F F1(com-)3.918 E 2.5(mand. It)132 252.6 R
(can accept or reject the address.)2.5 E F0 2.5(5.1.4.4. check_data)117
276.6 R F1(The)157 292.8 Q F2 -.15(ch)3.246 G(ec).15 E(k_data)-.2 E F1
.746(ruleset is called after the)3.246 F F3 .746(SMTP D)3.246 F -1.089
-.999(AT A)-.36 H F1 .745(command, its parameter is the)4.245 F
(number of recipients.)132 304.8 Q(It can accept or reject the command.)
5 E F0 2.5(5.1.4.5. check_compat)117 328.8 R F1(The)157 345 Q F2 -.15
(ch)2.5 G(ec).15 E(k_compat)-.2 E F1(ruleset is passed)2.5 E(sender)172
361.2 Q(-address $| recipient-address)-.2 E(where)132 377.4 Q F0($|)
3.725 E F1 1.225(is a metacharacter separating the addresses.)3.725 F
1.225(It can accept or reject mail transfer)6.225 F 2.386
(between these tw)132 389.4 R 4.886(oa)-.1 G 2.386(ddresses much lik)
-4.886 F 4.885(et)-.1 G(he)-4.885 E F2 -.15(ch)4.885 G(ec).15 E
(kcompat\(\))-.2 E F1 4.885(function. Note:)4.885 F 2.385(while other)
4.885 F F2 -.15(ch)132 401.4 S(ec).15 E(k_*)-.2 E F1 1.99
(rulesets are in)4.49 F -.2(vo)-.4 G -.1(ke).2 G 4.49(dd).1 G 1.99
(uring the SMTP mail receiption stage \(i.e., in the SMTP)-4.49 F(serv)
132 413.4 Q(er\),)-.15 E F2 -.15(ch)2.5 G(ec).15 E(k_compat)-.2 E F1
(is in)2.5 E -.2(vo)-.4 G -.1(ke).2 G 2.5(dd).1 G(uring the mail deli)
-2.5 E -.15(ve)-.25 G(ry stage.).15 E F0 2.5(5.1.4.6. check_eoh)117
437.4 R F1(The)157 453.6 Q F2 -.15(ch)2.5 G(ec).15 E(k_eoh)-.2 E F1
(ruleset is passed)2.5 E(number)172 469.8 Q
(-of-headers $| size-of-headers)-.2 E(where)132 486 Q F0($|)3.803 E F1
1.303(is a metacharacter separating the numbers.)3.803 F 1.303
(These numbers can be used for size)6.303 F .588(comparisons with the)
132 498 R F0(arith)3.088 E F1 3.088(map. The)3.088 F .588
(ruleset is triggered after all of the headers ha)3.088 F .888 -.15
(ve b)-.2 H(een).15 E 3.262(read. It)132 510 R .762
(can be used to correlate information g)3.262 F .761
(athered from those headers using the)-.05 F F0(macr)3.261 E(o)-.18 E F1
(storage map.)132 522 Q
(One possible use is to check for a missing header)5 E 5(.F)-.55 G(or e)
-5.15 E(xample:)-.15 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-43)195.86 E/F1 10/Times-Roman@0 SF(Kstorage macro)172 96 Q
(HMessage-Id: $>CheckMessageId)172 108 Q(SCheckMessageId)172 132 Q 2.5
(#R)172 144 S(ecord the presence of the header)-2.5 E 88.83(R$* $:)172
156 R($\(storage {MessageIdCheck} $@ OK $\) $1)2.5 E(R< $+ @ $+ >)172
168 Q($@ OK)49.56 E 88.83(R$* $#error)172 180 R($: 553 Header Error)2.5
E(Scheck_eoh)172 204 Q 2.5(#C)172 216 S(heck the macro)-2.5 E 88.83
(R$* $:)172 228 R 2.5(<$)2.5 G(&{MessageIdCheck} >)-2.5 E 2.5(#C)172 240
S(lear the macro for the ne)-2.5 E(xt message)-.15 E 88.83(R$* $:)172
252 R($\(storage {MessageIdCheck} $\) $1)2.5 E 2.5(#H)172 264 S
(as a Message-Id: header)-2.5 E(R< $+ >)172 276 Q($@ OK)74.41 E 2.5(#A)
172 288 S(llo)-2.5 E 2.5(wm)-.25 G(issing Message-Id: from local mail)
-2.5 E 88.83(R$* $:)172 300 R 2.5(<$)2.5 G(&{client_name} >)-2.5 E(R< >)
172 312 Q($@ OK)87.55 E(R< $=w >)172 324 Q($@ OK)67.19 E 2.5(#O)172 336
S(therwise, reject the mail)-2.5 E 88.83(R$* $#error)172 348 R
($: 553 Header Error)2.5 E -.25(Ke)132 364.2 S .459(ep in mind the Mess\
age-Id: header is not a required header and is not a guaranteed spam).25
F(indicator)132 376.2 Q 5(.T)-.55 G(his ruleset is an e)-5 E
(xample and should probably not be used in production.)-.15 E F0 2.5
(5.1.4.7. check_eom)117 400.2 R F1(The)157 416.4 Q/F2 10/Times-Italic@0
SF -.15(ch)3.219 G(ec).15 E(k_eom)-.2 E F1 .719(ruleset is called after\
 the end of a message, its parameter is the mes-)3.219 F(sage size.)132
428.4 Q(It can accept or reject the message.)5 E F0 2.5
(5.1.4.8. check_etr)117 452.4 R(n)-.15 E F1(The)157 468.6 Q F2 -.15(ch)
3.384 G(ec).15 E(k_etrn)-.2 E F1 .885
(ruleset is passed the parameter of the)3.384 F/F3 9/Times-Roman@0 SF
.885(SMTP ETRN)3.385 F F1 3.385(command. It)3.385 F(can)3.385 E
(accept or reject the command.)132 480.6 Q F0 2.5(5.1.4.9. check_expn)
117 504.6 R F1(The)157 520.8 Q F2 -.15(ch)3.615 G(ec).15 E(k_e)-.2 E
(xpn)-.2 E F1 1.115(ruleset is passed the user name parameter of the)
3.615 F F3 1.114(SMTP EXPN)3.615 F F1(com-)3.614 E 2.5(mand. It)132
532.8 R(can accept or reject the address.)2.5 E F0 2.5
(5.1.4.10. check_vrfy)117 556.8 R F1(The)157 573 Q F2 -.15(ch)3.816 G
(ec).15 E(k_vrfy)-.2 E F1 1.317
(ruleset is passed the user name parameter of the)3.816 F F3 1.317
(SMTP VRFY)3.817 F F1(com-)3.817 E 2.5(mand. It)132 585 R
(can accept or reject the command.)2.5 E F0 2.5(5.1.4.11. trust_auth)117
609 R F1(The)157 625.2 Q F2(trust_auth)3.045 E F1 .545
(ruleset is passed the A)3.045 F .545(UTH= parameter of the)-.55 F F3
.544(SMTP MAIL)3.044 F F1(command.)3.044 E .635
(It is used to determine whether this v)132 637.2 R .636
(alue should be trusted. In order to mak)-.25 F 3.136(et)-.1 G .636
(his decision,)-3.136 F .154(the ruleset may mak)132 649.2 R 2.654(eu)
-.1 G .154(se of the v)-2.654 F(arious)-.25 E F0(${auth_*})2.654 E F1
2.654(macros. If)2.654 F .153(the ruleset does resolv)2.654 F 2.653(et)
-.15 G 2.653(ot)-2.653 G(he)-2.653 E .018(\231error\232 mailer the A)132
661.2 R .019
(UTH= parameter is not trusted and hence not passed on to the ne)-.55 F
.019(xt relay)-.15 F(.)-.65 E F0 2.5(5.1.4.12. tls_client)117 685.2 R F1
(The)157 701.4 Q F2(tls_client)2.947 E F1 .447
(ruleset is called when sendmail acts as serv)2.947 F(er)-.15 E 2.947
(,a)-.4 G .447(fter a ST)-2.947 F(AR)-.93 E .446(TTLS com-)-.6 F 1.045
(mand has been issued, and from)132 713.4 R F2 -.15(ch)3.545 G(ec).15 E
(k_mail.)-.2 E F1 1.045(The parameter is the v)6.045 F 1.045(alue of)
-.25 F F0(${v)3.545 E(erify})-.1 E F1(and)3.545 E(ST)132 725.4 Q(AR)-.93
E 1.704(TTLS or MAIL, respecti)-.6 F -.15(ve)-.25 G(ly).15 E 6.704(.I)
-.65 G 4.204(ft)-6.704 G 1.704(he ruleset does resolv)-4.204 F 4.204(et)
-.15 G 4.204(ot)-4.204 G 1.704(he \231error\232 mailer)-4.204 F 4.203
(,t)-.4 G(he)-4.203 E 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-44 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF
(appropriate error code is returned to the client.)132 96 Q F0 2.5
(5.1.4.13. tls_ser)117 120 R -.1(ve)-.1 G(r).1 E F1(The)157 136.2 Q/F2
10/Times-Italic@0 SF(tls_server)3.053 E F1 .554
(ruleset is called when sendmail acts as client after a ST)3.053 F(AR)
-.93 E .554(TTLS com-)-.6 F .05(mand \(should\) ha)132 148.2 R .35 -.15
(ve b)-.2 H .05(een issued.).15 F .049(The parameter is the v)5.05 F
.049(alue of)-.25 F F0(${v)2.549 E(erify})-.1 E F1 5.049(.I)C 2.549(ft)
-5.049 G .049(he ruleset does)-2.549 F(resolv)132 160.2 Q 2.514(et)-.15
G 2.514(ot)-2.514 G .014(he \231error\232 mailer)-2.514 F 2.514(,t)-.4 G
.014(he connection is aborted \(treated as non-deli)-2.514 F -.15(ve)
-.25 G .015(rable with a per).15 F(-)-.2 E(manent or temporary error\).)
132 172.2 Q F0 2.5(5.1.4.14. tls_r)117 196.2 R(cpt)-.18 E F1(The)157
212.4 Q F2(tls_r)4.075 E(cpt)-.37 E F1 1.574
(ruleset is called each time before a RCPT T)4.075 F 4.074(Oc)-.18 G
1.574(ommand is sent.)-4.074 F(The)6.574 E .102
(parameter is the current recipient.)132 224.4 R .102
(If the ruleset does resolv)5.102 F 2.602(et)-.15 G 2.602(ot)-2.602 G
.102(he \231error\232 mailer)-2.602 F 2.602(,t)-.4 G .102(he RCPT)-2.602
F 2.749 -.18(TO c)132 236.4 T 2.388
(ommand is suppressed \(treated as non-deli).18 F -.15(ve)-.25 G 2.388
(rable with a permanent or temporary).15 F 3.027(error\). This)132 248.4
R .527(ruleset allo)3.027 F .528(ws to require encryption or v)-.25 F
.528(eri\214cation of the recipient')-.15 F 3.028(sM)-.55 G 2.388 -.93
(TA e)-3.028 H -.15(ve).68 G(n).15 E .468(if the mail is someho)132
260.4 R 2.968(wr)-.25 G .468(edirected to another host.)-2.968 F -.15
(Fo)5.468 G 2.968(re).15 G .468(xample, sending mail to)-3.118 F F2(luk)
2.967 E(e@end-)-.1 E(mail.or)132 272.4 Q(g)-.37 E F1 1.929
(may get redirected to a host named)4.429 F F2(death.star)4.429 E F1
1.93(and hence the tls_serv)4.429 F 1.93(er ruleset)-.15 F -.1(wo)132
284.4 S(n').1 E 3.003(ta)-.18 G(pply)-3.003 E 5.503(.B)-.65 G 3.003(yi)
-5.503 G .502(ntroducing per recipient restrictions such attacks \(e.g.\
, via DNS spoo\214ng\))-3.003 F(can be made impossible.)132 296.4 Q(See)
5 E F2(cf/README)2.5 E F1(ho)2.5 E 2.5(wt)-.25 G
(his ruleset can be used.)-2.5 E F0 2.5(5.1.4.15. sr)117 320.4 R
(v_featur)-.1 E(es)-.18 E F1(The)157 336.6 Q F2(srv_featur)2.75 E(es)
-.37 E F1 .25(ruleset is called with the connecting client')2.75 F 2.75
(sh)-.55 G .25(ost name when a client)-2.75 F 1.512
(connects to sendmail.)132 348.6 R 1.512(This ruleset should return)
6.512 F F0($#)4.011 E F1(follo)4.011 E 1.511
(wed by a list of options \(single)-.25 F 2.16
(characters delimited by white space\).)132 360.6 R 2.16
(If the return v)7.16 F 2.16(alue starts with an)-.25 F 2.16
(ything else it is)-.15 F .267(silently ignored.)132 372.6 R .267
(Generally upper case characters turn of)5.267 F 2.767(faf)-.25 G .267
(eature while lo)-2.767 F .267(wer case charac-)-.25 F .049
(ters turn it on.)132 384.6 R .049(Option `S' causes the serv)5.049 F
.049(er not to of)-.15 F .05(fer ST)-.25 F(AR)-.93 E .05
(TTLS, which is useful to inter)-.6 F(-)-.2 E .23(act with MT)132 396.6
R(As/MU)-.93 E .229(As that ha)-.4 F .529 -.15(ve b)-.2 H(rok).15 E .229
(en ST)-.1 F(AR)-.93 E .229(TTLS implementations by simply not of)-.6 F
(fering)-.25 E 3.362(it. `V')132 408.6 R .862(turns of)3.362 F 3.362(ft)
-.25 G .863
(he request for a client certi\214cate during the TLS handshak)-3.362 F
3.363(e. Options)-.1 F -.8(`A)3.363 G(')-.31 E 2.036
(and `P' suppress SMTP A)132 420.6 R 2.036(UTH and PIPELINING, respecti)
-.55 F -.15(ve)-.25 G(ly).15 E 7.036(.`)-.65 G 2.036(c' is the equi)
-7.036 F -.25(va)-.25 G 2.035(lent to).25 F .229
(AuthOptions=p, i.e., it doesn')132 432.6 R 2.729(tp)-.18 G .229
(ermit mechanisms susceptible to simple passi)-2.729 F .529 -.15(ve a)
-.25 H .23(ttack \(e.g.,).15 F .93
(PLAIN, LOGIN\), unless a security layer is acti)132 444.6 R -.15(ve)
-.25 G 5.93(.O).15 G .93(ption `l' requires SMTP A)-5.93 F .93
(UTH for a)-.55 F 5.03(connection. Options)132 456.6 R 2.531
('B', 'D', 'E', and 'X' suppress SMTP VERB, DSN, ETRN, and)5.03 F
(EXPN, respecti)132 468.6 Q -.15(ve)-.25 G(ly).15 E(.)-.65 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-45)195.86 E/F1 10/Times-Roman@0 SF 37.78(AD)172 96 S 2.5(on)
-37.78 G(ot of)-2.5 E(fer A)-.25 E(UTH)-.55 E 40.56(aO)172 108 S -.25
(ff)-40.56 G(er A).25 E(UTH \(def)-.55 E(ault\))-.1 E 38.33(BD)172 120 S
2.5(on)-38.33 G(ot of)-2.5 E(fer VERB)-.25 E 40(bO)172 132 S -.25(ff)-40
G(er VERB \(def).25 E(ault\))-.1 E 38.33(CD)172 144 S 2.5(on)-38.33 G
(ot require security layer for)-2.5 E(plainte)217 156 Q(xt A)-.15 E
(UTH \(def)-.55 E(ault\))-.1 E 40.56(cR)172 168 S
(equire security layer for plainte)-40.56 E(xt A)-.15 E(UTH)-.55 E 37.78
(DD)172 180 S 2.5(on)-37.78 G(ot of)-2.5 E(fer DSN)-.25 E 40(dO)172 192
S -.25(ff)-40 G(er DSN \(def).25 E(ault\))-.1 E 38.89(ED)172 204 S 2.5
(on)-38.89 G(ot of)-2.5 E(fer ETRN)-.25 E 40.56(eO)172 216 S -.25(ff)
-40.56 G(er ETRN \(def).25 E(ault\))-.1 E 38.89(LD)172 228 S 2.5(on)
-38.89 G(ot require A)-2.5 E(UTH \(def)-.55 E(ault\))-.1 E 42.22(lR)172
240 S(equire A)-42.22 E(UTH)-.55 E 39.44(PD)172 252 S 2.5(on)-39.44 G
(ot of)-2.5 E(fer PIPELINING)-.25 E 40(pO)172 264 S -.25(ff)-40 G
(er PIPELINING \(def).25 E(ault\))-.1 E 39.44(SD)172 276 S 2.5(on)-39.44
G(ot of)-2.5 E(fer ST)-.25 E(AR)-.93 E(TTLS)-.6 E 41.11(sO)172 288 S
-.25(ff)-41.11 G(er ST).25 E(AR)-.93 E(TTLS \(def)-.6 E(ault\))-.1 E
37.78(VD)172 300 S 2.5(on)-37.78 G(ot request a client certi\214cate)
-2.5 E 40(vR)172 312 S(equest a client certi\214cate \(def)-40 E(ault\))
-.1 E 37.78(XD)172 324 S 2.5(on)-37.78 G(ot of)-2.5 E(fer EXPN)-.25 E 40
(xO)172 336 S -.25(ff)-40 G(er EXPN \(def).25 E(ault\))-.1 E .205
(Note: the entries mark)132 352.2 R .205(ed as `)-.1 F(`\(def)-.74 E
(ault\)')-.1 E 2.705('m)-.74 G .204
(ay require that some con\214guration has been made,)-2.705 F .406
(e.g., SMTP A)132 364.2 R .407(UTH is only a)-.55 F -.25(va)-.2 G .407
(ilable if properly con\214gured.).25 F(Moreo)5.407 E -.15(ve)-.15 G
1.207 -.4(r, m).15 H(an).4 E 2.907(yo)-.15 G .407(ptions can be)-2.907 F
.054(changed on a global basis via other settings as e)132 376.2 R .054
(xplained in this document, e.g., via Daemon-)-.15 F(PortOptions.)132
388.2 Q .88(The ruleset may return `$#temp' to indicate that there is a\
 temporary problem deter)157 404.4 R(-)-.2 E 1.623
(mining the correct features, e.g., if a map is una)132 416.4 R -.25(va)
-.2 G 4.123(ilable. In).25 F 1.622(that case, the SMTP serv)4.122 F(er)
-.15 E(issues a temporary f)132 428.4 Q
(ailure and does not accept email.)-.1 E F0 2.5(5.1.4.16. try_tls)117
452.4 R F1(The)157 468.6 Q/F2 10/Times-Italic@0 SF(try_tls)3.563 E F1
1.063(ruleset is called when sendmail connects to another MT)3.563 F
3.563(A. If)-.93 F 1.064(the ruleset)3.563 F 1.153(does resolv)132 480.6
R 3.653(et)-.15 G 3.653(ot)-3.653 G 1.153(he \231error\232 mailer)-3.653
F 3.653(,s)-.4 G 1.153(endmail does not try ST)-3.653 F(AR)-.93 E 1.152
(TTLS e)-.6 F -.15(ve)-.25 G 3.652(ni).15 G 3.652(fi)-3.652 G 3.652(ti)
-3.652 G 3.652(so)-3.652 G -.25(ff)-3.652 G(ered.).25 E
(This is useful to deal with ST)132 492.6 Q(AR)-.93 E
(TTLS interoperability issues by simply not using it.)-.6 E F0 2.5
(5.1.4.17. tls_sr)117 516.6 R(v_featur)-.1 E(es and tls_clt_featur)-.18
E(es)-.18 E F1(The)157 532.8 Q F2(tls_clt_featur)2.871 E(es)-.37 E F1
.372(ruleset is called when sendmail connects to another MT)2.871 F
2.872(Aa)-.93 G .372(nd the)-2.872 F F2(tls_srv_featur)132 544.8 Q(es)
-.37 E F1 .436(ruleset is called when a client connects to)2.936 F F2
(sendmail)2.935 E F1 5.435(.T)C .435(he ar)-5.435 F .435
(guments for the)-.18 F 1.872(rulesets are the host name and IP address\
 of the other side separated by)132 556.8 R F0($|)4.372 E F1 1.872
(\(which is a)4.372 F 3.593(metacharacter\). The)132 568.8 R 3.593(ys)
-.15 G 1.093(hould return a list of)-3.593 F F2 -.1(ke)3.592 G(y=value)
-.2 E F1 1.092(pairs separated by semicolons; the)3.592 F .552
(list can be empty if no options should be applied to the connection.)
132 580.8 R -1.27 -.74(Av a)5.553 H .553(ilable k).74 F -.15(ey)-.1 G
3.053(sa).15 G .553(re and)-3.053 F(their allo)132 592.8 Q(wed v)-.25 E
(alues are:)-.25 E(Options)132 609 Q 3.977(Ac)146.4 621 S 1.477
(omma separated list of SSL related options.)-3.977 F(See)6.476 E F2
(ServerSSLOptions)3.976 E F1(and)3.976 E F2(ClientSS-)3.976 E(LOptions)
146.4 633 Q F1 2.519(for details, as well as)5.019 F F2(SSL_set_options)
5.019 E F1 2.519(\(3\) and note this w)B 2.52(arning: Options)-.1 F
(already set before are not cleared!)146.4 645 Q(CipherList)132 661.2 Q
.222(Specify cipher list for ST)146.4 673.2 R(AR)-.93 E .222
(TTLS \(does not apply to TLSv1.3\), see)-.6 F F2(cipher)2.721 E(s)-.1 E
F1 .221(\(1\) for possi-)B(ble v)146.4 685.2 Q 2.5(alues. This)-.25 F
-.15(ove)2.5 G(rrides the global).15 E F2(CipherList)2.5 E F1
(for the session.)2.5 E(CertFile)132 701.4 Q
(File containing a certi\214cate.)146.4 713.4 Q 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-46 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF -2.15
-.25(Ke y)132 96 T(File).25 E(File containing the pri)146.4 108 Q -.25
(va)-.25 G(te k).25 E .3 -.15(ey f)-.1 H(or the certi\214cate.).15 E
(Flags)132 124.2 Q(Currently the only v)146.4 136.2 Q(alid \215ags are)
-.25 E/F2 10/Times-Italic@0 SF(R)146.4 148.2 Q F1 1.828
(to require a CRL for each encountered certi\214cate during v)4.328 F
1.829(eri\214cation \(by def)-.15 F 1.829(ault a)-.1 F
(missing CRL is ignored\),)146.4 160.2 Q F2(c)146.4 172.2 Q F1(and)3.33
E F2(C)3.33 E F1 .829(which basically clears/sets the option)3.329 F F2
(TLSF)3.329 E(allbac)-.75 E(ktoClear)-.2 E F1 .829
(for just this session,)3.329 F(respecti)146.4 184.2 Q -.15(ve)-.25 G
(ly).15 E(,)-.65 E F2(d)146.4 196.2 Q F1(to turn of)2.5 E 2.5(fD)-.25 G
.001(ANE which is ob)-2.9 F .001(viously only v)-.15 F .001(alid for)
-.25 F F2(tls_clt_featur)2.501 E(es)-.37 E F1 .001(and requires D)2.501
F(ANE)-.4 E .705(to be compiled in.)146.4 208.2 R .704
(This might be needed in case of a miscon\214guration, e.g., specifying)
5.705 F(in)146.4 220.2 Q -.25(va)-.4 G(lid TLSA RRs.).25 E(Example:)132
236.4 Q(Stls_srv_features)172 252.6 Q(R$* $| 10.$+)172 264.6 Q
($: cipherlist=HIGH)56.19 E(Notes:)132 285 Q .402
(Errors in these features \(e.g., unkno)157 301.2 R .402(wn k)-.25 F
-.15(ey)-.1 G 2.902(so).15 G 2.902(ri)-2.902 G -1.95 -.4(nv a)-2.902 H
.402(lid v).4 F .402(alues\) are logged and the cur)-.25 F(-)-.2 E 2.362
(rent session is aborted to a)132 313.2 R -.2(vo)-.2 G 2.362
(id using ST).2 F(AR)-.93 E 2.361(TTLS with features that should ha)-.6
F 2.661 -.15(ve b)-.2 H(een).15 E(changed.)132 325.2 Q(The k)157 341.4 Q
-.15(ey)-.1 G 2.5(sa).15 G(re case-insensiti)-2.5 E -.15(ve)-.25 G(.).15
E(Both)157 357.6 Q F2(CertF)2.5 E(ile)-.45 E F1(and)2.5 E F2 -2.1 -.35
(Ke y)2.5 H -.45(Fi).35 G(le).45 E F1
(must be speci\214ed together; specifying only one is an error)2.5 E(.)
-.55 E F0 2.5(5.1.4.18. authinf)117 381.6 R(o)-.25 E F1(The)157 397.8 Q
F2(authinfo)3.049 E F1 .549
(ruleset is called when sendmail tries to authenticate to another MT)
3.049 F 3.05(A. It)-.93 F .844(should return)132 409.8 R F0($#)3.344 E
F1(follo)3.344 E .844(wed by a list of tok)-.25 F .843
(ens that are used for SMTP A)-.1 F 3.343(UTH. If)-.55 F .843
(the return)3.343 F -.25(va)132 421.8 S 1.303(lue starts with an).25 F
1.304(ything else it is silently ignored.)-.15 F 1.304(Each tok)6.304 F
1.304(en is a tagged string of the)-.1 F
(form: "TDstring" \(including the quotes\), where)132 433.8 Q 38.89(TT)
172 450 S(ag which describes the item)-39.69 E 37.78(DD)172 462 S
(elimiter: ':' simple te)-37.78 E(xt follo)-.15 E(ws)-.25 E
('=' string is base64 encoded)217 474 Q 19.72(string V)172 486 R
(alue of the item)-1.11 E -1.11(Va)132 502.2 S(lid v)1.11 E
(alues for the tag are:)-.25 E 37.78(Uu)172 518.4 S
(ser \(authorization\) id)-37.78 E 41.67(Ia)172 530.4 S
(uthentication id)-41.67 E 39.44(Pp)172 542.4 S(assw)-39.44 E(ord)-.1 E
38.33(Rr)172 554.4 S(ealm)-38.33 E 36.11(Ml)172 566.4 S
(ist of mechanisms delimited by spaces)-36.11 E .324
(If this ruleset is de\214ned, the option)132 582.6 R F0(DefaultA)2.823
E(uthInf)-.5 E(o)-.25 E F1 .323(is ignored \(e)2.823 F -.15(ve)-.25 G
2.823(ni).15 G 2.823(ft)-2.823 G .323(he ruleset does not)-2.823 F
(return a `)132 594.6 Q(`useful')-.74 E 2.5('r)-.74 G(esult\).)-2.5 E F0
2.5(5.1.4.19. queuegr)117 618.6 R(oup)-.18 E F1(The)157 634.8 Q F2
(queue)3.918 E(gr)-.4 E(oup)-.45 E F1 1.419
(ruleset is used to map a recipient address to a queue group name.)3.918
F .434(The input for the ruleset is the recipient address \(i.e., the a\
ddress part of the resolv)132 646.8 R .434(ed triple\))-.15 F 1.306
(The ruleset should return)132 658.8 R F0($#)3.807 E F1(follo)3.807 E
1.307(wed by the name of a queue group.)-.25 F 1.307(If the return v)
6.307 F(alue)-.25 E 1.241(starts with an)132 670.8 R 1.241
(ything else it is silently ignored.)-.15 F 1.241
(See the section about `)6.241 F 1.24(`Queue Groups and)-.74 F
(Queue Directories')132 682.8 Q 2.5('f)-.74 G(or further information.)
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-47)195.86 E 2.5(5.1.4.20. gr)117 96 R(eet_pause)-.18 E/F1 10
/Times-Roman@0 SF(The)157 112.2 Q/F2 10/Times-Italic@0 SF(gr)2.792 E
(eet_pause)-.37 E F1 .292
(ruleset is used to specify the amount of time to pause before sending)
2.792 F 1.226(the initial SMTP 220 greeting.)132 124.2 R 1.226(If an)
6.226 F 3.726(yt)-.15 G(raf)-3.726 E 1.226(\214c is recei)-.25 F -.15
(ve)-.25 G 3.726(dd).15 G 1.226(uring that pause, an SMTP 554)-3.726 F
.295(rejection response is gi)132 136.2 R -.15(ve)-.25 G 2.795(ni).15 G
.295(nstead of the 220 greeting and all SMTP commands are rejected)
-2.795 F 1.489(during that connection.)132 148.2 R 1.488
(This helps protect sites from open proxies and SMTP slammers.)6.489 F
.521(The ruleset should return)132 160.2 R F0($#)3.021 E F1(follo)3.021
E .522(wed by the number of milliseconds \(thousandths of a sec-)-.25 F
.729(ond\) to pause.)132 172.2 R .729(If the return v)5.729 F .728
(alue starts with an)-.25 F .728(ything else or is not a number)-.15 F
3.228(,i)-.4 G 3.228(ti)-3.228 G 3.228(ss)-3.228 G(ilently)-3.228 E
3.767(ignored. Note:)132 184.2 R 1.268(this ruleset is not in)3.767 F
-.2(vo)-.4 G -.1(ke).2 G 3.768(d\().1 G 1.268
(and hence the feature is disabled\) when smtps)-3.768 F 1.224(\(SMTP o)
132 196.2 R -.15(ve)-.15 G 3.724(rS).15 G 1.224(SL\) is used, i.e., the)
-3.724 F F2(s)3.724 E F1 1.224(modi\214er is set for the daemon via)
3.724 F F0(DaemonP)3.724 E(ortOp-)-.2 E(tions)132 208.2 Q F1 2.5(,b)C
(ecause in this case the SSL handshak)-2.5 E 2.5(ei)-.1 G 2.5(sp)-2.5 G
(erformed before the greeting is sent.)-2.5 E F0 2.5(5.1.5. IPC)102
232.2 R(mailers)2.5 E F1 1.332
(Some special processing occurs if the ruleset zero resolv)142 248.4 R
1.333(es to an IPC mailer \(that is, a)-.15 F 1.179
(mailer that has \231[IPC]\232 listed as the P)117 260.4 R 1.179
(ath in the)-.15 F F0(M)3.679 E F1 1.179(con\214guration line.)3.679 F
1.178(The host name passed)6.178 F 1.178(after \231$@\232 has MX e)117
272.4 R 1.178(xpansion performed if not deli)-.15 F -.15(ve)-.25 G 1.178
(ring via a named sock).15 F 1.178(et; this looks the)-.1 F
(name up in DNS to \214nd alternate deli)117 284.4 Q -.15(ve)-.25 G
(ry sites.).15 E .442(The host name can also be pro)142 300.6 R .442
(vided as a dotted quad or an IPv6 address in square brack-)-.15 F
(ets; for e)117 312.6 Q(xample:)-.15 E([128.32.149.78])157 328.8 Q(or)
117 345 Q([IPv6:2002:c0a8:51d2::23f4])157 361.2 Q
(This causes direct con)117 377.4 Q -.15(ve)-.4 G
(rsion of the numeric v).15 E(alue to an IP host address.)-.25 E .708(T\
he host name passed in after the \231$@\232 may also be a colon or comm\
a separated list of)142 393.6 R 3.428(hosts. Each)117 405.6 R .928
(is separately MX e)3.428 F .928
(xpanded and the results are concatenated to mak)-.15 F 3.427(e\()-.1 G
(essentially\))-3.427 E 1.281(one long MX list.)117 417.6 R 1.281
(Hosts separated by a comma ha)6.281 F 1.581 -.15(ve t)-.2 H 1.282
(he same MX preference, and for each).15 F 1.136
(colon separated host the MX preference is increased.)117 429.6 R 1.136
(The intent here is to create \231f)6.136 F(ak)-.1 E 1.136(e\232 MX)-.1
F(records that are not published in DNS for pri)117 441.6 Q -.25(va)-.25
G(te internal netw).25 E(orks.)-.1 E
(As a \214nal special case, the host name can be passed in as a te)142
457.8 Q(xt string in square brack)-.15 E(ets:)-.1 E([ucb)157 474 Q -.25
(va)-.15 G(x.berk).25 E(ele)-.1 E -.65(y.)-.15 G(edu]).65 E .312
(This form a)117 490.2 R -.2(vo)-.2 G .312(ids the MX mapping.).2 F F0
(N.B.:)5.312 E F2 .313(This is intended only for situations wher)2.812 F
2.813(ey)-.37 G .313(ou have a)-2.813 F .338(network \214r)117 502.2 R
-.15(ew)-.37 G .337(all or other host that will do special pr).15 F .337
(ocessing for all your mail, so that your MX)-.45 F -.37(re)117 514.2 S
(cor).37 E 3.958(dp)-.37 G 1.458(oints to a gate)-3.958 F 1.458(way mac)
-.15 F 1.458(hine; this mac)-.15 F 1.459(hine could then do dir)-.15 F
1.459(ect delivery to mac)-.37 F(hines)-.15 E .09
(within your local domain.)117 526.2 R .09(Use of this featur)5.09 F
2.59(ed)-.37 G(ir)-2.59 E .09
(ectly violates RFC 1123 section 5.3.5: it should)-.37 F
(not be used lightly)117 538.2 Q(.)-.55 E F0 2.5(5.2. D)87 562.2 R 2.5
<8a44>2.5 G(e\214ne Macr)-2.5 E(o)-.18 E F1 .88
(Macros are named with a single character or with a w)127 578.4 R .881
(ord in {braces}.)-.1 F .881(The names `)5.881 F(`x')-.74 E 3.381('a)
-.74 G(nd)-3.381 E -.74(``)102 590.4 S({x}').74 E 4.35('d)-.74 G 1.85
(enote the same macro for e)-4.35 F -.15(ve)-.25 G 1.849
(ry single character `).15 F(`x')-.74 E 4.349('. Single)-.74 F 1.849
(character names may be)4.349 F .172
(selected from the entire ASCII set, b)102 602.4 R .172(ut user)-.2 F
.173(-de\214ned macros should be selected from the set of upper)-.2 F
.032(case letters only)102 614.4 R 5.032(.L)-.65 G -.25(ow)-5.032 G .031
(er case letters and special symbols are used internally).25 F 5.031(.L)
-.65 G .031(ong names be)-5.031 F(ginning)-.15 E .326(with a lo)102
626.4 R .326(wer case letter or a punctuation character are reserv)-.25
F .327(ed for use by sendmail, so user)-.15 F(-de\214ned)-.2 E
(long macro names should be)102 638.4 Q(gin with an upper case letter)
-.15 E(.)-.55 E(The syntax for macro de\214nitions is:)127 654.6 Q F0(D)
142 670.8 Q F2 1.666(xv)C(al)-1.666 E F1(where)102 687 Q F2(x)3.069 E F1
.569(is the name of the macro \(which may be a single character or a w)
3.069 F .568(ord in braces\) and)-.1 F F2(val)3.068 E F1(is)3.068 E .478
(the v)102 699 R .478(alue it should ha)-.25 F -.15(ve)-.2 G 5.478(.T)
.15 G .478(here should be no spaces gi)-5.478 F -.15(ve)-.25 G 2.978(nt)
.15 G .479(hat do not actually belong in the macro)-2.978 F -.25(va)102
711 S(lue.).25 E 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-48 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF .494
(Macros are interpolated using the construct)127 96 R F0($)2.994 E/F2 10
/Times-Italic@0 SF(x)A F1 2.994(,w)C(here)-2.994 E F2(x)2.994 E F1 .494
(is the name of the macro to be inter)2.994 F(-)-.2 E 2.932
(polated. This)102 108 R .432
(interpolation is done when the con\214guration \214le is read, e)2.932
F .433(xcept in)-.15 F F0(M)2.933 E F1 2.933(lines. The)2.933 F(spe-)
2.933 E(cial construct)102 120 Q F0($&)2.5 E F2(x)A F1(can be used in)
2.5 E F0(R)2.5 E F1(lines to get deferred interpolation.)2.5 E
(Conditionals can be speci\214ed using the syntax:)127 136.2 Q($?x te)
142 152.4 Q(xt1 $| te)-.15 E(xt2 $.)-.15 E 1.562(This interpolates)102
168.6 R F2(te)4.062 E(xt1)-.2 E F1 1.562(if the macro)4.062 F F0($x)
4.062 E F1 1.562(is set and non-null, and)4.062 F F2(te)4.062 E(xt2)-.2
E F1 4.062(otherwise. The)4.062 F 1.561(\231else\232 \()4.061 F F0($|)A
F1(\))A(clause may be omitted.)102 180.6 Q 1.302(The follo)127 196.8 R
1.302(wing macros are de\214ned and/or used internally by)-.25 F F2
(sendmail)3.803 E F1 1.303(for interpolation into)3.803 F(ar)102 210.8 Q
(gv')-.18 E 2.793(sf)-.55 G .293(or mailers or for other conte)-2.793 F
2.793(xts. The)-.15 F .293(ones mark)2.793 F .292
(ed \207 are information passed into sendmail)-.1 F/F3 7/Times-Roman@0
SF(16)-4 I F1(,)4 I .035(the ones mark)102 222.8 R .036(ed \210 are inf\
ormation passed both in and out of sendmail, and the unmark)-.1 F .036
(ed macros are)-.1 F(passed out of sendmail b)102 234.8 Q
(ut are not otherwise used internally)-.2 E 5(.T)-.65 G
(hese macros are:)-5 E 13.06($a The)102 251 R
(origination date in RFC 822 format.)2.5 E(This is e)5 E
(xtracted from the Date: line.)-.15 E 12.5($b The)102 267.2 R
(current date in RFC 822 format.)2.5 E 13.06($c The)102 283.4 R .003
(hop count.)2.503 F .003(This is a count of the number of Recei)5.003 F
-.15(ve)-.25 G .002(d: lines plus the v).15 F .002(alue of the)-.25 F F0
<ad68>2.502 E F1(com-)2.502 E(mand line \215ag.)127 295.4 Q 12.5($d The)
102 311.6 R(current date in UNIX \(ctime\) format.)2.5 E 8.06
($e\207 \(Obsolete;)102 327.8 R 1.814
(use SmtpGreetingMessage option instead.\))4.314 F 1.814
(The SMTP entry message.)6.814 F 1.814(This is)6.814 F .632
(printed out when SMTP starts up.)127 339.8 R .631(The \214rst w)5.631 F
.631(ord must be the)-.1 F F0($j)3.131 E F1 .631
(macro as speci\214ed by RFC)3.131 F 2.97(821. Def)127 351.8 R .47
(aults to \231$j Sendmail $v ready at $b\232.)-.1 F .47
(Commonly rede\214ned to include the con\214gu-)5.47 F(ration v)127
363.8 Q(ersion number)-.15 E 2.5(,e)-.4 G
(.g., \231$j Sendmail $v/$Z ready at $b\232)-2.5 E 14.17($f The)102 380
R(en)2.5 E -.15(ve)-.4 G(lope sender \(from\) address.).15 E 12.5
($g The)102 396.2 R .018(sender address relati)2.518 F .318 -.15(ve t)
-.25 H 2.518(ot).15 G .018(he recipient.)-2.518 F -.15(Fo)5.018 G 2.518
(re).15 G .017(xample, if)-2.668 F F0($f)2.517 E F1 .017
(is \231foo\232,)2.517 F F0($g)2.517 E F1 .017
(will be \231host!foo\232,)2.517 F(\231foo@host.domain\232, or whate)127
408.2 Q -.15(ve)-.25 G 2.5(ri).15 G 2.5(sa)-2.5 G
(ppropriate for the recei)-2.5 E(ving mailer)-.25 E(.)-.55 E 12.5
($h The)102 424.4 R(recipient host.)2.5 E
(This is set in ruleset 0 from the $@ \214eld of a parsed address.)5 E
14.72($i The)102 440.6 R(queue id, e.g., \231f344MXxp018717\232.)2.5 E
9.72($j\210 The)102 456.8 R(\231of)2.746 E .247
(\214cial\232 domain name for this site.)-.25 F .247
(This is fully quali\214ed if the full quali\214cation can be)5.247 F
3.094(found. It)127 468.8 R F2(must)3.094 E F1 .593(be rede\214ned to b\
e the fully quali\214ed domain name if your system is not con-)3.094 F
(\214gured so that information can \214nd it automatically)127 480.8 Q
(.)-.65 E 12.5($k The)102 497 R
(UUCP node name \(from the uname system call\).)2.5 E 9.72
($l\207 \(Obsolete;)102 513.2 R 1.281
(use UnixFromLine option instead.\))3.781 F 1.282
(The format of the UNIX from line.)6.282 F(Unless)6.282 E 1.41(you ha)
127 525.2 R 1.71 -.15(ve c)-.2 H 1.409
(hanged the UNIX mailbox format, you should not change the def).15 F
1.409(ault, which is)-.1 F(\231From $g $d\232.)127 537.2 Q 9.72($m The)
102 553.4 R .718(domain part of the)3.218 F F2 -.1(ge)3.218 G(thostname)
.1 E F1 .718(return v)3.218 F 3.219(alue. Under)-.25 F .719
(normal circumstances,)3.219 F F0($j)3.219 E F1 .719(is equi)3.219 F(v-)
-.25 E(alent to)127 565.4 Q F0($w)2.5 E(.$m)-.7 E F1(.)A 7.5($n\207 The)
102 581.6 R(name of the daemon \(for error messages\).)2.5 E(Def)5 E
(aults to \231MAILER-D)-.1 E(AEMON\232.)-.4 E 7.5($o\207 \(Obsolete:)102
597.8 R .651(use OperatorChars option instead.\))3.151 F .651
(The set of \231operators\232 in addresses.)5.651 F 3.15(Al)5.65 G .65
(ist of)-3.15 F .581(characters which will be considered tok)127 609.8 R
.582(ens and which will separate tok)-.1 F .582(ens when doing pars-)-.1
F 3.278(ing. F)127 621.8 R .778(or e)-.15 F .778
(xample, if \231@\232 were in the)-.15 F F0($o)3.278 E F1 .777
(macro, then the input \231a@b\232 w)3.278 F .777(ould be scanned as)-.1
F .627(three tok)127 633.8 R .627(ens: \231a,)-.1 F 3.127<9a99>-.7 G(@,)
-3.127 E 3.127<9a61>-.7 G .627(nd \231b)-3.127 F 4.527 -.7(.\232 D)-.4 H
(ef).7 E .628
(aults to \231.:@[]\232, which is the minimum set necessary to)-.1 F
.856(do RFC 822 parsing; a richer set of operators is \231.:%@!/[]\232,\
 which adds support for UUCP)127 645.8 R(,)-1.11 E
(the %-hack, and X.400 addresses.)127 657.8 Q .32 LW 76 678.8 72 678.8
DL 80 678.8 76 678.8 DL 84 678.8 80 678.8 DL 88 678.8 84 678.8 DL 92
678.8 88 678.8 DL 96 678.8 92 678.8 DL 100 678.8 96 678.8 DL 104 678.8
100 678.8 DL 108 678.8 104 678.8 DL 112 678.8 108 678.8 DL 116 678.8 112
678.8 DL 120 678.8 116 678.8 DL 124 678.8 120 678.8 DL 128 678.8 124
678.8 DL 132 678.8 128 678.8 DL 136 678.8 132 678.8 DL 140 678.8 136
678.8 DL 144 678.8 140 678.8 DL 148 678.8 144 678.8 DL 152 678.8 148
678.8 DL 156 678.8 152 678.8 DL 160 678.8 156 678.8 DL 164 678.8 160
678.8 DL 168 678.8 164 678.8 DL 172 678.8 168 678.8 DL 176 678.8 172
678.8 DL 180 678.8 176 678.8 DL 184 678.8 180 678.8 DL 188 678.8 184
678.8 DL 192 678.8 188 678.8 DL 196 678.8 192 678.8 DL 200 678.8 196
678.8 DL 204 678.8 200 678.8 DL 208 678.8 204 678.8 DL 212 678.8 208
678.8 DL 216 678.8 212 678.8 DL/F4 5/Times-Roman@0 SF(16)93.6 689.2 Q/F5
8/Times-Roman@0 SF(As of v)3.2 I(ersion 8.6, all of these macros ha)-.12
E .24 -.12(ve r)-.16 H(easonable def).12 E 2(aults. Pre)-.08 F(vious v)
-.2 E(ersions required that the)-.12 E 2(yb)-.12 G 2(ed)-2 G(e\214ned.)
-2 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-49)195.86 E/F1 10/Times-Roman@0 SF 12.5($p Sendmail')102 96 R
2.5(sp)-.55 G(rocess id.)-2.5 E 7.5($q\207 Def)102 112.2 R .403
(ault format of sender address.)-.1 F(The)5.403 E F0($q)2.903 E F1 .403
(macro speci\214es ho)2.903 F 2.903(wa)-.25 G 2.904(na)-2.903 G .404
(ddress should appear in a)-2.904 F 1.181(message when it is def)127
124.2 R 3.681(aulted. Def)-.1 F 1.181(aults to \231<$g>\232.)-.1 F 1.18
(It is commonly rede\214ned to be \231$?x$x)6.181 F(<$g>$|$g$.)127 136.2
Q 5<9a6f>-.7 G 2.5<7299>-5 G($g$?x \($x\)$.)-2.5 E
(\232, corresponding to the follo)-.7 E(wing tw)-.25 E 2.5(of)-.1 G
(ormats:)-2.5 E(Eric Allman <eric@CS.Berk)167 152.4 Q(ele)-.1 E -.65(y.)
-.15 G(EDU>).65 E(eric@CS.Berk)167 164.4 Q(ele)-.1 E -.65(y.)-.15 G
(EDU \(Eric Allman\)).65 E/F2 10/Times-Italic@0 SF(Sendmail)127 180.6 Q
F1(properly quotes names that ha)2.5 E .3 -.15(ve s)-.2 H
(pecial characters if the \214rst form is used.).15 E 14.17($r Protocol)
102 196.8 R .976(used to recei)3.476 F 1.276 -.15(ve t)-.25 H .976
(he message.).15 F .976(Set from the)5.976 F F0<ad70>3.476 E F1 .977
(command line \215ag or by the SMTP)3.476 F(serv)127 208.8 Q(er code.)
-.15 E 13.61($s Sender')102 225 R 3.947(sh)-.55 G 1.447(ost name.)-3.947
F 1.447(Set from the)6.447 F F0<ad70>3.947 E F1 1.447
(command line \215ag or by the SMTP serv)3.947 F 1.446(er code \(in)-.15
F(which case it is set to the EHLO/HELO parameter\).)127 237 Q 14.72
($t A)102 253.2 R 1.607(numeric representation of the current time in t\
he format YYYYMMDDHHmm \(4 digit)4.106 F .576(year 1900-9999, 2 digit m\
onth 01-12, 2 digit day 01-31, 2 digit hours 00-23, 2 digit minutes)127
265.2 R(00-59\).)127 277.2 Q 12.5($u The)102 293.4 R(recipient user)2.5
E(.)-.55 E 12.5($v The)102 309.6 R -.15(ve)2.5 G(rsion number of the).15
E F2(sendmail)2.5 E F1(binary)2.5 E(.)-.65 E 5.28($w\210 The)102 325.8 R
(hostname of this site.)2.5 E(This is the root name of this host \(b)5 E
(ut see belo)-.2 E 2.5(wf)-.25 G(or ca)-2.5 E -.15(ve)-.2 G(ats\).).15 E
12.5($x The)102 342 R(full name of the sender)2.5 E(.)-.55 E 13.06
($z The)102 358.2 R(home directory of the recipient.)2.5 E 12.5($_ The)
102 374.4 R -.25(va)2.5 G(lidated sender address.).25 E(See also)5 E F0
(${client_r)2.5 E(esolv)-.18 E(e})-.1 E F1(.)A(${addr_type})102 390.6 Q
.802(The type of the address which is currently being re)127 402.6 R
3.303(written. This)-.25 F .803(macro contains up to three)3.303 F .393
(characters, the \214rst is either `e' or `h' for en)127 414.6 R -.15
(ve)-.4 G .392(lope/header address, the second is a space, and).15 F
(the third is either `s' or `r' for sender/recipient address.)127 426.6
Q(${alg_bits})102 442.8 Q .242(The maximum k)127 454.8 R -.15(ey)-.1 G
.243(length \(in bits\) of the symmetric encryption algorithm used for \
a TLS con-).15 F 2.823(nection. This)127 466.8 R .322
(may be less than the ef)2.823 F(fecti)-.25 E .622 -.15(ve k)-.25 H -.15
(ey).05 G .322(length, which is stored in).15 F F0(${cipher_bits})2.822
E F1 2.822(,f)C(or)-2.822 E -.74(``)127 478.8 S -.15(ex).74 G
(port controlled').15 E 2.5('a)-.74 G(lgorithms.)-2.5 E(${auth_authen})
102 495 Q 1.222(The client')127 507 R 3.722(sa)-.55 G 1.223(uthenticati\
on credentials as determined by authentication \(only set if success-)
-3.722 F 2.728(ful\). The)127 519 R .227(format depends on the mechanis\
m used, it might be just `user', or `user@realm', or)2.728 F
(something similar \(SMTP A)127 531 Q(UTH only\).)-.55 E(${auth_author})
102 547.2 Q 1.301(The authorization identity)127 559.2 R 3.801(,i)-.65 G
1.301(.e. the A)-3.801 F 1.301(UTH= parameter of the)-.55 F/F3 9
/Times-Roman@0 SF 1.302(SMTP MAIL)3.801 F F1 1.302(command if sup-)3.802
F(plied.)127 571.2 Q(${auth_type})102 587.4 Q
(The mechanism used for SMTP authentication \(only set if successful\).)
127 599.4 Q(${auth_ssf})102 615.6 Q .321(The k)127 627.6 R -.15(ey)-.1 G
.321(length \(in bits\) of the symmetric encryption algorithm used for \
the security layer of a).15 F(SASL mechanism.)127 639.6 Q(${bodytype})
102 655.8 Q
(The message body type \(7BIT or 8BITMIME\), as determined from the en)
127 667.8 Q -.15(ve)-.4 G(lope.).15 E(${cert_fp})102 684 Q 2.288
(The \214ngerprint of the presented certi\214cate \(ST)127 696 R(AR)-.93
E 2.288(TTLS only\).)-.6 F 2.289(Note: this macro is only)7.288 F .017
(de\214ned if the option)127 708 R F0(CertFinger)2.517 E(printAlgorithm)
-.1 E F1 .016(is set, in which case the speci\214ed \214ngerprint)2.517
F 1.076(algorithm is used.)127 720 R 1.077(The v)6.077 F 1.077
(alid algorithms depend on the OpenSSL v)-.25 F 1.077(ersion, b)-.15 F
1.077(ut usually md5,)-.2 F 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-50 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF
(sha1, and sha256 are a)127 96 Q -.25(va)-.2 G 2.5(ilable. See).25 F
(openssl dgst -h)167 112.2 Q(for a list.)127 128.4 Q(${cert_issuer})102
144.6 Q .709(The DN \(distinguished name\) of the CA \(certi\214cate au\
thority\) that signed the presented cer)127 156.6 R(-)-.2 E
(ti\214cate \(the cert issuer\) \(ST)127 168.6 Q(AR)-.93 E(TTLS only\).)
-.6 E(${cert_md5})102 184.8 Q 2.134
(The MD5 hash of the presented certi\214cate \(ST)127 196.8 R(AR)-.93 E
2.134(TTLS only\).)-.6 F 2.134(Note: this macro is only)7.134 F
(de\214ned if the option)127 208.8 Q F0(CertFinger)2.5 E(printAlgorithm)
-.1 E F1(is not set.)2.5 E(${cert_subject})102 225 Q
(The DN of the presented certi\214cate \(called the cert subject\) \(ST)
127 237 Q(AR)-.93 E(TTLS only\).)-.6 E(${cipher})102 253.2 Q .228(The c\
ipher suite used for the connection, e.g., EDH-DSS-DES-CBC3-SHA, EDH-RS\
A-DES-)127 265.2 R(CBC-SHA, DES-CBC-MD5, DES-CBC3-SHA \(ST)127 277.2 Q
(AR)-.93 E(TTLS only\).)-.6 E(${cipher_bits})102 293.4 Q .687(The ef)127
305.4 R(fecti)-.25 E .987 -.15(ve k)-.25 H -.15(ey).05 G .688(length \(\
in bits\) of the symmetric encryption algorithm used for a TLS con-).15
F(nection.)127 317.4 Q(${client_addr})102 333.6 Q 2.302
(The IP address of the SMTP client.)127 345.6 R 2.302
(IPv6 addresses are tagged with "IPv6:" before the)7.302 F 2.5
(address. De\214ned)127 357.6 R(in the SMTP serv)2.5 E(er only)-.15 E(.)
-.65 E(${client_connections})102 373.8 Q
(The number of open connections in the SMTP serv)127 385.8 Q
(er for the client IP address.)-.15 E(${client_\215ags})102 402 Q 1.524
(The \215ags speci\214ed by the Modi\214er= part of)127 414 R F0
(ClientP)4.024 E(ortOptions)-.2 E F1 1.525(where \215ags are separated)
4.024 F 1.133
(from each other by spaces and upper case \215ags are doubled.)127 426 R
1.132(That is, Modi\214er=hA will be)6.132 F(represented as "h AA" in)
127 438 Q F0(${client_\215ags})2.5 E F1 2.5(,w)C
(hich is required for testing the \215ags in rulesets.)-2.5 E
(${client_name})102 454.2 Q .24(The host name of the SMTP client.)127
466.2 R .241(This may be the client')5.24 F 2.741(sb)-.55 G(rack)-2.741
E .241(eted IP address in the form)-.1 F 3.322([n)127 478.2 S .821(nn.n\
nn.nnn.nnn ] for IPv4 and [ IPv6:nnnn:...:nnnn ] for IPv6 if the client\
')-3.322 F 3.321(sI)-.55 G 3.321(Pa)-3.321 G .821(ddress is)-3.321 F .21
(not resolv)127 490.2 R .21(able, or if it is resolv)-.25 F .21(able b)
-.25 F .21(ut the IP address of the resolv)-.2 F .21(ed hostname doesn')
-.15 F 2.71(tm)-.18 G(atch)-2.71 E(the original IP address.)127 502.2 Q
(De\214ned in the SMTP serv)5 E(er only)-.15 E 5(.S)-.65 G(ee also)-5 E
F0(${client_r)2.5 E(esolv)-.18 E(e})-.1 E F1(.)A(${client_port})102
518.4 Q(The port number of the SMTP client.)127 530.4 Q
(De\214ned in the SMTP serv)5 E(er only)-.15 E(.)-.65 E(${client_ptr})
102 546.6 Q 3.634
(The result of the PTR lookup for the client IP address.)127 558.6 R
3.633(Note: this is the same as)8.634 F F0(${client_name})127 570.6 Q F1
(if and only if)2.5 E F0(${client_r)2.5 E(esolv)-.18 E(e})-.1 E F1
(is OK.)2.5 E(De\214ned in the SMTP serv)5 E(er only)-.15 E(.)-.65 E
(${client_rate})102 586.8 Q .266
(The number of incoming connections for the client IP address o)127
598.8 R -.15(ve)-.15 G 2.766(rt).15 G .266(he time interv)-2.766 F .266
(al speci\214ed)-.25 F(by ConnectionRateW)127 610.8 Q(indo)-.4 E(wSize.)
-.25 E(${client_resolv)102 627 Q(e})-.15 E
(Holds the result of the resolv)127 639 Q 2.5(ec)-.15 G(all for)-2.5 E
F0(${client_name})2.5 E F1 5(.P)C(ossible v)-5 E(alues are:)-.25 E 33.06
(OK resolv)167 655.2 R(ed successfully)-.15 E -.74(FA)167 667.2 S 26.02
(IL permanent).74 F(lookup f)2.5 E(ailure)-.1 E 7.5(FORGED forw)167
679.2 R(ard lookup doesn')-.1 E 2.5(tm)-.18 G(atch re)-2.5 E -.15(ve)
-.25 G(rse lookup).15 E 20.83(TEMP temporary)167 691.2 R(lookup f)2.5 E
(ailure)-.1 E .208(De\214ned in the SMTP serv)127 707.4 R .208(er only)
-.15 F(.)-.65 E/F2 10/Times-Italic@0 SF(sendmail)5.208 E F1 .208
(performs a hostname lookup on the IP address of)2.708 F .561
(the connecting client.)127 719.4 R(Ne)5.561 E .561
(xt the IP addresses of that hostname are look)-.15 F .561(ed up.)-.1 F
.562(If the client IP)5.562 F 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-51)195.86 E/F1 10/Times-Roman@0 SF .782
(address does not appear in that list, then the hostname is maybe for)
127 96 R 3.282(ged. This)-.18 F .781(is re\215ected as)3.282 F(the v)127
108 Q(alue FORGED for)-.25 E F0(${client_r)2.5 E(esolv)-.18 E(e})-.1 E
F1(and it also sho)2.5 E(ws up in)-.25 E F0($_)2.5 E F1
(as "\(may be for)2.5 E(ged\)".)-.18 E(${cn_issuer})102 124.2 Q .874(Th\
e CN \(common name\) of the CA that signed the presented certi\214cate \
\(ST)127 136.2 R(AR)-.93 E .874(TTLS only\).)-.6 F .376
(Note: if the CN cannot be e)127 148.2 R .376
(xtracted properly it will be replaced by one of these strings based)
-.15 F(on the encountered error:)127 160.2 Q 8.62
(BadCerti\214cateContainsNUL CN)167 176.4 R(contains a NUL character)2.5
E(BadCerti\214cateT)167 188.4 Q 28.31(ooLong CN)-.8 F(is too long)2.5 E
(BadCerti\214cateUnkno)167 200.4 Q 25.54(wn CN)-.25 F(could not be e)2.5
E(xtracted)-.15 E
(In the last case, some other \(unspeci\214c\) error occurred.)127 216.6
Q(${cn_subject})102 232.8 Q 1.251
(The CN \(common name\) of the presented certi\214cate \(ST)127 244.8 R
(AR)-.93 E 1.251(TTLS only\).)-.6 F(See)6.251 E F0(${cn_issuer})3.751 E
F1(for possible replacements.)127 256.8 Q(${currHeader})102 273 Q .164
(Header v)127 285 R .164(alue as quoted string \(possibly truncated to)
-.25 F F0(MAXN)2.664 E(AME)-.2 E F1 2.664(\). This)B .163
(macro is only a)2.664 F -.25(va)-.2 G(il-).25 E
(able in header check rulesets.)127 297 Q(${daemon_addr})102 313.2 Q
(The IP address the daemon is listening on for connections.)127 325.2 Q
(${daemon_f)102 341.4 Q(amily})-.1 E .355(The netw)127 353.4 R .355
(ork f)-.1 F .356(amily if the daemon is accepting netw)-.1 F .356
(ork connections.)-.1 F .356(Possible v)5.356 F .356(alues include)-.25
F(\231inet\232, \231inet6\232, \231iso\232, \231ns\232, \231x.25\232)127
365.4 Q(${daemon_\215ags})102 381.6 Q .103
(The \215ags for the daemon as speci\214ed by the Modi\214er= part of)
127 393.6 R F0(DaemonP)2.603 E(ortOptions)-.2 E F1(whereby)2.603 E .548
(the \215ags are separated from each other by spaces, and upper case \
\215ags are doubled.)127 405.6 R .549(That is,)5.549 F .37
(Modi\214er=Ea will be represented as "EE a" in)127 417.6 R F0
(${daemon_\215ags})2.87 E F1 2.87(,w)C .37(hich is required for testing)
-2.87 F(the \215ags in rulesets.)127 429.6 Q(${daemon_info})102 445.8 Q
4.763(Some information about a daemon as a te)127 457.8 R 4.764
(xt string.)-.15 F -.15(Fo)9.764 G 7.264(re).15 G 4.764
(xample, \231SMTP+queue-)-7.414 F(ing@00:30:00\232.)127 469.8 Q
(${daemon_name})102 486 Q .734(The name of the daemon from)127 498 R F0
(DaemonP)3.234 E(ortOptions)-.2 E F1 .734(Name= suboption.)3.234 F .734
(If this suboption is)5.734 F
(not set, "Daemon#", where # is the daemon number)127 510 Q 2.5(,i)-.4 G
2.5(su)-2.5 G(sed.)-2.5 E(${daemon_port})102 526.2 Q 1.459
(The port the daemon is accepting connection on.)127 538.2 R(Unless)
6.459 E F0(DaemonP)3.959 E(ortOptions)-.2 E F1 1.46(is set, this)3.959 F
(will most lik)127 550.2 Q(ely be \23125\232.)-.1 E(${deli)102 566.4 Q
-.15(ve)-.25 G(ryMode}).15 E .806(The current deli)127 578.4 R -.15(ve)
-.25 G .806(ry mode sendmail is using.).15 F .806
(It is initially set to the v)5.806 F .805(alue of the)-.25 F F0(Deli)
3.305 E -.1(ve)-.1 G(ry-).1 E(Mode)127 590.4 Q F1(option.)2.5 E(${en)102
606.6 Q(vid})-.4 E(The en)127 618.6 Q -.15(ve)-.4 G
(lope id parameter \(ENVID=\) passed to sendmail as part of the en).15 E
-.15(ve)-.4 G(lope.).15 E(${hdrlen})102 634.8 Q .339
(The length of the header v)127 646.8 R .339
(alue which is stored in ${currHeader} \(before possible truncation\).)
-.25 F(If this v)127 658.8 Q(alue is greater than or equal to)-.25 E F0
(MAXN)2.5 E(AME)-.2 E F1(the header has been truncated.)2.5 E
(${hdr_name})102 675 Q .167(The name of the header \214eld for which th\
e current header check ruleset has been called.)127 687 R(This)5.166 E
.831(is useful for a def)127 699 R .832(ault header check ruleset to ge\
t the name of the header; the macro is only)-.1 F -.2(av)127 711 S
(ailable in header check rulesets.)-.05 E 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-52 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF
(${if_addr})102 96 Q 1.194(The IP address of the interf)127 108 R 1.194
(ace of an incoming connection unless it is in the loopback net.)-.1 F
(IPv6 addresses are tagged with "IPv6:" before the address.)127 120 Q
(${if_addr_out})102 136.2 Q 1.332(The IP address of the interf)127 148.2
R 1.333(ace of an outgoing connection unless it is in the loopback net.)
-.1 F(IPv6 addresses are tagged with "IPv6:" before the address.)127
160.2 Q(${if_f)102 176.4 Q(amily})-.1 E(The IP f)127 188.4 Q
(amily of the interf)-.1 E
(ace of an incoming connection unless it is in the loopback net.)-.1 E
(${if_f)102 204.6 Q(amily_out})-.1 E(The IP f)127 216.6 Q
(amily of the interf)-.1 E
(ace of an outgoing connection unless it is in the loopback net.)-.1 E
(${if_name})102 232.8 Q 1.086(The hostname associated with the interf)
127 244.8 R 1.086(ace of an incoming connection.)-.1 F 1.086
(This macro can be)6.086 F(used for SmtpGreetingMessage and HRecei)127
256.8 Q -.15(ve)-.25 G 2.5(df).15 G(or virtual hosting.)-2.5 E -.15(Fo)5
G 2.5(re).15 G(xample:)-2.65 E 2.5(OS)167 273 S
(mtpGreetingMessage=$?{if_name}${if_name}$|$j$. MT)-2.5 E(A)-.93 E
(${if_name_out})102 293.4 Q(The name of the interf)127 305.4 Q
(ace of an outgoing connection.)-.1 E(${load_a)102 321.6 Q(vg})-.2 E
(The current load a)127 333.6 Q -.15(ve)-.2 G(rage.).15 E(${mail_addr})
102 349.8 Q 1.239(The address part of the resolv)127 361.8 R 1.239
(ed triple of the address gi)-.15 F -.15(ve)-.25 G 3.739(nf).15 G 1.239
(or the)-3.739 F/F2 9/Times-Roman@0 SF 1.24(SMTP MAIL)3.739 F F1
(command.)3.74 E(De\214ned in the SMTP serv)127 373.8 Q(er only)-.15 E
(.)-.65 E(${mail_host})102 390 Q .146(The host from the resolv)127 402 R
.146(ed triple of the address gi)-.15 F -.15(ve)-.25 G 2.646(nf).15 G
.146(or the)-2.646 F F2 .145(SMTP MAIL)2.646 F F1 2.645
(command. De\214ned)2.645 F(in the SMTP serv)127 414 Q(er only)-.15 E(.)
-.65 E(${mail_mailer})102 430.2 Q 2.14(The mailer from the resolv)127
442.2 R 2.14(ed triple of the address gi)-.15 F -.15(ve)-.25 G 4.641(nf)
.15 G 2.141(or the)-4.641 F F2 2.141(SMTP MAIL)4.641 F F1(command.)4.641
E(De\214ned in the SMTP serv)127 454.2 Q(er only)-.15 E(.)-.65 E
(${msg_id})102 470.4 Q(The v)127 482.4 Q(alue of the Message-Id: header)
-.25 E(.)-.55 E(${msg_size})102 498.6 Q 1.033(The v)127 510.6 R 1.033
(alue of the SIZE= parameter)-.25 F 3.533(,i)-.4 G 1.032
(.e., usually the size of the message \(in an ESMTP dia-)-3.533 F 1.252
(logue\), before the message has been collected, thereafter the message\
 size as computed by)127 522.6 R/F3 10/Times-Italic@0 SF(sendmail)127
534.6 Q F1(\(and can be used in check_compat\).)2.5 E(${nbadrcpts})102
550.8 Q(The number of bad recipients for a single message.)127 562.8 Q
(${nrcpts})102 579 Q .049(The number of v)127 591 R .049
(alidated recipients for a single message.)-.25 F .048
(Note: since recipient v)5.048 F .048(alidation hap-)-.25 F .472
(pens after)127 603 R F3 -.15(ch)2.973 G(ec).15 E(k_r)-.2 E(cpt)-.37 E
F1 .473(has been called, the v)2.973 F .473
(alue in this ruleset is one less than what might be)-.25 F -.15(ex)127
615 S(pected.).15 E(${ntries})102 631.2 Q(The number of deli)127 643.2 Q
-.15(ve)-.25 G(ry attempts.).15 E(${opMode})102 659.4 Q
(The current operation mode \(from the)127 671.4 Q F0<ad62>2.5 E F1
(\215ag\).)2.5 E(${quarantine})102 687.6 Q
(The quarantine reason for the en)127 699.6 Q -.15(ve)-.4 G
(lope, if it is quarantined.).15 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-53)195.86 E/F1 10/Times-Roman@0 SF(${queue_interv)102 96 Q(al})
-.25 E .362(The queue run interv)127 108 R .362(al gi)-.25 F -.15(ve)
-.25 G 2.862(nb).15 G 2.862(yt)-2.862 G(he)-2.862 E F0<ad71>2.861 E F1
2.861(\215ag. F)2.861 F .361(or e)-.15 F(xample,)-.15 E F0(\255q30m)
2.861 E F1 -.1(wo)2.861 G .361(uld set).1 F F0(${queue_inter)2.861 E(-)
-.37 E -.1(va)127 120 S(l}).1 E F1(to \23100:30:00\232.)2.5 E
(${rcpt_addr})102 136.2 Q 1.271(The address part of the resolv)127 148.2
R 1.272(ed triple of the address gi)-.15 F -.15(ve)-.25 G 3.772(nf).15 G
1.272(or the)-3.772 F/F2 9/Times-Roman@0 SF 1.272(SMTP RCPT)3.772 F F1
(command.)3.772 E(De\214ned in the SMTP serv)127 160.2 Q
(er only after a RCPT command.)-.15 E(${rcpt_host})102 176.4 Q .179
(The host from the resolv)127 188.4 R .178(ed triple of the address gi)
-.15 F -.15(ve)-.25 G 2.678(nf).15 G .178(or the)-2.678 F F2 .178
(SMTP RCPT)2.678 F F1 2.678(command. De\214ned)2.678 F(in the SMTP serv)
127 200.4 Q(er only after a RCPT command.)-.15 E(${rcpt_mailer})102
216.6 Q 2.175(The mailer from the resolv)127 228.6 R 2.175
(ed triple of the address gi)-.15 F -.15(ve)-.25 G 4.675(nf).15 G 2.175
(or the)-4.675 F F2 2.176(SMTP RCPT)4.676 F F1(command.)4.676 E
(De\214ned in the SMTP serv)127 240.6 Q(er only after a RCPT command.)
-.15 E(${serv)102 256.8 Q(er_addr})-.15 E .515(The address of the serv)
127 268.8 R .514(er of the current outgoing SMTP connection.)-.15 F -.15
(Fo)5.514 G 3.014(rL).15 G .514(MTP deli)-3.014 F -.15(ve)-.25 G .514
(ry the).15 F(macro is set to the name of the mailer)127 280.8 Q(.)-.55
E(${serv)102 297 Q(er_name})-.15 E(The name of the serv)127 309 Q
(er of the current outgoing SMTP or LMTP connection.)-.15 E(${time})102
325.2 Q .006(The output of the)127 337.2 R/F3 10/Times-Italic@0 SF(time)
2.506 E F1 .007(\(3\) function, i.e., the number of seconds since 0 hou\
rs, 0 minutes, 0 sec-)B(onds, January 1, 1970, Coordinated Uni)127 349.2
Q -.15(ve)-.25 G(rsal T).15 E(ime \(UTC\).)-.35 E(${tls_v)102 365.4 Q
(ersion})-.15 E .85(The TLS/SSL v)127 377.4 R .849(ersion used for the \
connection, e.g., TLSv1.2, TLSv1; de\214ned after ST)-.15 F(AR)-.93 E
-.92(T-)-.6 G(TLS has been used.)127 389.4 Q(${total_rate})102 405.6 Q
1.373(The total number of incoming connections o)127 417.6 R -.15(ve)
-.15 G 3.873(rt).15 G 1.373(he time interv)-3.873 F 1.374
(al speci\214ed by Connection-)-.25 F(RateW)127 429.6 Q(indo)-.4 E
(wSize.)-.25 E(${v)102 445.8 Q(erify})-.15 E 1.141(The result of the v)
127 457.8 R 1.141
(eri\214cation of the presented cert; only de\214ned after ST)-.15 F(AR)
-.93 E 1.14(TTLS has been)-.6 F(used \(or attempted\).)127 469.8 Q
(Possible v)5 E(alues are:)-.25 E 48.06(OK v)167 486 R
(eri\214cation succeeded.)-.15 E 48.06(NO no)167 498 R(cert presented.)
2.5 E(NO)167 510 Q 44.85(Tn)-.4 G 2.5(oc)-44.85 G(ert requested.)-2.5 E
-.74(FA)167 522 S 41.02(IL cert).74 F(presented b)2.5 E
(ut could not be v)-.2 E(eri\214ed,)-.15 E
(e.g., the signing CA is missing.)232 534 Q 34.73(NONE ST)167 546 R(AR)
-.93 E(TTLS has not been performed.)-.6 E 29.72(CLEAR ST)167 558 R(AR)
-.93 E(TTLS has been disabled internally for a clear te)-.6 E(xt deli)
-.15 E -.15(ve)-.25 G(ry attempt.).15 E 35.83(TEMP temporary)167 570 R
(error occurred.)2.5 E(PR)167 582 Q -1.88 -.4(OT O)-.4 H 10.7(COL some)
.4 F(protocol error occurred)2.5 E(at the ESMTP le)232 594 Q -.15(ve)
-.25 G 2.5(l\().15 G(not TLS\).)-2.5 E(SOFTW)167 606 Q 9.81(ARE ST)-1.2
F(AR)-.93 E(TTLS handshak)-.6 E 2.5(ef)-.1 G(ailed,)-2.6 E(which is a f)
232 618 Q(atal error for this session,)-.1 E(the e-mail will be queued.)
232 630 Q .749(There are three types of dates that can be used.)127
650.4 R(The)5.749 E F0($a)3.249 E F1(and)3.249 E F0($b)3.249 E F1 .749
(macros are in RFC 822 for)3.249 F(-)-.2 E(mat;)102 662.4 Q F0($a)3.214
E F1 .714(is the time as e)3.214 F .713
(xtracted from the \231Date:\232 line of the message \(if there w)-.15 F
.713(as one\), and)-.1 F F0($b)3.213 E F1(is)3.213 E .056
(the current date and time \(used for postmarks\).)102 674.4 R .057
(If no \231Date:\232 line is found in the incoming message,)5.056 F F0
($a)102 686.4 Q F1 .305(is set to the current time also.)2.805 F(The)
5.305 E F0($d)2.805 E F1 .304(macro is equi)2.805 F -.25(va)-.25 G .304
(lent to the).25 F F0($b)2.804 E F1 .304(macro in UNIX \(ctime\) for)
2.804 F(-)-.2 E(mat.)102 698.4 Q 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-54 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF .238
(The macros)127 96 R F0($w)2.738 E F1(,)A F0($j)2.738 E F1 2.738(,a)C
(nd)-2.738 E F0($m)2.738 E F1 .238
(are set to the identity of this host.)2.738 F/F2 10/Times-Italic@0 SF
(Sendmail)5.239 E F1 .239(tries to \214nd the fully)2.739 F .335(quali\
\214ed name of the host if at all possible; it does this by calling)102
108 R F2 -.1(ge)2.834 G(thostname).1 E F1 .334(\(2\) to get the current)
B .457(hostname and then passing that to)102 120 R F2 -.1(ge)2.957 G
(thostbyname).1 E F1 .457
(\(3\) which is supposed to return the canonical v)B(er)-.15 E(-)-.2 E
.279(sion of that host name.)102 134 R/F3 7/Times-Roman@0 SF(17)-4 I F1
.279(Assuming this is successful,)2.779 4 N F0($j)2.778 E F1 .278
(is set to the fully quali\214ed name and)2.778 F F0($m)2.778 E F1(is)
2.778 E .706(set to the domain part of the name \(e)102 146 R -.15(ve)
-.25 G .706(rything after the \214rst dot\).).15 F(The)5.706 E F0($w)
3.206 E F1 .706(macro is set to the \214rst)3.206 F -.1(wo)102 158 S
.359(rd \(e).1 F -.15(ve)-.25 G .358
(rything before the \214rst dot\) if you ha).15 F .658 -.15(ve a l)-.2 H
-2.15 -.25(ev e).15 H 2.858(l5o).25 G 2.858(rh)-2.858 G .358
(igher con\214guration \214le; otherwise, it)-2.858 F .404
(is set to the same v)102 170 R .405(alue as)-.25 F F0($j)2.905 E F1
5.405(.I)C 2.905(ft)-5.405 G .405
(he canoni\214cation is not successful, it is imperati)-2.905 F .705
-.15(ve t)-.25 H .405(hat the con\214g).15 F(\214le set)102 184 Q F0($j)
2.5 E F1(to the fully quali\214ed domain name)2.5 E F3(18)-4 I F1(.)4 I
(The)127 200.2 Q F0($f)2.833 E F1 .333(macro is the id of the sender as\
 originally determined; when mailing to a speci\214c host)2.833 F(the)
102 212.2 Q F0($g)3.224 E F1 .724
(macro is set to the address of the sender)3.224 F F2 -.37(re)3.225 G
.725(lative to the r).37 F(ecipient.)-.37 E F1 -.15(Fo)5.725 G 3.225(re)
.15 G .725(xample, if I send to)-3.375 F(\231bollard@matisse.CS.Berk)102
224.2 Q(ele)-.1 E -.65(y.)-.15 G .425(EDU\232 from the machine \231v).65
F(angogh.CS.Berk)-.25 E(ele)-.1 E -.65(y.)-.15 G .424(EDU\232 the).65 F
F0($f)2.924 E F1(macro)2.924 E(will be \231eric\232 and the)102 236.2 Q
F0($g)2.5 E F1(macro will be \231eric@v)2.5 E(angogh.CS.Berk)-.25 E(ele)
-.1 E -.65(y.)-.15 G(EDU.).65 E<9a>-.7 E(The)127 252.4 Q F0($x)2.562 E
F1 .062(macro is set to the full name of the sender)2.562 F 5.062(.T)
-.55 G .062(his can be determined in se)-5.062 F -.15(ve)-.25 G .063
(ral w).15 F 2.563(ays. It)-.1 F .63(can be passed as \215ag to)102
264.4 R F2(sendmail)3.13 E F1 5.629(.I)C 3.129(tc)-5.629 G .629
(an be de\214ned in the)-3.129 F/F4 9/Times-Roman@0 SF -.315(NA)3.129 G
(ME).315 E F1(en)3.129 E .629(vironment v)-.4 F 3.129(ariable. The)-.25
F(third)3.129 E .948(choice is the v)102 276.4 R .948
(alue of the \231Full-Name:\232 line in the header if it e)-.25 F .949
(xists, and the fourth choice is the)-.15 F .526
(comment \214eld of a \231From:\232 line.)102 288.4 R .526
(If all of these f)5.526 F .526
(ail, and if the message is being originated locally)-.1 F(,)-.65 E
(the full name is look)102 300.4 Q(ed up in the)-.1 E F2(/etc/passwd)2.5
E F1(\214le.)2.5 E 1.32(When sending, the)127 316.6 R F0($h)3.82 E F1(,)
A F0($u)3.82 E F1 3.82(,a)C(nd)-3.82 E F0($z)3.82 E F1 1.321
(macros get set to the host, user)3.82 F 3.821(,a)-.4 G 1.321
(nd home directory \(if)-3.821 F .517(local\) of the recipient.)102
328.6 R .517(The \214rst tw)5.517 F 3.016(oa)-.1 G .516(re set from the)
-3.016 F F0($@)3.016 E F1(and)3.016 E F0($:)3.016 E F1 .516
(part of the re)3.016 F .516(writing rules, respec-)-.25 F(ti)102 340.6
Q -.15(ve)-.25 G(ly).15 E(.)-.65 E(The)127 356.8 Q F0($p)3.806 E F1(and)
3.806 E F0($t)3.806 E F1 1.306(macros are used to create unique strings\
 \(e.g., for the \231Message-Id:\232 \214eld\).)3.806 F(The)102 368.8 Q
F0($i)3.252 E F1 .751(macro is set to the queue id on this host; if put\
 into the timestamp line it can be e)3.252 F(xtremely)-.15 E .164
(useful for tracking messages.)102 380.8 R(The)5.164 E F0($v)2.664 E F1
.164(macro is set to be the v)2.664 F .165(ersion number of)-.15 F F2
(sendmail)2.665 E F1 2.665(;t)C .165(his is nor)-2.665 F(-)-.2 E
(mally put in timestamps and has been pro)102 392.8 Q -.15(ve)-.15 G 2.5
(ne).15 G(xtremely useful for deb)-2.65 E(ugging.)-.2 E(The)127 409 Q F0
($c)3.548 E F1 1.048(\214eld is set to the \231hop count,)3.548 F 3.548
<9a69>-.7 G 1.048(.e., the number of times this message has been pro-)
-3.548 F 2.856(cessed. This)102 421 R .356(can be determined by the)
2.856 F F0<ad68>2.856 E F1 .357
(\215ag on the command line or by counting the timestamps)2.856 F
(in the message.)102 433 Q(The)127 449.2 Q F0($r)2.833 E F1(and)2.833 E
F0($s)2.833 E F1 .333
(\214elds are set to the protocol used to communicate with)2.833 F F2
(sendmail)2.833 E F1 .333(and the send-)2.833 F .194(ing hostname.)102
461.2 R(The)5.194 E 2.694(yc)-.15 G .194(an be set together using the)
-2.694 F F0<ad70>2.694 E F1 .194
(command line \215ag or separately using the)2.694 F F0<ad4d>2.695 E F1
(or)102 473.2 Q F0(\255oM)2.5 E F1(\215ags.)2.5 E(The)127 489.4 Q F0($_)
2.967 E F1 .467(is set to a v)2.967 F .467(alidated sender host name.)
-.25 F .466(If the sender is running an RFC 1413 compli-)5.467 F .384
(ant IDENT serv)102 501.4 R .384(er and the recei)-.15 F -.15(ve)-.25 G
2.884(rh).15 G .384
(as the IDENT protocol turned on, it will include the user name)-2.884 F
(on that host.)102 513.4 Q(The)127 529.6 Q F0(${client_name})5.98 E F1
(,)A F0(${client_addr})5.98 E F1 5.98(,a)C(nd)-5.98 E F0(${client_port})
5.98 E F1 3.48(macros are set to the name,)5.98 F .786
(address, and port number of the SMTP client who is in)102 541.6 R -.2
(vo)-.4 G(king).2 E F2(sendmail)3.286 E F1 .786(as a serv)3.286 F(er)
-.15 E 5.786(.T)-.55 G .786(hese can be)-5.786 F(used in the)102 553.6 Q
F2 -.15(ch)2.5 G(ec).15 E(k_*)-.2 E F1(rulesets \(using the)2.5 E F0($&)
2.5 E F1(deferred e)2.5 E -.25(va)-.25 G(luation form, of course!\).).25
E F0 2.5(5.3. C)87 577.6 R(and F \212 De\214ne Classes)2.5 E F1 .66(Cla\
sses of phrases may be de\214ned to match on the left hand side of re)
127 593.8 R .659(writing rules, where a)-.25 F .464(\231phrase\232 is a\
 sequence of characters that does not contain space characters.)102
605.8 R -.15(Fo)5.465 G 2.965(re).15 G .465(xample a class of)-3.115 F
.654(all local names for this site might be created so that attempts to\
 send to oneself can be eliminated.)102 617.8 R .041(These can either b\
e de\214ned directly in the con\214guration \214le or read in from anot\
her \214le.)102 629.8 R .041(Classes are)5.041 F .649
(named as a single letter or a w)102 641.8 R .649(ord in {braces}.)-.1 F
.649(Class names be)5.649 F .649(ginning with lo)-.15 F .648
(wer case letters and)-.25 F .638(special characters are reserv)102
653.8 R .638(ed for system use.)-.15 F .639
(Classes de\214ned in con\214g \214les may be gi)5.639 F -.15(ve)-.25 G
3.139(nn).15 G(ames)-3.139 E 1.05
(from the set of upper case letters for short names or be)102 665.8 R
1.05(ginning with an upper case letter for long)-.15 F .32 LW 76 675.4
72 675.4 DL 80 675.4 76 675.4 DL 84 675.4 80 675.4 DL 88 675.4 84 675.4
DL 92 675.4 88 675.4 DL 96 675.4 92 675.4 DL 100 675.4 96 675.4 DL 104
675.4 100 675.4 DL 108 675.4 104 675.4 DL 112 675.4 108 675.4 DL 116
675.4 112 675.4 DL 120 675.4 116 675.4 DL 124 675.4 120 675.4 DL 128
675.4 124 675.4 DL 132 675.4 128 675.4 DL 136 675.4 132 675.4 DL 140
675.4 136 675.4 DL 144 675.4 140 675.4 DL 148 675.4 144 675.4 DL 152
675.4 148 675.4 DL 156 675.4 152 675.4 DL 160 675.4 156 675.4 DL 164
675.4 160 675.4 DL 168 675.4 164 675.4 DL 172 675.4 168 675.4 DL 176
675.4 172 675.4 DL 180 675.4 176 675.4 DL 184 675.4 180 675.4 DL 188
675.4 184 675.4 DL 192 675.4 188 675.4 DL 196 675.4 192 675.4 DL 200
675.4 196 675.4 DL 204 675.4 200 675.4 DL 208 675.4 204 675.4 DL 212
675.4 208 675.4 DL 216 675.4 212 675.4 DL/F5 5/Times-Roman@0 SF(17)93.6
685.8 Q/F6 8/Times-Roman@0 SF -.12(Fo)3.2 K 2(re).12 G
(xample, on some systems)-2.12 E/F7 8/Times-Italic@0 SF -.08(ge)2 G
(thostname).08 E F6(might return \231foo\232 which w)2 E
(ould be mapped to \231foo.bar)-.08 E(.com\232 by)-.44 E F7 -.08(ge)2 G
(thostbyname).08 E F6(.)A F5(18)93.6 699.4 Q F6(Older v)3.2 I
(ersions of sendmail didn')-.12 E 2(tp)-.144 G(re-de\214ne)-2 E/F8 8
/Times-Bold@0 SF($j)2 E F6(at all, so up until 8.6, con\214g \214les)2 E
F7(always)2 E F6(had to de\214ne)2 E F8($j)2 E F6(.)A 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-55)195.86 E/F1 10/Times-Roman@0 SF(names.)102 96 Q
(The syntax is:)127 112.2 Q F0(C)142 128.4 Q/F2 10/Times-Italic@0 SF
1.666(cp)C(hr)-1.666 E(ase1 phr)-.15 E(ase2...)-.15 E F0(F)142 140.4 Q
F2 1.666<638c>C(le)-1.666 E F0(F)142 152.4 Q F2 1.666(c|)C(pr)-1.666 E
-.1(og)-.45 G -.15(ra).1 G(m).15 E F0(F)142 164.4 Q F2 1.666(c[)C(mapk)
-1.666 E -.3(ey)-.1 G(]@mapclass:mapspec).3 E F1 .035
(The \214rst form de\214nes the class)102 180.6 R F2(c)2.535 E F1 .035
(to match an)2.535 F 2.535(yo)-.15 G 2.535(ft)-2.535 G .035(he named w)
-2.535 F 2.535(ords. If)-.1 F F2(phr)2.536 E(ase1)-.15 E F1(or)2.536 E
F2(phr)2.536 E(ase2)-.15 E F1 .036(is another)2.536 F .747(class, e.g.,)
102 192.6 R F2($=S)3.247 E F1 3.247(,t)C .747(he contents of class)
-3.247 F F2(S)3.246 E F1 .746(are added to class)3.246 F F2(c)3.246 E F1
5.746(.I)C 3.246(ti)-5.746 G 3.246(sp)-3.246 G .746
(ermissible to split them among)-3.246 F(multiple lines; for e)102 204.6
Q(xample, the tw)-.15 E 2.5(of)-.1 G(orms:)-2.5 E(CHmonet ucbmonet)142
220.8 Q(and)102 237 Q(CHmonet)142 253.2 Q(CHucbmonet)142 265.2 Q 1.015
(are equi)102 281.4 R -.25(va)-.25 G 3.515(lent. The).25 F -.74(``)3.516
G(F').74 E 3.516('f)-.74 G 1.016(orms read the elements of the class)
-3.516 F F2(c)3.516 E F1 1.016(from the named)3.516 F F2(\214le)3.516 E
F1(,)A F2(pr)3.516 E -.1(og)-.45 G -.15(ra).1 G(m).15 E F1 3.516(,o)C(r)
-3.516 E F2 .162(map speci\214cation)102 293.4 R F1 5.162(.E)C .161
(ach element should be listed on a separate line.)-5.162 F 1.761 -.8
(To s)5.161 H .161(pecify an optional \214le, use).8 F -.74(``)102 305.4
S(\255o').74 E 2.5('b)-.74 G
(etween the class name and the \214le name, e.g.,)-2.5 E
(Fc \255o /path/to/\214le)142 321.6 Q .396(If the \214le can')102 337.8
R 2.896(tb)-.18 G 2.896(eu)-2.896 G(sed,)-2.896 E F2(sendmail)2.896 E F1
.396(will not complain b)2.896 F .396(ut silently ignore it.)-.2 F .396
(The map form should be)5.396 F .364(an optional map k)102 349.8 R -.15
(ey)-.1 G 2.864(,a)-.5 G 2.864(na)-2.864 G 2.864(ts)-2.864 G .363
(ign, and a map class follo)-2.864 F .363
(wed by the speci\214cation for that map.)-.25 F(Exam-)5.363 E
(ples include:)102 361.8 Q(F{V)142 378 Q(irtHosts}@ldap:\255k \(&\(obje\
ctClass=virtHosts\)\(host=*\)\) \255v host)-.6 E
(F{MyClass}foo@hash:/etc/mail/classes)142 390 Q .95
(will \214ll the class)102 406.2 R F0($={V)3.45 E(irtHosts})-.37 E F1
.951(from an LD)3.45 F .951(AP map lookup and)-.4 F F0($={MyClass})3.451
E F1 .951(from a hash data-)3.451 F .017(base map lookup of the)102
418.2 R F0 -.25(fo)2.517 G(o).25 E F1 5.017(.T)C .017(here is also a b)
-5.017 F .016(uilt-in schema that can be accessed by only specifying:)
-.2 F(F{)142 434.4 Q F2(ClassName)A F1(}@LD)A(AP)-.4 E
(This will tell sendmail to use the def)102 450.6 Q(ault schema:)-.1 E
(\255k \(&\(objectClass=sendmailMT)142 466.8 Q -.4(AC)-.93 G(lass\)).4 E
(\(sendmailMT)154.5 478.8 Q -.4(AC)-.93 G(lassName=).4 E F2(ClassName)A
F1(\))A(\(|\(sendmailMT)154.5 490.8 Q -.4(AC)-.93 G(luster=${sendmailMT)
.4 E -.4(AC)-.93 G(luster}\)).4 E(\(sendmailMT)159.5 502.8 Q
(AHost=$j\)\)\))-.93 E(\255v sendmailMT)142 514.8 Q -.4(AC)-.93 G(lassV)
.4 E(alue)-1.11 E
(Note that the lookup is only done when sendmail is initially started.)
102 531 Q 1.339(Elements of classes can be accessed in rules using)127
547.2 R F0($=)3.839 E F1(or)3.839 E F0($~)3.839 E F1 6.339(.T)C(he)
-6.339 E F0($~)3.839 E F1 1.339(\(match entries not in)3.839 F
(class\) only matches a single w)102 559.2 Q(ord; multi-w)-.1 E
(ord entries in the class are ignored in this conte)-.1 E(xt.)-.15 E
(Some classes ha)127 575.4 Q .3 -.15(ve i)-.2 H(nternal meaning to).15 E
F2(sendmail)2.5 E F1(:)A 18.42($=e contains)102 591.6 R .562
(the Content-T)3.062 F(ransfer)-.35 E .562(-Encodings that can be 8)-.2
F/F3 10/Symbol SF<ae>A F1 3.062(7b)C .562(it encoded.)-3.062 F .561
(It is prede\214ned to)5.561 F
(contain \2317bit\232, \2318bit\232, and \231binary\232.)138 603.6 Q
17.86($=k set)102 619.8 R(to be the same as)2.5 E F0($k)2.5 E F1 2.5(,t)
C(hat is, the UUCP node name.)-2.5 E 15.08($=m set)102 636 R
(to the set of domains by which this host is kno)2.5 E
(wn, initially just)-.25 E F0($m)2.5 E F1(.)A 17.86($=n can)102 652.2 R
.58(be set to the set of MIME body types that can ne)3.08 F -.15(ve)-.25
G 3.081(rb).15 G 3.081(ee)-3.081 G .581(ight to se)-3.081 F -.15(ve)-.25
G 3.081(nb).15 G .581(it encoded.)-3.081 F(It)5.581 E(def)138 664.2 Q
1.81(aults to \231multipart/signed\232.)-.1 F 1.81
(Message types \231message/*\232 and \231multipart/*\232 are ne)6.81 F
-.15(ve)-.25 G(r).15 E 1.853(encoded directly)138 676.2 R 6.853(.M)-.65
G 1.853(ultipart messages are al)-6.853 F -.1(wa)-.1 G 1.853
(ys handled recursi).1 F -.15(ve)-.25 G(ly).15 E 6.853(.T)-.65 G 1.853
(he handling of)-6.853 F(message/* messages are controlled by class)138
688.2 Q F0($=s)2.5 E F1(.)A 17.86($=q A)102 704.4 R .712
(set of Content-T)3.212 F .712(ypes that will ne)-.8 F -.15(ve)-.25 G
3.212(rb).15 G 3.212(ee)-3.212 G .712(ncoded as base64 \(if the)-3.212 F
3.212(yh)-.15 G -2.25 -.2(av e)-3.212 H .711(to be encoded,)3.412 F(the)
138 716.4 Q 3.357(yw)-.15 G .858(ill be encoded as quoted-printable\).)
-3.357 F .858(It can ha)5.858 F 1.158 -.15(ve p)-.2 H .858
(rimary types \(e.g., \231te).15 F .858(xt\232\) or full)-.15 F 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-56 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF
(types \(such as \231te)138 96 Q(xt/plain\232\).)-.15 E 18.97
($=s contains)102 112.2 R .648
(the set of subtypes of message that can be treated recursi)3.148 F -.15
(ve)-.25 G(ly).15 E 5.648(.B)-.65 G 3.148(yd)-5.648 G(ef)-3.148 E .648
(ault it con-)-.1 F .969(tains only \231rfc822\232.)138 124.2 R .969
(Other \231message/*\232 types cannot be 8)5.969 F/F2 10/Symbol SF<ae>A
F1 3.469(7b)C .969(it encoded.)-3.469 F .97(If a message)5.97 F 1.045
(containing eight bit data is sent to a se)138 136.2 R -.15(ve)-.25 G
3.545(nb).15 G 1.045(it host, and that message cannot be encoded)-3.545
F(into se)138 148.2 Q -.15(ve)-.25 G 2.5(nb).15 G
(its, it will be stripped to 7 bits.)-2.5 E 20.08($=t set)102 164.4 R
.372(to the set of trusted users by the)2.872 F F0(T)2.872 E F1 .372
(con\214guration line.)2.872 F .372(If you w)5.372 F .373
(ant to read trusted users)-.1 F(from a \214le, use)138 176.4 Q F0(Ft)
2.5 E/F3 10/Times-Italic@0 SF(/\214le/name)A F1(.)A 15.64($=w set)102
192.6 R .513(to be the set of all names this host is kno)3.013 F .513
(wn by)-.25 F 5.513(.T)-.65 G .513(his can be used to match local host-)
-5.513 F(names.)138 204.6 Q($={persistentMacros})102 220.8 Q 1.712
(set to the macros that should be sa)138 232.8 R -.15(ve)-.2 G 4.212(da)
.15 G 1.712(cross queue runs.)-4.212 F 1.712(Care should be tak)6.712 F
1.712(en when)-.1 F(adding macro names to this class.)138 244.8 Q F3
(Sendmail)127 261 Q F1 .183(can be compiled to allo)2.683 F 2.683(wa)
-.25 G F3(scanf)-.001 E F1 .182(\(3\) string on the)B F0(F)2.682 E F1
2.682(line. This)2.682 F .182(lets you do simplistic)2.682 F .554
(parsing of te)102 273 R .554(xt \214les.)-.15 F -.15(Fo)5.554 G 3.054
(re).15 G .554(xample, to read all the user names in your system)-3.204
F F3(/etc/passwd)3.055 E F1 .555(\214le into a)3.055 F(class, use)102
285 Q(FL/etc/passwd %[^:])142 301.2 Q(which reads e)102 317.4 Q -.15(ve)
-.25 G(ry line up to the \214rst colon.).15 E F0 2.5(5.4. M)87 341.4 R
2.5<8a44>2.5 G(e\214ne Mailer)-2.5 E F1(Programs and interf)127 357.6 Q
(aces to mailers are de\214ned in this line.)-.1 E(The format is:)5 E F0
(M)142 373.8 Q F3(name)A F1 2.5(,{)C F3(\214eld)-2.5 E F1(=)A F3(value)A
F1(}*)1.666 E(where)102 390 Q F3(name)4.244 E F1 1.744(is the name of t\
he mailer \(used internally only\) and the \231\214eld=name\232 pairs d\
e\214ne)4.244 F(attrib)102 402 Q(utes of the mailer)-.2 E 5(.F)-.55 G
(ields are:)-5 E -.15(Pa)142 418.2 S 51.87(th The).15 F
(pathname of the mailer)2.5 E 47.83(Flags Special)142 430.2 R
(\215ags for this mailer)2.5 E 41.73(Sender Re)142 442.2 R
(writing set\(s\) for sender addresses)-.25 E 31.17(Recipient Re)142
454.2 R(writing set\(s\) for recipient addresses)-.25 E 30.62
(recipients Maximum)142 466.2 R(number of recipients per connection)2.5
E(Ar)142 478.2 Q 49.13(gv An)-.18 F(ar)2.5 E(gument v)-.18 E
(ector to pass to this mailer)-.15 E 55.61(Eol The)142 490.2 R
(end-of-line string for this mailer)2.5 E 35.62(Maxsize The)142 502.2 R
(maximum message length to this mailer)2.5 E 14.51(maxmessages The)142
514.2 R(maximum message deli)2.5 E -.15(ve)-.25 G(ries per connection)
.15 E 32.27(Linelimit The)142 526.2 R
(maximum line length in the message body)2.5 E 31.18(Directory The)142
538.2 R -.1(wo)2.5 G(rking directory for the mailer).1 E 42.84
(Userid The)142 550.2 R(def)2.5 E(ault user and group id to run as)-.1 E
50.62(Nice The)142 562.2 R(nice\(2\) increment for the mailer)2.5 E
38.95(Charset The)142 574.2 R(def)2.5 E
(ault character set for 8-bit characters)-.1 E -.8(Ty)142 586.2 S 49.75
(pe T).8 F(ype information for DSN diagnostics)-.8 E -.8(Wa)142 598.2 S
50.86(it The).8 F(maximum time to w)2.5 E(ait for the mailer)-.1 E
(Queue)142 610.2 Q 20.22(group The)-.15 F(def)2.5 E
(ault queue group for the mailer)-.1 E 69.22(/T)142 622.2 S
(he root directory for the mailer)-69.22 E
(Only the \214rst character of the \214eld name is check)102 638.4 Q
(ed \(it')-.1 E 2.5(sc)-.55 G(ase-sensiti)-2.5 E -.15(ve)-.25 G(\).).15
E .396(The follo)127 654.6 R .396
(wing \215ags may be set in the mailer description.)-.25 F(An)5.396 E
2.896(yo)-.15 G .397(ther \215ags may be used freely)-2.896 F .075(to c\
onditionally assign headers to messages destined for particular mailers\
.)102 666.6 R .075(Flags mark)5.075 F .075(ed with \207 are)-.1 F 1.192
(not interpreted by the)102 678.6 R F3(sendmail)3.692 E F1 1.193
(binary; these are the con)3.692 F -.15(ve)-.4 G 1.193
(ntionally used to correlate to the \215ags).15 F .738(portion of the)
102 690.6 R F0(H)3.238 E F1 3.237(line. Flags)3.238 F(mark)3.237 E .737
(ed with \210 apply to the mailers for the sender address rather than)
-.1 F(the usual recipient mailers.)102 702.6 Q 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-57)195.86 E/F1 10/Times-Roman@0 SF 15.56(aR)102 96 S .987(un Ex\
tended SMTP \(ESMTP\) protocol \(de\214ned in RFCs 1869, 1652, and 1870\
\).)-15.56 F .987(This \215ag)5.987 F(def)122 108 Q
(aults on if the SMTP greeting message includes the w)-.1 E
(ord \231ESMTP\232.)-.1 E 12.78(AL)102 124.2 S .852
(ook up the user \(address\) part of the resolv)-12.78 F .852
(ed mailer triple, in the alias database.)-.15 F(Normally)5.852 E
(this is only set for local mailers.)122 136.2 Q 15(bF)102 152.4 S .456
(orce a blank line on the end of a message.)-15.15 F .456
(This is intended to w)5.456 F .456(ork around some stupid v)-.1 F(er)
-.15 E(-)-.2 E .362(sions of /bin/mail that require a blank line, b)122
164.4 R .362(ut do not pro)-.2 F .362(vide it themselv)-.15 F 2.861
(es. It)-.15 F -.1(wo)2.861 G .361(uld not nor).1 F(-)-.2 E
(mally be used on netw)122 176.4 Q(ork mail.)-.1 E 13.33(BS)102 192.6 S
.142(trip leading backslashes \(\\\) of)-13.33 F 2.643(fo)-.25 G 2.643
(ft)-2.643 G .143
(he address; this is a subset of the functionality of the)-2.643 F F0(s)
2.643 E F1(\215ag.)2.643 E 15.56(cD)102 208.8 S 2.663(on)-15.56 G .163
(ot include comments in addresses.)-2.663 F .163
(This should only be used if you ha)5.163 F .463 -.15(ve t)-.2 H 2.663
(ow).15 G .163(ork around a)-2.763 F 1.846
(remote mailer that gets confused by comments.)122 220.8 R 1.846
(This strips addresses of the form \231Phrase)6.846 F
(<address>\232 or \231address \(Comment\)\232 do)122 232.8 Q
(wn to just \231address\232.)-.25 E 5.83(C\210 If)102 249 R .214
(mail is)2.714 F/F2 10/Times-Italic@0 SF -.37(re)2.714 G(ceived).37 E F1
.213(from a mailer with this \215ag set, an)2.713 F 2.713(ya)-.15 G .213
(ddresses in the header that do not ha)-2.713 F -.15(ve)-.2 G .97
(an at sign \(\231@\232\) after being re)122 261 R .97
(written by ruleset three will ha)-.25 F 1.27 -.15(ve t)-.2 H .97
(he \231@domain\232 clause from).15 F(the sender en)122 273 Q -.15(ve)
-.4 G(lope address tack).15 E(ed on.)-.1 E(This allo)5 E
(ws mail with headers of the form:)-.25 E(From: usera@hosta)162 289.2 Q
-.8(To)162 301.2 S 2.5(:u).8 G(serb@hostb, userc)-2.5 E(to be re)122
317.4 Q(written as:)-.25 E(From: usera@hosta)162 333.6 Q -.8(To)162
345.6 S 2.5(:u).8 G(serb@hostb, userc@hosta)-2.5 E(automatically)122
361.8 Q 5(.H)-.65 G -.25(ow)-5 G -2.15 -.25(ev e).25 H .8 -.4(r, i).25 H
2.5(td).4 G(oesn')-2.5 E 2.5(tr)-.18 G(eally w)-2.5 E(ork reliably)-.1 E
(.)-.65 E 15(dD)102 378 S 2.56(on)-15 G .06(ot include angle brack)-2.56
F .06(ets around route-address syntax addresses.)-.1 F .06
(This is useful on mailers)5.06 F .187(that are going to pass addresses\
 to a shell that might interpret angle brack)122 390 R .188
(ets as I/O redirection.)-.1 F(Ho)122 402 Q(we)-.25 E -.15(ve)-.25 G
1.621 -.4(r, i).15 H 3.321(td).4 G .821(oes not protect ag)-3.321 F .821
(ainst other shell metacharacters.)-.05 F .821
(Therefore, passing addresses)5.821 F
(to a shell should not be considered secure.)122 414 Q 5.28(D\207 This)
102 430.2 R(mailer w)2.5 E(ants a \231Date:\232 header line.)-.1 E 15.56
(eT)102 446.4 S .173(his mailer is e)-15.56 F(xpensi)-.15 E .473 -.15
(ve t)-.25 H 2.673(oc).15 G .173(onnect to, so try to a)-2.673 F -.2(vo)
-.2 G .174(id connecting normally; an).2 F 2.674(yn)-.15 G .174
(ecessary con-)-2.674 F(nection will occur during a queue run.)122 458.4
Q(See also option)5 E F0(HoldExpensi)2.5 E -.1(ve)-.1 G F1(.).1 E 13.89
(EE)102 474.6 S(scape lines be)-13.89 E(ginning with \231From)-.15 E 2.5
<9a69>5 G 2.5(nt)-2.5 G(he message with a `>' sign.)-2.5 E 16.67(fT)102
490.8 S .19(he mailer w)-16.67 F .19(ants a)-.1 F F0<ad66>2.69 E F2(fr)
2.69 E(om)-.45 E F1 .19(\215ag, b)2.69 F .19(ut only if this is a netw)
-.2 F .19(ork forw)-.1 F .19(ard operation \(i.e., the mailer)-.1 F
(will gi)122 502.8 Q .3 -.15(ve a)-.25 H 2.5(ne).15 G(rror if the e)-2.5
E -.15(xe)-.15 G(cuting user does not ha).15 E .3 -.15(ve s)-.2 H
(pecial permissions\).).15 E 6.94(F\207 This)102 519 R(mailer w)2.5 E
(ants a \231From:\232 header line.)-.1 E 15(gN)102 535.2 S(ormally)-15 E
(,)-.65 E F2(sendmail)4.892 E F1 2.393(sends internally generated email\
 \(e.g., error messages\) using the null)4.892 F 1.327
(return address as required by RFC 1123.)122 547.2 R(Ho)6.327 E(we)-.25
E -.15(ve)-.25 G 2.127 -.4(r, s).15 H 1.327(ome mailers don').4 F 3.827
(ta)-.18 G 1.327(ccept a null return)-3.827 F 3.31(address. If)122 559.2
R(necessary)3.31 E 3.31(,y)-.65 G .81(ou can set the)-3.31 F F0(g)3.311
E F1 .811(\215ag to pre)3.311 F -.15(ve)-.25 G(nt).15 E F2(sendmail)
3.311 E F1 .811(from obe)3.311 F .811(ying the standards;)-.15 F 1.57
(error messages will be sent as from the MAILER-D)122 571.2 R 1.57
(AEMON \(actually)-.4 F 4.07(,t)-.65 G 1.57(he v)-4.07 F 1.57
(alue of the)-.25 F F0($n)4.07 E F1(macro\).)122 583.2 Q 15(hU)102 599.4
S 1.006(pper case should be preserv)-15 F 1.007
(ed in host names \(the $@ portion of the mailer triplet resolv)-.15 F
(ed)-.15 E(from ruleset 0\) for this mailer)122 611.4 Q(.)-.55 E 17.22
(iD)102 627.6 S 2.5(oU)-17.22 G(ser Database re)-2.5 E(writing on en)
-.25 E -.15(ve)-.4 G(lope sender address.).15 E 16.67(IT)102 643.8 S .54
(his \215ag is deprecated and will be remo)-16.67 F -.15(ve)-.15 G 3.039
(df).15 G .539(rom a future v)-3.039 F 3.039(ersion. This)-.15 F .539
(mailer will be speak-)3.039 F .161(ing SMTP to another)122 655.8 R F2
(sendmail)2.662 E F1 2.662<8a61>2.662 G 2.662(ss)-2.662 G .162
(uch it can use special protocol features.)-2.662 F .162
(This \215ag should)5.162 F(not be used e)122 667.8 Q(xcept for deb)-.15
E(ugging purposes because it uses)-.2 E F0(VERB)2.5 E F1
(as SMTP command.)2.5 E 17.22(jD)102 684 S 2.5(oU)-17.22 G
(ser Database re)-2.5 E(writing on recipients as well as senders.)-.25 E
15(kN)102 700.2 S 1.03(ormally when)-15 F F2(sendmail)3.53 E F1 1.03
(connects to a host via SMTP)3.53 F 3.529(,i)-1.11 G 3.529(tc)-3.529 G
1.029(hecks to mak)-3.529 F 3.529(es)-.1 G 1.029(ure that this isn')
-3.529 F(t)-.18 E .08
(accidentally the same host name as might happen if)122 712.2 R F2
(sendmail)2.581 E F1 .081(is miscon\214gured or if a long-haul)2.581 F
(netw)122 724.2 Q 1.074(ork interf)-.1 F 1.074
(ace is set in loopback mode.)-.1 F 1.073
(This \215ag disables the loopback check.)6.074 F 1.073(It should)6.073
F 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-58 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF
(only be used under v)122 96 Q(ery unusual circumstances.)-.15 E 12.78
(KC)102 112.2 S(urrently unimplemented.)-12.78 E(Reserv)5 E
(ed for chunking.)-.15 E 17.22(lT)102 128.4 S
(his mailer is local \(i.e., \214nal deli)-17.22 E -.15(ve)-.25 G
(ry will be performed\).).15 E 13.89(LL)102 144.6 S .598
(imit the line lengths as speci\214ed in RFC 821.)-13.89 F .598
(This deprecated option should be replaced by)5.598 F(the)122 156.6 Q F0
(L=)2.5 E F1(mail declaration.)2.5 E -.15(Fo)5 G 2.5(rh).15 G
(istoric reasons, the)-2.5 E F0(L)2.5 E F1(\215ag also sets the)2.5 E F0
(7)2.5 E F1(\215ag.)2.5 E 12.22(mT)102 172.8 S .464(his mailer can send\
 to multiple users on the same host in one transaction.)-12.22 F .463
(When a)5.463 F F0($u)2.963 E F1(macro)2.963 E .731(occurs in the)122
184.8 R/F2 10/Times-Italic@0 SF(ar)3.231 E(gv)-.37 E F1 .732(part of th\
e mailer de\214nition, that \214eld will be repeated as necessary for a\
ll)3.231 F .317(qualifying users.)122 196.8 R(Remo)5.317 E .316(ving th\
is \215ag can defeat duplicate suppression on a remote site as each)-.15
F(recipient is sent in a separate transaction.)122 208.8 Q 3.61
(M\207 This)102 225 R(mailer w)2.5 E
(ants a \231Message-Id:\232 header line.)-.1 E 15(nD)102 241.2 S 2.5(on)
-15 G
(ot insert a UNIX-style \231From\232 line on the front of the message.)
-2.5 E 15(oA)102 257.4 S -.1(lwa)-15 G .816(ys run as the o).1 F .816
(wner of the recipient mailbox.)-.25 F(Normally)5.816 E F2(sendmail)
3.316 E F1 .816(runs as the sender for)3.316 F .198
(locally generated mail or as \231daemon\232 \(actually)122 269.4 R
2.698(,t)-.65 G .198(he user speci\214ed in the)-2.698 F F0(u)2.698 E F1
.198(option\) when deli)2.698 F(v-)-.25 E 1.337(ering netw)122 281.4 R
1.337(ork mail.)-.1 F 1.338(The normal beha)6.338 F 1.338
(vior is required by most local mailers, which will not)-.2 F(allo)122
293.4 Q 2.521(wt)-.25 G .021(he en)-2.521 F -.15(ve)-.4 G .021
(lope sender address to be set unless the mailer is running as daemon.)
.15 F .02(This \215ag is)5.02 F(ignored if the)122 305.4 Q F0(S)2.5 E F1
(\215ag is set.)2.5 E 15(pU)102 321.6 S .497(se the route-addr style re)
-15 F -.15(ve)-.25 G .498(rse-path in the SMTP \231MAIL FR).15 F .498
(OM:\232 command rather than just)-.4 F .205(the return address; althou\
gh this is required in RFC 821 section 3.1, man)122 333.6 R 2.705(yh)
-.15 G .205(osts do not process)-2.705 F(re)122 345.6 Q -.15(ve)-.25 G
(rse-paths properly).15 E 5(.R)-.65 G -2.15 -.25(ev e)-5 H
(rse-paths are of).25 E(\214cially discouraged by RFC 1123.)-.25 E 6.94
(P\207 This)102 361.8 R(mailer w)2.5 E(ants a \231Return-P)-.1 E
(ath:\232 line.)-.15 E 15(qW)102 378 S .068(hen an address that resolv)
-15 F .069(es to this mailer is v)-.15 F .069
(eri\214ed \(SMTP VRFY command\), generate 250)-.15 F
(responses instead of 252 responses.)122 390 Q
(This will imply that the address is local.)5 E 16.67(rS)102 406.2 S
(ame as)-16.67 E F0(f)2.5 E F1 2.5(,b)C(ut sends a)-2.7 E F0<ad72>2.5 E
F1(\215ag.)2.5 E 13.33(RO)102 422.4 S .67
(pen SMTP connections from a \231secure\232 port.)-13.33 F .669
(Secure ports aren')5.669 F 3.169(t\()-.18 G .669(secure, that is\) e)
-3.169 F .669(xcept on)-.15 F .639
(UNIX machines, so it is unclear that this adds an)122 434.4 R(ything.)
-.15 E F2(sendmail)5.639 E F1 .64(must be running as root to)3.14 F
(be able to use this \215ag.)122 446.4 Q 16.11(sS)102 462.6 S
(trip quote characters \(" and \\\) of)-16.11 E 2.5(fo)-.25 G 2.5(ft)
-2.5 G(he address before calling the mailer)-2.5 E(.)-.55 E 14.44(SD)102
478.8 S(on')-14.44 E 3.332(tr)-.18 G .832
(eset the userid before calling the mailer)-3.332 F 5.831(.T)-.55 G .831
(his w)-5.831 F .831(ould be used in a secure en)-.1 F(vironment)-.4 E
(where)122 490.8 Q F2(sendmail)3.317 E F1 .817(ran as root.)3.317 F .817
(This could be used to a)5.817 F -.2(vo)-.2 G .817(id for).2 F .817
(ged addresses.)-.18 F .817(If the)5.817 F F0(U=)3.317 E F1 .818
(\214eld is)3.317 F(also speci\214ed, this \215ag causes the ef)122
502.8 Q(fecti)-.25 E .3 -.15(ve u)-.25 H(ser id to be set to that user)
.15 E(.)-.55 E 15(uU)102 519 S .726(pper case should be preserv)-15 F
.725(ed in user names for this mailer)-.15 F 5.725(.S)-.55 G .725
(tandards require preserv)-5.725 F(ation)-.25 E .748
(of case in the local part of addresses, e)122 531 R .748
(xcept for those address for which your system accepts)-.15 F
(responsibility)122 543 Q 5.151(.R)-.65 G .151(FC 2142 pro)-5.151 F .151
(vides a long list of addresses which should be case insensiti)-.15 F
-.15(ve)-.25 G 5.15(.I).15 G(f)-5.15 E .359
(you use this \215ag, you may be violating RFC 2142.)122 555 R .36
(Note that postmaster is al)5.359 F -.1(wa)-.1 G .36(ys treated as a).1
F(case insensiti)122 567 Q .3 -.15(ve a)-.25 H(ddress re).15 E -.05(ga)
-.15 G(rdless of this \215ag.).05 E 12.78(UT)102 583.2 S(his mailer w)
-12.78 E(ants UUCP-style \231From\232 lines with the ugly \231remote fr\
om <host>\232 on the end.)-.1 E 12.78(wT)102 599.4 S .607
(he user must ha)-12.78 F .907 -.15(ve a v)-.2 H .606
(alid account on this machine, i.e.,)-.1 F F2 -.1(ge)3.106 G(tpwnam).1 E
F1 .606(must succeed.)3.106 F .606(If not, the)5.606 F 1.233
(mail is bounced.)122 611.4 R 1.233(See also the)6.233 F F0
(MailBoxDatabase)3.733 E F1 3.733(option. This)3.733 F 1.233
(is required to get \231.forw)3.733 F(ard\232)-.1 E(capability)122 623.4
Q(.)-.65 E 10.56(WI)102 639.6 S(gnore long term host status information\
 \(see Section "Persistent Host Status Information"\).)-10.56 E 7.5
(x\207 This)102 655.8 R(mailer w)2.5 E
(ants a \231Full-Name:\232 header line.)-.1 E 12.78(XT)102 672 S .512
(his mailer w)-12.78 F .512(ants to use the hidden dot algorithm as spe\
ci\214ed in RFC 821; basically)-.1 F 3.011(,a)-.65 G .811 -.15(ny l)
-3.011 H(ine).15 E(be)122 684 Q .796(ginning with a dot will ha)-.15 F
1.096 -.15(ve a)-.2 H 3.296(ne).15 G .797
(xtra dot prepended \(to be stripped at the other end\).)-3.446 F(This)
5.797 E(insures that lines in the message containing a dot will not ter\
minate the message prematurely)122 696 Q(.)-.65 E 15.56(zR)102 712.2 S
.965(un Local Mail T)-15.56 F .965(ransfer Protocol \(LMTP\) between)
-.35 F F2(sendmail)3.465 E F1 .965(and the local mailer)3.465 F 5.965
(.T)-.55 G .965(his is a)-5.965 F -.25(va)122 724.2 S 1.752(riant on SM\
TP de\214ned in RFC 2033 that is speci\214cally designed for deli).25 F
-.15(ve)-.25 G 1.752(ry to a local).15 F 0 Cg EP
%%Page: 59 55
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-59)195.86 E/F1 10/Times-Roman@0 SF(mailbox.)122 96 Q 13.89(ZA)
102 112.2 S(pply DialDelay \(if set\) to this mailer)-13.89 E(.)-.55 E
15(0D)102 128.4 S(on')-15 E 3.607(tl)-.18 G 1.106
(ook up MX records for hosts sent via SMTP/LMTP)-3.607 F 6.106(.D)-1.11
G 3.606(on)-6.106 G 1.106(ot apply)-3.606 F F0 -.25(Fa)3.606 G
(llbackMXhost).25 E F1(either)122 140.4 Q(.)-.55 E 15(1D)102 156.6 S
(on')-15 E 2.5(ts)-.18 G(end null characters \('\\0'\) to this mailer)
-2.5 E(.)-.55 E 15(2D)102 172.8 S(on')-15 E 3.032(tu)-.18 G .532
(se ESMTP e)-3.032 F -.15(ve)-.25 G 3.032(ni).15 G 3.032(fo)-3.032 G
-.25(ff)-3.032 G .532(ered; this is useful for brok).25 F .533
(en systems that of)-.1 F .533(fer ESMTP b)-.25 F .533(ut f)-.2 F(ail)
-.1 E(on EHLO \(without reco)122 184.8 Q -.15(ve)-.15 G
(ring when HELO is tried ne).15 E(xt\).)-.15 E 15(3E)102 201 S .002
(xtend the list of characters con)-15 F -.15(ve)-.4 G .001
(rted to =XX notation when con).15 F -.15(ve)-.4 G .001
(rting to Quoted-Printable to).15 F .977(include those that don')122 213
R 3.478(tm)-.18 G .978(ap cleanly between ASCII and EBCDIC.)-3.478 F
.978(Useful if you ha)5.978 F 1.278 -.15(ve I)-.2 H(BM).15 E
(mainframes on site.)122 225 Q 15(5I)102 241.2 S 2.717(fn)-15 G 2.717
(oa)-2.717 G .217(liases are found for this address, pass the address t\
hrough ruleset 5 for possible alternate)-2.717 F 2.5(resolution. This)
122 253.2 R(is intended to forw)2.5 E(ard the mail to an alternate deli)
-.1 E -.15(ve)-.25 G(ry spot.).15 E 15(6S)102 269.4 S
(trip headers to se)-15 E -.15(ve)-.25 G 2.5(nb).15 G(its.)-2.5 E 15(7S)
102 285.6 S 1.14(trip all output to se)-15 F -.15(ve)-.25 G 3.64(nb).15
G 3.64(its. This)-3.64 F 1.14(is the def)3.64 F 1.141(ault if the)-.1 F
F0(L)3.641 E F1 1.141(\215ag is set.)3.641 F 1.141
(Note that clearing this)6.141 F .295(option is not suf)122 297.6 R .295
(\214cient to get full eight bit data passed through)-.25 F/F2 10
/Times-Italic@0 SF(sendmail)2.795 E F1 5.295(.I)C 2.795(ft)-5.295 G(he)
-2.795 E F0(7)2.795 E F1 .295(option is set,)2.795 F .716
(this is essentially al)122 309.6 R -.1(wa)-.1 G .717
(ys set, since the eighth bit w).1 F .717(as stripped on input.)-.1 F
.717(Note that this option)5.717 F(will only impact messages that didn')
122 321.6 Q 2.5(th)-.18 G -2.25 -.2(av e)-2.5 H(8)2.7 E/F3 10/Symbol SF
<ae>A F1 2.5(7b)C(it MIME con)-2.5 E -.15(ve)-.4 G(rsions performed.).15
E 15(8I)102 337.8 S 3.783(fs)-15 G 1.283(et, it is acceptable to send e\
ight bit data to this mailer; the usual attempt to do 8)-3.783 F F3<ae>A
F1 3.782(7b)C(it)-3.782 E(MIME con)122 349.8 Q -.15(ve)-.4 G
(rsions will be bypassed.).15 E 15(9I)102 366 S 2.704(fs)-15 G .204
(et, do)-2.704 F F2(limited)2.704 E F1(7)2.704 E F3<ae>A F1 2.704(8b)C
.204(it MIME con)-2.704 F -.15(ve)-.4 G 2.704(rsions. These).15 F(con)
2.704 E -.15(ve)-.4 G .205(rsions are limited to te).15 F .205
(xt/plain data.)-.15 F 17.22(:C)102 382.2 S .982
(heck addresses to see if the)-17.22 F 3.482(yb)-.15 G -.15(eg)-3.482 G
.982(in \231:include:\232; if the).15 F 3.482(yd)-.15 G .982(o, con)
-3.482 F -.15(ve)-.4 G .982(rt them to the \231*include*\232).15 F
(mailer)122 394.2 Q(.)-.55 E 18(|C)102 410.4 S
(heck addresses to see if the)-18 E 2.5(yb)-.15 G -.15(eg)-2.5 G
(in with a `|'; if the).15 E 2.5(yd)-.15 G(o, con)-2.5 E -.15(ve)-.4 G
(rt them to the \231prog\232 mailer).15 E(.)-.55 E 17.22(/C)102 426.6 S
(heck addresses to see if the)-17.22 E 2.5(yb)-.15 G -.15(eg)-2.5 G
(in with a `/'; if the).15 E 2.5(yd)-.15 G(o, con)-2.5 E -.15(ve)-.4 G
(rt them to the \231*\214le*\232 mailer).15 E(.)-.55 E 10.79(@L)102
442.8 S(ook up addresses in the user database.)-10.79 E 11.67(%D)102 459
S 3.868(on)-11.67 G 1.368(ot attempt deli)-3.868 F -.15(ve)-.25 G 1.369
(ry on initial receipt of a message or on queue runs unless the queued)
.15 F(message is selected using one of the -qI/-qR/-qS queue run modi\
\214ers or an ETRN request.)122 471 Q 16.67(!D)102 487.2 S 1.29
(isable an MH hack that drops an e)-16.67 F 1.289
(xplicit From: header if it is the same as what sendmail)-.15 F -.1(wo)
122 499.2 S(uld generate.).1 E .267(Con\214guration \214les prior to le)
127 515.4 R -.15(ve)-.25 G 2.768(l6a).15 G .268(ssume the `)-2.768 F
-1.11(A')-.8 G 2.768(,`)1.11 G .268
(w', `5', `:', `|', `/', and `@' options on the)-2.768 F
(mailer named \231local\232.)102 527.4 Q .306(The mailer with the speci\
al name \231error\232 can be used to generate a user error)127 543.6 R
5.305(.T)-.55 G .305(he \(optional\))-5.305 F .323(host \214eld is an e)
102 555.6 R .323(xit status to be returned, and the user \214eld is a m\
essage to be printed.)-.15 F .324(The e)5.324 F .324(xit sta-)-.15 F
.891(tus may be numeric or one of the v)102 567.6 R .891(alues USA)-.25
F .891(GE, NOUSER, NOHOST)-.4 F 3.39(,U)-.74 G -.35(NA)-3.39 G -1.35(VA)
-1 G .89(ILABLE, SOFT)1.35 F(-)-.92 E -1.2(WA)102 579.6 S 1.141
(RE, TEMPF)1.2 F 1.141(AIL, PR)-.74 F -1.88 -.4(OT O)-.4 H 1.141
(COL, or CONFIG to return the corresponding EX_ e).4 F 1.142
(xit code, or an)-.15 F .288
(enhanced error code as described in RFC 1893,)102 591.6 R F2 .288
(Enhanced Mail System Status Codes.)2.788 F F1 -.15(Fo)5.287 G 2.787(re)
.15 G(xample,)-2.937 E(the entry:)102 603.6 Q
($#error $@ NOHOST $: Host unkno)142 619.8 Q(wn in this domain)-.25 E
.145(on the RHS of a rule will cause the speci\214ed error to be genera\
ted and the \231Host unkno)102 636 R .146(wn\232 e)-.25 F .146(xit sta-)
-.15 F .491(tus to be returned if the LHS matches.)102 648 R .491
(This mailer is only functional in rulesets 0, 5, or one of the)5.491 F
1.81(check_* rulesets.)102 660 R 1.81
(The host \214eld can also contain the special tok)6.81 F(en)-.1 E F0
(quarantine)4.31 E F1 1.81(which instructs)4.31 F
(sendmail to quarantine the current message.)102 672 Q .257
(The mailer with the special name \231discard\232 causes an)127 688.2 R
2.756(ym)-.15 G .256(ail sent to it to be discarded b)-2.756 F .256
(ut oth-)-.2 F 1.313(erwise treated as though it were successfully deli)
102 700.2 R -.15(ve)-.25 G 3.813(red. This).15 F 1.314
(mailer cannot be used in ruleset 0,)3.813 F(only in the v)102 712.2 Q
(arious address checking rulesets.)-.25 E 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-60 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF .468
(The mailer named \231local\232)127 96 R/F2 10/Times-Italic@0 SF(must)
2.968 E F1 .468(be de\214ned in e)2.968 F -.15(ve)-.25 G .468
(ry con\214guration \214le.).15 F .468(This is used to deli)5.468 F -.15
(ve)-.25 G(r).15 E .25(local mail, and is treated specially in se)102
108 R -.15(ve)-.25 G .25(ral w).15 F 2.75(ays. Additionally)-.1 F 2.75
(,t)-.65 G .25(hree other mailers named \231prog\232,)-2.75 F .942(\231\
*\214le*\232, and \231*include*\232 may be de\214ned to tune the deli)
102 120 R -.15(ve)-.25 G .942(ry of messages to programs, \214les, and)
.15 F(:include: lists respecti)102 132 Q -.15(ve)-.25 G(ly).15 E 5(.T)
-.65 G(he)-5 E 2.5(yd)-.15 G(ef)-2.5 E(ault to:)-.1 E
(Mprog, P=/bin/sh, F=lsoDq9, T=DNS/RFC822/X-Unix, A=sh \255c $u)142
148.2 Q
(M*\214le*, P=[FILE], F=lsDFMPEouq9, T=DNS/RFC822/X-Unix, A=FILE $u)142
160.2 Q(M*include*, P=/de)142 172.2 Q(v/null, F=su, A=INCLUDE $u)-.25 E
.466
(Builtin pathnames are [FILE] and [IPC], the former is used for deli)127
192.6 R -.15(ve)-.25 G .467(ry to \214les, the latter for).15 F(deli)102
204.6 Q -.15(ve)-.25 G .12(ry via interprocess communication.).15 F -.15
(Fo)5.12 G 2.62(rm).15 G .12(ailers that use [IPC] as pathname the ar)
-2.62 F .12(gument v)-.18 F(ec-)-.15 E .761
(tor \(A=\) must start with TCP or FILE for deli)102 216.6 R -.15(ve)
-.25 G .761(ry via a TCP or a Unix domain sock).15 F 3.261(et. If)-.1 F
.761(TCP is)3.261 F .11(used, the second ar)102 228.6 R .109
(gument must be the name of the host to contact.)-.18 F .109
(Optionally a third ar)5.109 F .109(gument can)-.18 F .575
(be used to specify a port, the def)102 240.6 R .576
(ault is smtp \(port 25\).)-.1 F .576(If FILE is used, the second ar)
5.576 F .576(gument must)-.18 F(be the name of the Unix domain sock)102
252.6 Q(et.)-.1 E .669(If the ar)127 268.8 R .669(gument v)-.18 F .669
(ector does not contain $u then)-.15 F F2(sendmail)3.169 E F1 .668
(will speak SMTP \(or LMTP if the)3.169 F
(mailer \215ag z is speci\214ed\) to the mailer)102 280.8 Q(.)-.55 E
(If no Eol \214eld is de\214ned, then the def)127 297 Q
(ault is "\\r\\n" for SMTP mailers and "\\n" of others.)-.1 E .615
(The Sender and Recipient re)127 313.2 R .615
(writing sets may either be a simple ruleset id or may be tw)-.25 F
3.116(oi)-.1 G(ds)-3.116 E .576
(separated by a slash; if so, the \214rst re)102 325.2 R .575
(writing set is applied to en)-.25 F -.15(ve)-.4 G .575
(lope addresses and the second is).15 F(applied to headers.)102 337.2 Q
(Setting an)5 E 2.5(yv)-.15 G
(alue to zero disables corresponding mailer)-2.75 E(-speci\214c re)-.2 E
(writing.)-.25 E .196
(The Directory is actually a colon-separated path of directories to try)
127 353.4 R 5.197(.F)-.65 G .197(or e)-5.347 F .197
(xample, the de\214ni-)-.15 F .104
(tion \231D=$z:/\232 \214rst tries to e)102 365.4 R -.15(xe)-.15 G .104
(cute in the recipient').15 F 2.604(sh)-.55 G .104
(ome directory; if that is not a)-2.604 F -.25(va)-.2 G .103
(ilable, it tries to).25 F -.15(exe)102 377.4 S .816
(cute in the root of the \214lesystem.).15 F .816
(This is intended to be used only on the \231prog\232 mailer)5.816 F
3.317(,s)-.4 G(ince)-3.317 E .009(some shells \(such as)102 389.4 R F2
(csh)2.509 E F1 2.509(\)r)C .009(efuse to e)-2.509 F -.15(xe)-.15 G .009
(cute if the).15 F 2.509(yc)-.15 G .009
(annot read the current directory)-2.509 F 5.008(.S)-.65 G .008
(ince the queue)-5.008 F(directory is not normally readable by unpri)102
401.4 Q(vile)-.25 E(ged users)-.15 E F2(csh)2.5 E F1
(scripts as recipients can f)2.5 E(ail.)-.1 E 1.862
(The Userid speci\214es the def)127 417.6 R 1.863
(ault user and group id to run as, o)-.1 F -.15(ve)-.15 G 1.863
(rriding the).15 F F0(DefaultUser)4.363 E F1 .098(option \(q.v)102 429.6
R 2.598(.\). If)-.65 F(the)2.598 E F0(S)2.598 E F1 .098(mailer \215ag i\
s also speci\214ed, this user and group will be set as the ef)2.598 F
(fecti)-.25 E .398 -.15(ve u)-.25 H(id).15 E .693
(and gid for the process.)102 441.6 R .694(This may be gi)5.693 F -.15
(ve)-.25 G 3.194(na).15 G(s)-3.194 E F2(user:gr)3.194 E(oup)-.45 E F1
.694(to set both the user and group id; either)3.194 F .127
(may be an inte)102 453.6 R .127(ger or a symbolic name to be look)-.15
F .127(ed up in the)-.1 F F2(passwd)2.627 E F1(and)2.627 E F2(gr)2.627 E
(oup)-.45 E F1 .126(\214les respecti)2.626 F -.15(ve)-.25 G(ly).15 E
5.126(.I)-.65 G(f)-5.126 E .782
(only a symbolic user name is speci\214ed, the group id in the)102 465.6
R F2(passwd)3.282 E F1 .782(\214le for that user is used as the)3.282 F
(group id.)102 477.6 Q .545(The Charset \214eld is used when con)127
493.8 R -.15(ve)-.4 G .545
(rting a message to MIME; this is the character set used).15 F .465
(in the Content-T)102 505.8 R .465(ype: header)-.8 F 5.465(.I)-.55 G
2.965(ft)-5.465 G .465(his is not set, the)-2.965 F F0(DefaultCharset)
2.966 E F1 .466(option is used, and if that is not)2.966 F .258
(set, the v)102 517.8 R .258(alue \231unkno)-.25 F .258
(wn-8bit\232 is used.)-.25 F F0 -1.2(WA)5.257 G(RNING:)1.2 E F1 .257
(this \214eld applies to the sender')2.757 F 2.757(sm)-.55 G(ailer)
-2.757 E 2.757(,n)-.4 G .257(ot the)-2.757 F(recipient')102 529.8 Q
2.701(sm)-.55 G(ailer)-2.701 E 5.201(.F)-.55 G .201(or e)-5.351 F .201
(xample, if the en)-.15 F -.15(ve)-.4 G .202
(lope sender address lists an address on the local netw).15 F(ork)-.1 E
.48(and the recipient is on an e)102 541.8 R .48(xternal netw)-.15 F .48
(ork, the character set will be set from the Charset= \214eld for)-.1 F
(the local netw)102 553.8 Q(ork mailer)-.1 E 2.5(,n)-.4 G
(ot that of the e)-2.5 E(xternal netw)-.15 E(ork mailer)-.1 E(.)-.55 E
.794(The T)127 570 R .795(ype= \214eld sets the type information used i\
n MIME error messages as de\214ned by RFC)-.8 F 2.805(1894. It)102 582 R
.305(is actually three v)2.805 F .305
(alues separated by slashes: the MT)-.25 F .305
(A-type \(that is, the description of ho)-.93 F(w)-.25 E .083(hosts are\
 named\), the address type \(the description of e-mail addresses\), and\
 the diagnostic type \(the)102 594 R .143
(description of error diagnostic codes\).)102 606 R .143
(Each of these must be a re)5.143 F .142(gistered v)-.15 F .142
(alue or be)-.25 F .142(gin with \231X\255\232.)-.15 F(The def)102 618 Q
(ault is \231dns/rfc822/smtp\232.)-.1 E 1.175(The m= \214eld speci\214e\
s the maximum number of messages to attempt to deli)127 634.2 R -.15(ve)
-.25 G 3.675(ro).15 G 3.675(nas)-3.675 G(ingle)-3.675 E
(SMTP or LMTP connection.)102 646.2 Q(The def)5 E(ault is in\214nite.)
-.1 E 1.545(The r= \214eld speci\214es the maximum number of recipients\
 to attempt to deli)127 662.4 R -.15(ve)-.25 G 4.045(ri).15 G 4.045(nas)
-4.045 G(ingle)-4.045 E(en)102 674.4 Q -.15(ve)-.4 G 2.5(lope. It).15 F
(def)2.5 E(aults to 100.)-.1 E 1.052(The /= \214eld speci\214es a ne)127
690.6 R 3.552(wr)-.25 G 1.052(oot directory for the mailer)-3.552 F
6.052(.T)-.55 G 1.052(he path is macro e)-6.052 F 1.052(xpanded and)-.15
F .512(then passed to the \231chroot\232 system call.)102 702.6 R .512
(The root directory is changed before the Directory \214eld is)5.512 F
(consulted or the uid is changed.)102 714.6 Q 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-61)195.86 E/F1 10/Times-Roman@0 SF .56(The W)127 96 R .56
(ait= \214eld speci\214es the maximum time to w)-.8 F .561
(ait for the mailer to return after sending all)-.1 F(data to it.)102
108 Q(This applies to mailers that ha)5 E .3 -.15(ve b)-.2 H(een fork)
.15 E(ed by)-.1 E/F2 10/Times-Italic@0 SF(sendmail)2.5 E F1(.)A 1.164
(The Queue)127 124.2 R 1.164(group= \214eld speci\214es the def)-.15 F
1.164(ault queue group in which recei)-.1 F -.15(ve)-.25 G 3.664(dm).15
G 1.163(ail should be)-3.664 F 2.848(queued. This)102 136.2 R .348
(can be o)2.848 F -.15(ve)-.15 G .349(rridden by other means as e).15 F
.349(xplained in section `)-.15 F .349(`Queue Groups and Queue)-.74 F
(Directories')102 148.2 Q('.)-.74 E F0 2.5(5.5. H)87 172.2 R 2.5<8a44>
2.5 G(e\214ne Header)-2.5 E F1 1.136
(The format of the header lines that)127 188.4 R F2(sendmail)3.636 E F1
1.135(inserts into the message are de\214ned by the)3.636 F F0(H)3.635 E
F1 2.5(line. The)102 200.4 R(syntax of this line is one of the follo)2.5
E(wing:)-.25 E F0(H)142 216.6 Q F2(hname)A F0(:)A F2(htemplate)2.5 E F0
(H)142 237 Q F1([)A F0(?)A F2(m\215a)A(gs)-.1 E F0(?])A F2(hname)A F0(:)
A F2(htemplate)2.5 E F0(H)142 257.4 Q F1([)A F0(?$)A F2({macr)A(o})-.45
E F0(?])A F2(hname)A F0(:)A F2(htemplate)2.5 E F1 1.058(Continuation li\
nes in this spec are re\215ected directly into the outgoing message.)102
273.6 R(The)6.058 E F2(htemplate)3.558 E F1(is)3.558 E(macro-e)102 285.6
Q 1.12(xpanded before insertion into the message.)-.15 F 1.12(If the)
6.12 F F2(m\215a)3.62 E(gs)-.1 E F1 1.12
(\(surrounded by question marks\))3.62 F .161(are speci\214ed, at least\
 one of the speci\214ed \215ags must be stated in the mailer de\214niti\
on for this header)102 297.6 R .858(to be automatically output.)102
309.6 R .858(If a)5.858 F F2(${macr)3.358 E(o})-.45 E F1 .858
(\(surrounded by question marks\) is speci\214ed, the header)3.358 F
1.264(will be automatically output if the macro is set.)102 321.6 R
1.264(The macro may be set using an)6.264 F 3.764(yo)-.15 G 3.764(ft)
-3.764 G 1.264(he normal)-3.764 F .233(methods, including using the)102
333.6 R F0(macr)2.733 E(o)-.18 E F1 .232(storage map in a ruleset.)2.732
F .232(If one of these headers is in the input)5.232 F .124
(it is re\215ected to the output re)102 345.6 R -.05(ga)-.15 G .124
(rdless of these \215ags or macros.).05 F .125(Notice: If a)5.125 F F2
(${macr)2.625 E(o})-.45 E F1 .125(is used to set a)2.625 F(header)102
357.6 Q 4.309(,t)-.4 G 1.809
(hen it is useful to add that macro to class)-4.309 F F2($={per)4.308 E
(sistentMacr)-.1 E(os})-.45 E F1 1.808(which consists of the)4.308 F
(macros that should be sa)102 369.6 Q -.15(ve)-.2 G 2.5(da).15 G
(cross queue runs.)-2.5 E(Some headers ha)127 385.8 Q .3 -.15(ve s)-.2 H
(pecial semantics that will be described later).15 E(.)-.55 E 2.71(As)
127 402 S .21(econdary syntax allo)-2.71 F .21(ws v)-.25 F .211
(alidation of headers as the)-.25 F 2.711(ya)-.15 G .211(re being read.)
-2.711 F 1.811 -.8(To e)5.211 H .211(nable v).8 F(alidation,)-.25 E
(use:)102 414 Q F0(H)142 430.2 Q F2(Header)A F0 2.5(:$)C(>)-2.5 E F2
(Ruleset)A F0(H)142 442.2 Q F2(Header)A F0 2.5(:$)C(>+)-2.5 E F2
(Ruleset)A F1 .265(The indicated)102 458.4 R F2(Ruleset)2.765 E F1 .265
(is called for the speci\214ed)2.765 F F2(Header)2.765 E F1 2.765(,a)C
.265(nd can return)-2.765 F F0($#err)2.765 E(or)-.18 E F1 .265
(to reject or quaran-)2.765 F 1.304(tine the message or)102 470.4 R F0
($#discard)3.804 E F1 1.304(to discard the message \(as with the other)
3.804 F F0(check_)3.804 E F1 3.804(*r)C 3.804(ulesets\). The)-3.804 F
3.176(ruleset recei)102 482.4 R -.15(ve)-.25 G 5.676(st).15 G 3.176
(he header \214eld-body as ar)-5.676 F 3.175
(gument, i.e., not the header \214eld-name; see also)-.18 F .629
(${hdr_name} and ${currHeader}.)102 494.4 R .629
(The header is treated as a structured \214eld, that is, te)5.629 F .63
(xt in paren-)-.15 F .337
(theses is deleted before processing, unless the second form)102 506.4 R
F0($>+)2.837 E F1 .337(is used.)2.837 F .337(Note: only one ruleset can)
5.337 F(be associated with a header;)102 518.4 Q F2(sendmail)2.5 E F1
(will silently ignore multiple entries.)2.5 E -.15(Fo)127 534.6 S 2.5
(re).15 G(xample, the con\214guration lines:)-2.65 E
(HMessage-Id: $>CheckMessageId)142 550.8 Q(SCheckMessageId)142 574.8 Q
(R< $+ @ $+)142 586.8 Q 11.06(>$)5 G 2.5(@O)-11.06 G(K)-2.5 E 52.83
(R$* $#error)142 598.8 R($: Ille)2.5 E -.05(ga)-.15 G 2.5(lM).05 G
(essage-Id header)-2.5 E -.1(wo)102 615 S(uld refuse an).1 E 2.5(ym)-.15
G(essage that had a Message-Id: header of an)-2.5 E 2.5(yo)-.15 G 2.5
(ft)-2.5 G(he follo)-2.5 E(wing forms:)-.25 E(Message-Id: <>)142 631.2 Q
(Message-Id: some te)142 643.2 Q(xt)-.15 E(Message-Id: <le)142 655.2 Q
-.05(ga)-.15 G 2.5(lt).05 G -.15(ex)-2.5 G(t@domain> e).15 E(xtra crud)
-.15 E 3.068(Ad)102 671.4 S(ef)-3.068 E .569
(ault ruleset that is called for headers which don')-.1 F 3.069(th)-.18
G -2.25 -.2(av e)-3.069 H 3.069(as)3.269 G .569
(peci\214c ruleset de\214ned for them can)-3.069 F(be speci\214ed by:)
102 683.4 Q F0(H)142 699.6 Q F2(*)A F0 2.5(:$)C(>)-2.5 E F2(Ruleset)A F1
(or)102 715.8 Q 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-62 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E(H)142 96 Q/F1 10/Times-Italic@0
SF(*)A F0 2.5(:$)C(>+)-2.5 E F1(Ruleset)A F0 2.5(5.6. O)87 124.2 R 2.5
<8a53>2.5 G(et Option)-2.5 E/F2 10/Times-Roman@0 SF .963(There are a nu\
mber of global options that can be set from a con\214guration \214le.)
127 140.4 R .962(Options are)5.962 F .86(represented by full w)102 152.4
R .86(ords; some are also representable as single characters for back c\
ompatibility)-.1 F(.)-.65 E(The syntax of this line is:)102 164.4 Q F0
(O)142 180.6 Q F1(option)7.5 E F0(=)A F1(value)A F2 .563
(This sets option)102 196.8 R F1(option)3.062 E F2 .562(to be)3.062 F F1
(value)3.062 E F2 5.562(.N)C .562(ote that there)-5.562 F F1(must)3.062
E F2 .562(be a space between the letter `O' and the)3.062 F
(name of the option.)102 208.8 Q(An older v)5 E(ersion is:)-.15 E F0(O)
142 225 Q F1 1.666(ov)C(alue)-1.666 E F2 .13(where the option)102 241.2
R F1(o)2.63 E F2 .13(is a single character)2.63 F 5.13(.D)-.55 G .13
(epending on the option,)-5.13 F F1(value)2.63 E F2 .13
(may be a string, an inte)2.63 F(ger)-.15 E(,)-.4 E 2.5(ab)102 253.2 S
(oolean \(with le)-2.5 E -.05(ga)-.15 G 2.5(lv).05 G
(alues \231t\232, \231T\232, \231f\232, or \231F\232; the def)-2.75 E
(ault is TR)-.1 E(UE\), or a time interv)-.4 E(al.)-.25 E 1.164(All \
\214lenames used in options should be absolute paths, i.e., starting wi\
th '/'.)127 269.4 R(Relati)6.164 E 1.464 -.15(ve \214)-.25 H(le-).15 E
(names most lik)102 281.4 Q
(ely cause surprises during operation \(unless otherwise noted\).)-.1 E
(The options supported \(with the old, one character names in brack)127
297.6 Q(ets\) are:)-.1 E(AliasFile=)102 313.8 Q F1(spec, spec, ...)A F2
.182([A] Specify possible alias \214le\(s\).)174 325.8 R(Each)5.182 E F1
(spec)2.682 E F2 .183(should be in the format `)2.682 F(`)-.74 E F1
(class)A F0(:)A F1(info)2.683 E F2 -.74('')C(where)174 337.8 Q F1(class)
3.031 E F0(:)A F2 .531(is optional and def)3.031 F .531(aults to `)-.1 F
(`implicit')-.74 E 3.031('. Note)-.74 F(that)3.031 E F1(info)3.031 E F2
.53(is required for)3.03 F(all)174 349.8 Q F1(class)3.524 E F2 1.024
(es e)B 1.024(xcept \231ldap\232.)-.15 F -.15(Fo)6.024 G 3.524(rt).15 G
1.024(he \231ldap\232 class, if)-3.524 F F1(info)3.524 E F2 1.025
(is not speci\214ed, a def)3.524 F(ault)-.1 E F1(info)174 361.8 Q F2
-.25(va)2.5 G(lue is used as follo).25 E(ws:)-.25 E
(\255k \(&\(objectClass=sendmailMT)214 378 Q(AAliasObject\))-.93 E
(\(sendmailMT)226.5 390 Q(AAliasName=aliases\))-.93 E(\(|\(sendmailMT)
226.5 402 Q -.4(AC)-.93 G(luster=${sendmailMT).4 E -.4(AC)-.93 G
(luster}\)).4 E(\(sendmailMT)231.5 414 Q(AHost=$j\)\))-.93 E
(\(sendmailMT)226.5 426 Q(AK)-.93 E -.15(ey)-.25 G(=%0\)\)).15 E
(\255v sendmailMT)214 438 Q(AAliasV)-.93 E(alue)-1.11 E 2.305
(Depending on ho)174 454.2 R(w)-.25 E F1(sendmail)4.805 E F2 2.305
(is compiled, v)4.805 F 2.305
(alid classes are \231implicit\232 \(search)-.25 F 1.207(through a comp\
iled-in list of alias \214le types, for back compatibility\), \231hash\
\232 \(if)174 466.2 R/F3 9/Times-Roman@0 SF(NEWDB)174 478.2 Q F2 .496
(is speci\214ed\), \231btree\232 \(if)2.996 F F3(NEWDB)2.996 E F2 .496
(is speci\214ed\), \231dbm\232 \(if)2.996 F F3(NDBM)2.996 E F2 .496
(is speci-)2.996 F 1.1(\214ed\), \231cdb\232 \(if)174 490.2 R F3(CDB)3.6
E F2 1.101(is speci\214ed\), \231stab\232 \(internal symbol table \212 \
not normally)3.6 F 1.079(used unless you ha)174 502.2 R 1.379 -.15(ve n)
-.2 H 3.578(oo).15 G 1.078
(ther database lookup\), \231sequence\232 \(use a sequence of)-3.578 F
.958(maps pre)174 514.2 R .958(viously declared\), \231ldap\232 \(if)
-.25 F F3(LD)3.458 E(APMAP)-.36 E F2 .958
(is speci\214ed\), or \231nis\232 \(if)3.458 F F3(NIS)3.459 E F2(is)
3.459 E 2.5(speci\214ed\). If)174 526.2 R 2.5(al)2.5 G(ist of)-2.5 E F1
(spec)2.5 E F2 2.5(sa)C(re pro)-2.5 E(vided,)-.15 E F1(sendmail)2.5 E F2
(searches them in order)2.5 E(.)-.55 E(AliasW)102 542.4 Q(ait=)-.8 E F1
(timeout)A F2 .141([a] If set, w)174 554.4 R .141(ait up to)-.1 F F1
(timeout)2.641 E F2 .141(\(units def)2.641 F .14
(ault to minutes\) for an \231@:@\232 entry to e)-.1 F(xist)-.15 E .517
(in the alias database before starting up.)174 566.4 R .517
(If it does not appear in the)5.517 F F1(timeout)3.018 E F2(inter)3.018
E(-)-.2 E -.25(va)174 578.4 S 2.5(li).25 G(ssue a w)-2.5 E(arning.)-.1 E
(Allo)102 594.6 Q(wBogusHELO)-.25 E 1.104([no short name] If set, allo)
174 606.6 R 3.604(wH)-.25 G 1.104(ELO SMTP commands that don')-3.604 F
3.604(ti)-.18 G 1.103(nclude a host)-3.604 F 2.881(name. Setting)174
618.6 R .382(this violates RFC 1123 section 5.2.5, b)2.881 F .382
(ut is necessary to interoper)-.2 F(-)-.2 E .061(ate with se)174 630.6 R
-.15(ve)-.25 G .061(ral SMTP clients.).15 F .061(If there is a v)5.061 F
.06(alue, it is still check)-.25 F .06(ed for le)-.1 F(gitimac)-.15 E
-.65(y.)-.15 G(AuthMaxBits=)102 646.8 Q F1(N)A F2 .697([no short name] \
Limit the maximum encryption strength for the security layer in)5.24 F
1.318(SMTP A)174 658.8 R 1.318(UTH \(SASL\). Def)-.55 F 1.317
(ault is essentially unlimited.)-.1 F 1.317(This allo)6.317 F 1.317
(ws to turn of)-.25 F(f)-.25 E .377(additional encryption in SASL if ST)
174 670.8 R(AR)-.93 E .377(TTLS is already encrypting the communi-)-.6 F
.179(cation, because the e)174 682.8 R .179
(xisting encryption strength is tak)-.15 F .179
(en into account when choos-)-.1 F .997
(ing an algorithm for the security layer)174 694.8 R 5.998(.F)-.55 G
.998(or e)-6.148 F .998(xample, if ST)-.15 F(AR)-.93 E .998
(TTLS is used and)-.6 F .437
(the symmetric cipher is 3DES, then the the k)174 706.8 R -.15(ey)-.1 G
.437(length \(in bits\) is 168.).15 F .437(Hence set-)5.437 F(ting)174
718.8 Q F0 -.5(Au)2.5 G(thMaxBits).5 E F2(to 168 will disable an)2.5 E
2.5(ye)-.15 G(ncryption in SASL.)-2.5 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-63)195.86 E/F1 10/Times-Roman@0 SF -1.05(AuthMechanisms [no)102
96 R .687(short name] List of authentication mechanisms for A)3.187 F
.688(UTH \(separated by spa-)-.55 F 3.049(ces\). The)174 108 R(adv)3.049
E .548
(ertised list of authentication mechanisms will be the intersection of)
-.15 F 1.125(this list and the list of a)174 120 R -.25(va)-.2 G 1.126
(ilable mechanisms as determined by the Cyrus SASL).25 F(library)174 132
Q 6.167(.I)-.65 G 3.667(fS)-6.167 G -.93(TA)-3.667 G -.6(RT).93 G 1.167
(TLS is acti).6 F -.15(ve)-.25 G 3.667(,E).15 G(XTERN)-3.667 E 1.167
(AL will be added to this list.)-.35 F 1.166(In that)6.167 F
(case, the v)174 144 Q
(alue of {cert_subject} is used as authentication id.)-.25 E 17.83
(AuthOptions [no)102 160.2 R .836
(short name] List of options for SMTP A)3.335 F .836
(UTH consisting of single characters)-.55 F(with interv)174 172.2 Q
(ening white space or commas.)-.15 E 12.78(AU)214 188.4 S(se the A)
-12.78 E(UTH= parameter for the MAIL FR)-.55 E(OM)-.4 E
(command only when authentication succeeded.)234 200.4 Q
(This can be used as a w)234 212.4 Q(orkaround for brok)-.1 E(en)-.1 E
(MT)234 224.4 Q(As that do not implement RFC 2554 correctly)-.93 E(.)
-.65 E 15.56(ap)214 236.4 S(rotection from acti)-15.56 E .3 -.15(ve \()
-.25 H(non-dictionary\) attacks).15 E(during authentication e)234 248.4
Q(xchange.)-.15 E 15.56(cr)214 260.4 S
(equire mechanisms which pass client credentials,)-15.56 E(and allo)234
272.4 Q 2.5(wm)-.25 G(echanisms which can pass credentials)-2.5 E
(to do so.)234 284.4 Q 15(dd)214 296.4 S(on')-15 E 2.5(tp)-.18 G
(ermit mechanisms susceptible to passi)-2.5 E -.15(ve)-.25 G
(dictionary attack.)234 308.4 Q 16.67(fr)214 320.4 S(equire forw)-16.67
E(ard secrec)-.1 E 2.5(yb)-.15 G(etween sessions)-2.5 E
(\(breaking one w)234 332.4 Q(on')-.1 E 2.5(th)-.18 G(elp break ne)-2.5
E(xt\).)-.15 E 12.22(mr)214 344.4 S(equire mechanisms which pro)-12.22 E
(vide mutual authentication)-.15 E(\(only a)234 356.4 Q -.25(va)-.2 G
(ilable if using Cyrus SASL v2 or later\).).25 E 15(pd)214 368.4 S(on')
-15 E 2.5(tp)-.18 G(ermit mechanisms susceptible to simple)-2.5 E(passi)
234 380.4 Q .3 -.15(ve a)-.25 H(ttack \(e.g., PLAIN, LOGIN\), unless a)
.15 E(security layer is acti)234 392.4 Q -.15(ve)-.25 G(.).15 E 15(yd)
214 404.4 S(on')-15 E 2.5(tp)-.18 G(ermit mechanisms that allo)-2.5 E
2.5(wa)-.25 G(non)-2.5 E(ymous login.)-.15 E(The \214rst option applies\
 to sendmail as a client, the others to a serv)174 420.6 Q(er)-.15 E 5
(.E)-.55 G(xample:)-5 E 2.5(OA)214 436.8 S(uthOptions=p,y)-2.5 E -.1(wo)
174 453 S 1.347(uld disallo).1 F 3.847(wA)-.25 G 1.347(NONYMOUS as A)
-3.847 F 1.347(UTH mechanism and w)-.55 F 1.346(ould allo)-.1 F 3.846
(wP)-.25 G(LAIN)-3.846 E 1.788
(and LOGIN only if a security layer \(e.g., pro)174 465 R 1.789
(vided by ST)-.15 F(AR)-.93 E 1.789(TTLS\) is already)-.6 F(acti)174 477
Q -.15(ve)-.25 G 5.364(.T).15 G .364(he options 'a', 'c', ')-5.364 F
.364(d', 'f)-.5 F .364
(', 'p', and 'y' refer to properties of the selected).55 F 1.089
(SASL mechanisms.)174 489 R 1.089
(Explanations of these properties can be found in the Cyrus)6.089 F
(SASL documentation.)174 501 Q 23.39(AuthRealm [no)102 517.2 R 2.502
(short name] The authentication realm that is passed to the Cyrus SASL)
5.003 F(library)174 529.2 Q 5(.I)-.65 G 2.5(fn)-5 G 2.5(or)-2.5 G
(ealm is speci\214ed,)-2.5 E F0($j)2.5 E F1(is used.)2.5 E(See also KNO)
5 E(WNB)-.35 E(UGS.)-.1 E(BadRcptThrottle=)102 545.4 Q/F2 10
/Times-Italic@0 SF(N)A F1 1.194([no short name] If set and the speci\
\214ed number of recipients in a single SMTP)174 557.4 R .596
(transaction ha)174 569.4 R .896 -.15(ve b)-.2 H .595
(een rejected, sleep for one second after each subsequent RCPT).15 F
(command in that transaction.)174 581.4 Q(BlankSub=)102 597.6 Q F2(c)A
F1 1.255([B] Set the blank substitution character to)22.47 F F2(c)3.755
E F1 6.255(.U)C 1.255(nquoted spaces in addresses are)-6.255 F
(replaced by this character)174 609.6 Q 5(.D)-.55 G(ef)-5 E
(aults to space \(i.e., no change is made\).)-.1 E(CA)102 625.8 Q(CertP)
-.4 E 21.16(ath [no)-.15 F .897(short name] P)3.397 F .897
(ath to directory with certi\214cates of CAs.)-.15 F .896
(This directory direc-)5.896 F 1.234(tory must contain the hashes of ea\
ch CA certi\214cate as \214lenames \(or as links to)174 637.8 R(them\).)
174 649.8 Q(CA)102 666 Q 23.23(CertFile [no)-.4 F 1.439(short name] Fil\
e containing one or more CA certi\214cates; see section about)3.94 F(ST)
174 678 Q(AR)-.93 E(TTLS for more information.)-.6 E
(CertFingerprintAlgorithm)102 694.2 Q 1.949(Specify the \214ngerprint a\
lgorithm \(digest\) to use for the presented cert.)174 706.2 R 1.95
(If the)6.95 F 2.346(option is not set, md5 is used and the macro)174
718.2 R F0(${cert_md5})4.845 E F1 2.345(contains the cert)4.845 F 0 Cg
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-64 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF 3.764
(\214ngerprint. If)174 96 R 1.264(the option is e)3.764 F 1.264
(xplicitly set, the speci\214ed algorithm \(e.g., sha1\) is)-.15 F
(used and the macro)174 108 Q F0(${cert_fp})2.5 E F1
(contains the cert \214ngerprint.)2.5 E 26.72(CipherList Specify)102
124.2 R 1.06(cipher list for ST)3.56 F(AR)-.93 E 1.06
(TTLS \(does not apply to TLSv1.3\).)-.6 F(See)6.06 E/F2 10
/Times-Italic@0 SF(cipher)3.56 E(s)-.1 E F1(\(1\))A(for possible v)174
136.2 Q(alues.)-.25 E 14.51(CheckAliases [n])102 152.4 R -1.11(Va)2.5 G
(lidate the RHS of aliases when reb)1.11 E(uilding the alias database.)
-.2 E(CheckpointInterv)102 168.6 Q(al=)-.25 E F2(N)A F1 1.296
([C] Checkpoints the queue e)174 180.6 R -.15(ve)-.25 G(ry).15 E F2(N)
3.797 E F1(\(def)3.797 E 1.297(ault 10\) addresses sent.)-.1 F 1.297
(If your system)6.297 F .747(crashes during deli)174 192.6 R -.15(ve)
-.25 G .746(ry to a lar).15 F .746(ge list, this pre)-.18 F -.15(ve)-.25
G .746(nts retransmission to an).15 F 3.246(yb)-.15 G .746(ut the)-3.446
F(last)174 204.6 Q F2(N)2.5 E F1(recipients.)2.5 E(ClassF)102 220.8 Q
(actor=)-.15 E F2(fact)A F1 1.624([z] The indicated)4.29 F F2(fact)4.124
E F1 1.624(or is multiplied by the message class \(determined by the)B
.719(Precedence: \214eld in the user header and the)174 232.8 R F0(P)
3.219 E F1 .718(lines in the con\214guration \214le\) and)3.218 F 2.637
(subtracted from the priority)174 244.8 R 7.637(.T)-.65 G 2.637
(hus, messages with a higher Priority: will be)-7.637 F -.1(fa)174 256.8
S -.2(vo)-.1 G 2.5(red. Def).2 F(aults to 1800.)-.1 E 12.27
(ClientCertFile [no)102 273 R .708(short name] File containing the cert\
i\214cate of the client, i.e., this certi\214cate is)3.209 F(used when)
174 285 Q F2(sendmail)2.5 E F1(acts as client \(for ST)2.5 E(AR)-.93 E
(TTLS\).)-.6 E(ClientK)102 301.2 Q -.15(ey)-.25 G 13.23(File [no).15 F
.714(short name] File containing the pri)3.214 F -.25(va)-.25 G .714
(te k).25 F 1.014 -.15(ey b)-.1 H .714
(elonging to the client certi\214cate).15 F(\(for ST)174 313.2 Q(AR)-.93
E(TTLS if)-.6 E F2(sendmail)2.5 E F1(runs as client\).)2.5 E
(ClientPortOptions=)102 329.4 Q F2(options)A F1 .355
([O] Set client SMTP options.)174 341.4 R .355(The options are)5.355 F
F2 -.1(ke)2.855 G(y=value)-.2 E F1 .355(pairs separated by com-)2.855 F
2.5(mas. Kno)174 353.4 R(wn k)-.25 E -.15(ey)-.1 G 2.5(sa).15 G(re:)-2.5
E 52.83(Port Name/number)214 369.6 R
(of source port for connection \(def)2.5 E(aults to an)-.1 E 2.5(yf)-.15
G(ree port\))-2.5 E 48.95(Addr Address)214 381.6 R(mask \(def)2.5 E
(aults IN)-.1 E(ADDR_ANY\))-.35 E -.15(Fa)214 393.6 S 41.31
(mily Address).15 F -.1(fa)2.5 G(mily \(def).1 E(aults to INET\))-.1 E
21.72(SndBufSize Size)214 405.6 R(of TCP send b)2.5 E(uf)-.2 E(fer)-.25
E 21.17(RcvBufSize Size)214 417.6 R(of TCP recei)2.5 E .3 -.15(ve b)-.25
H(uf)-.05 E(fer)-.25 E 34.5(Modi\214er Options)214 429.6 R
(\(\215ags\) for the client)2.5 E(The)174 445.8 Q F2(Addr)3.256 E F1
.756
(ess mask may be a numeric address in IPv4 dot notation or IPv6 colon)B
1.149(notation or a netw)174 457.8 R 1.149(ork name.)-.1 F 1.149
(Note that if a netw)6.149 F 1.148(ork name is speci\214ed, only the)-.1
F .383(\214rst IP address returned for it will be used.)174 469.8 R .383
(This may cause indeterminate beha)5.383 F(v-)-.2 E 1.485(ior for netw)
174 481.8 R 1.485(ork names that resolv)-.1 F 3.985(et)-.15 G 3.985(om)
-3.985 G 1.485(ultiple addresses.)-3.985 F 1.485(Therefore, use of an)
6.485 F(address is recommended.)174 493.8 Q F2(Modi\214er)5 E F1
(can be the follo)2.5 E(wing character:)-.25 E 67(hu)214 510 S
(se name of interf)-67 E(ace for HELO command)-.1 E 64.78(Ad)214 522 S
(on')-64.78 E 2.5(tu)-.18 G(se A)-2.5 E(UTH when sending e-mail)-.55 E
66.44(Sd)214 534 S(on')-66.44 E 2.5(tu)-.18 G(se ST)-2.5 E(AR)-.93 E
(TTLS when sending e-mail)-.6 E .763(If `)174 550.2 R(`h')-.74 E 3.263
('i)-.74 G 3.263(ss)-3.263 G .763
(et, the name corresponding to the outgoing interf)-3.263 F .764
(ace address \(whether)-.1 F .431
(chosen via the Connection parameter or the def)174 562.2 R .431
(ault\) is used for the HELO/EHLO)-.1 F 3.617(command. Ho)174 574.2 R
(we)-.25 E -.15(ve)-.25 G 1.917 -.4(r, t).15 H 1.118
(he name must not start with a square brack).4 F 1.118(et and it must)
-.1 F 1.842(contain at least one dot.)174 586.2 R 1.842
(This is a simple test whether the name is not an IP)6.842 F .712
(address \(in square brack)174 598.2 R .713(ets\) b)-.1 F .713
(ut a quali\214ed hostname.)-.2 F .713(Note that multiple Client-)5.713
F .344(PortOptions settings are allo)174 610.2 R .343
(wed in order to gi)-.25 F .643 -.15(ve s)-.25 H .343
(ettings for each protocol f).15 F(amily)-.1 E .315(\(e.g., one for F)
174 622.2 R .316(amily=inet and one for F)-.15 F 2.816(amily=inet6\). A)
-.15 F .316(restriction placed on one)2.816 F -.1(fa)174 634.2 S
(mily only af).1 E(fects outgoing connections on that particular f)-.25
E(amily)-.1 E(.)-.65 E(ClientSSLOptions)102 650.4 Q 3.496(As)174 662.4 S
.996(pace or comma separated list of SSL related options for the client\
 side.)-3.496 F(See)5.995 E F2(SSL_CTX_set_options)174 674.4 Q F1 .961
(\(3\) for a list; the a)B -.25(va)-.2 G .961(ilable v).25 F .961
(alues depend on the OpenSSL)-.25 F -.15(ve)174 686.4 S 5.629(rsion ag)
.15 F 5.629(ainst which)-.05 F F2(sendmail)8.129 E F1 5.629
(is compiled.)8.129 F 5.628(By def)10.629 F(ault,)-.1 E F2(SSL_OP_ALL)
8.128 E 3.91(SSL_OP_NO_SSLv2 SSL_OP_NO_TICKET -SSL_OP_TLSEXT_P)174 698.4
R(ADDING)-.9 E F1(are)6.41 E 1.016(used \(if those options are a)174
710.4 R -.25(va)-.2 G 3.516(ilable\). Options).25 F 1.016
(can be cleared by preceding them)3.516 F(with a minus sign.)174 722.4 Q
(It is also possible to specify numerical v)5 E(alues, e.g.,)-.25 E F0
(-0x0010)2.5 E F1(.)A 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-65)195.86 E/F1 10/Times-Roman@0 SF 3.95(ColonOkInAddr [no)102 96
R 4.679
(short name] If set, colons are acceptable in e-mail addresses \(e.g.,)
7.179 F 3.54(\231host:user\232\). If)174 108 R 1.04
(not set, colons indicate the be)3.54 F 1.04
(ginning of a RFC 822 group con-)-.15 F 1.987
(struct \(\231groupname: member1, member2, ... memberN;\232\).)174 120 R
1.988(Doubled colons are)6.988 F(al)174 132 Q -.1(wa)-.1 G 2.215(ys acc\
eptable \(\231nodename::user\232\) and proper route-addr nesting is und\
er).1 F(-)-.2 E 1.036(stood \(\231<@relay:user@host>\232\).)174 144 R
1.037(Furthermore, this option def)6.036 F 1.037(aults on if the con-)
-.1 F .854(\214guration v)174 156 R .854(ersion le)-.15 F -.15(ve)-.25 G
3.354(li).15 G 3.354(sl)-3.354 G .853
(ess than 6 \(for back compatibility\).)-3.354 F(Ho)5.853 E(we)-.25 E
-.15(ve)-.25 G 1.653 -.4(r, i).15 H 3.353(tm).4 G(ust)-3.353 E(be of)174
168 Q 2.5(ff)-.25 G(or full compatibility with RFC 822.)-2.5 E
(ConnectionCacheSize=)102 184.2 Q/F2 10/Times-Italic@0 SF(N)A F1 .242([\
k] The maximum number of open connections that will be cached at a time\
.)174 196.2 R(The)5.243 E(def)174 208.2 Q .386(ault is one.)-.1 F .386
(This delays closing the current connection until either this in)5.386 F
-.2(vo)-.4 G(ca-).2 E 1.191(tion of)174 220.2 R F2(sendmail)3.691 E F1
1.191(needs to connect to another host or it terminates.)3.691 F 1.192
(Setting it to)6.192 F 2.047(zero def)174 232.2 R 2.047
(aults to the old beha)-.1 F(vior)-.2 E 4.546(,t)-.4 G 2.046
(hat is, connections are closed immediately)-4.546 F(.)-.65 E .266(Sinc\
e this consumes \214le descriptors, the connection cache should be k)174
244.2 R .266(ept small: 4)-.1 F(is probably a practical maximum.)174
256.2 Q(ConnectionCacheT)102 272.4 Q(imeout=)-.35 E F2(timeout)A F1 .708
([K] The maximum amount of time a cached connection will be permitted t\
o idle)174 284.4 R 1.082(without acti)174 296.4 R(vity)-.25 E 6.082(.I)
-.65 G 3.582(ft)-6.082 G 1.083(his time is e)-3.582 F 1.083
(xceeded, the connection is immediately closed.)-.15 F .418(This v)174
308.4 R .418(alue should be small \(on the order of ten minutes\).)-.25
F(Before)5.418 E F2(sendmail)2.918 E F1 .417(uses a)2.917 F .507
(cached connection, it al)174 320.4 R -.1(wa)-.1 G .508
(ys sends a RSET command to check the connection; if).1 F .402(this f)
174 332.4 R .402(ails, it reopens the connection.)-.1 F .401(This k)
5.402 F .401(eeps your end from f)-.1 F .401(ailing if the other)-.1 F
1.544(end times out.)174 344.4 R 1.545
(The point of this option is to be a good netw)6.544 F 1.545
(ork neighbor and)-.1 F -.2(avo)174 356.4 S(id using up e).2 E(xcessi)
-.15 E .3 -.15(ve r)-.25 H(esources on the other end.).15 E(The def)5 E
(ault is \214v)-.1 E 2.5(em)-.15 G(inutes.)-2.5 E(ConnectOnlyT)102 372.6
Q(o=)-.8 E F2(addr)A(ess)-.37 E F1 .862
([no short name] This can be used to o)174 384.6 R -.15(ve)-.15 G .861
(rride the connection address \(for testing).15 F(purposes\).)174 396.6
Q(ConnectionRateThrottle=)102 412.8 Q F2(N)A F1 .211
([no short name] If set to a positi)174 424.8 R .511 -.15(ve v)-.25 H
.211(alue, allo)-.1 F 2.711(wn)-.25 G 2.712(om)-2.711 G .212(ore than)
-2.712 F F2(N)2.712 E F1 .212(incoming connec-)2.712 F .132
(tions in a one second period per daemon.)174 436.8 R .132
(This is intended to \215atten out peaks and)5.132 F(allo)174 448.8 Q
2.5(wt)-.25 G(he load a)-2.5 E -.15(ve)-.2 G(rage checking to cut in.)
.15 E(Def)5 E(aults to zero \(no limits\).)-.1 E(ConnectionRateW)102 465
Q(indo)-.4 E(wSize=)-.25 E F2(N)A F1 .458
([no short name] De\214ne the length of the interv)174 477 R .459
(al for which the number of incom-)-.25 F
(ing connections is maintained.)174 489 Q(The def)5 E
(ault is 60 seconds.)-.1 E(ControlSock)102 505.2 Q(etName=)-.1 E F2
(name)A F1 .477([no short name] Name of the control sock)174 517.2 R
.476(et for daemon management.)-.1 F 2.976(Ar)5.476 G(unning)-2.976 E F2
(sendmail)174 529.2 Q F1 1.225
(daemon can be controlled through this named sock)3.725 F 3.725(et. A)
-.1 F -.25(va)-.74 G 1.225(ilable com-).25 F 2.926(mands are:)174 541.2
R F2 2.926(help, mstat, r)5.426 F 2.926(estart, shutdown,)-.37 F F1(and)
5.426 E F2(status.)5.426 E F1(The)7.926 E F2(status)5.426 E F1(command)
5.426 E .46(returns the current number of daemon children, the maximum \
number of daemon)174 553.2 R .449
(children, the free disk space \(in blocks\) of the queue directory)174
565.2 R 2.949(,a)-.65 G .449(nd the load a)-2.949 F -.15(ve)-.2 G -.2
(r-).15 G .882(age of the machine e)174 577.2 R .883
(xpressed as an inte)-.15 F(ger)-.15 E 5.883(.I)-.55 G 3.383(fn)-5.883 G
.883(ot set, no control sock)-3.383 F .883(et will be)-.1 F -.2(av)174
589.2 S 5.03(ailable. Solaris)-.05 F 2.529(and pre-4.4BSD k)5.029 F
2.529(ernel users should see the note in send-)-.1 F(mail/README .)174
601.2 Q(CRLFile=)102 617.4 Q F2(name)A F1 .482
([no short name] Name of \214le that contains certi\214cate re)9.69 F
-.2(vo)-.25 G .483(cation status, useful for).2 F .944
(X.509v3 authentication.)174 629.4 R .943
(Note: if a CRLFile is speci\214ed b)5.944 F .943
(ut the \214le is unusable,)-.2 F(ST)174 641.4 Q(AR)-.93 E
(TTLS is disabled.)-.6 E(CRLP)102 657.6 Q(ath=)-.15 E F2(name)A F1 1.848
([no short name] Name of directory that contains hashes pointing to cer\
ti\214cate)7.62 F(re)174 669.6 Q -.2(vo)-.25 G 1.161
(cation status \214les.).2 F 1.161
(Symbolic links can be generated with the follo)6.161 F 1.16(wing tw)
-.25 F(o)-.1 E(\(Bourne\) shell commands:)174 681.6 Q(C=FileName_of_CRL)
214 697.8 Q(ln -s $C `openssl crl -noout -hash < $C`.r0)214 709.8 Q 0 Cg
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-66 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF(DHP)102
96 Q 10.78(arameters This)-.15 F(option applies to the serv)2.5 E
(er side only)-.15 E 5(.P)-.65 G(ossible v)-5 E(alues are:)-.25 E 139
(5u)214 112.2 S(se precomputed 512 bit prime.)-139 E 139(1g)214 124.2 S
(enerate 1024 bit prime)-139 E 139(2g)214 136.2 S
(enerate 2048 bit prime.)-139 E 141.22(iu)214 148.2 S
(se included precomputed 2048 bit prime \(def)-141.22 E(ault\).)-.1 E
122.06(none do)214 160.2 R(not use Dif)2.5 E(\214e-Hellman.)-.25 E 95.38
(/path/to/\214le load)214 172.2 R(prime from \214le.)2.5 E .63
(This is only required if a ciphersuite containing DSA/DH is used.)174
188.4 R .63(The def)5.63 F .63(ault is)-.1 F -.74(``)174 200.4 S(i').74
E 3.407('w)-.74 G .907(hich selects a precomputed, \214x)-3.407 F .907
(ed 2048 bit prime.)-.15 F .907(If `)5.907 F(`5')-.74 E 3.407('i)-.74 G
3.407(ss)-3.407 G .906(elected, then)-3.407 F .408(precomputed, \214x)
174 212.4 R .408(ed primes are used.)-.15 F .409
(Note: this option should not be used \(unless)5.408 F .275
(necessary for compatibility with old implementations\).)174 224.4 R
.274(If `)5.275 F(`1')-.74 E 2.774('o)-.74 G 2.774(r`)-2.774 G(`2')
-3.514 E 2.774('i)-.74 G 2.774(ss)-2.774 G(elected,)-2.774 E 1.237
(then prime v)174 236.4 R 1.237(alues are computed during startup.)-.25
F 1.238(Note: this operation can tak)6.238 F 3.738(ea)-.1 G 1.649
(signi\214cant amount of time on a slo)174 248.4 R 4.148(wm)-.25 G 1.648
(achine \(se)-4.148 F -.15(ve)-.25 G 1.648(ral seconds\), b).15 F 1.648
(ut it is only)-.2 F 1.857(done once at startup.)174 260.4 R 1.857(If `)
6.857 F(`none')-.74 E 4.357('i)-.74 G 4.357(ss)-4.357 G 1.858
(elected, then TLS ciphersuites containing)-4.357 F .798
(DSA/DH cannot be used.)174 272.4 R .797
(If a \214le name is speci\214ed \(which must be an absolute)5.797 F
.449(path\), then the primes are read from it.)174 284.4 R .45
(It is recommended to generate such a \214le)5.449 F
(using a command lik)174 296.4 Q 2.5(et)-.1 G(his:)-2.5 E
(openssl dhparam -out /etc/mail/dhparams.pem 2048)358 312.6 Q .054
(If the \214le is not readable or contains unusable data, the def)174
328.8 R .054(ault `)-.1 F(`i')-.74 E 2.554('i)-.74 G 2.554(su)-2.554 G
.054(sed instead.)-2.554 F(DaemonPortOptions=)102 345 Q/F2 10
/Times-Italic@0 SF(options)A F1 .363([O] Set serv)174 357 R .363
(er SMTP options.)-.15 F .364(Each instance of)5.364 F F0(DaemonP)2.864
E(ortOptions)-.2 E F1 .364(leads to an)2.864 F(additional incoming sock)
174 369 Q 2.5(et. The)-.1 F(options are)2.5 E F2 -.1(ke)2.5 G(y=value)
-.2 E F1 2.5(pairs. Kno)2.5 F(wn k)-.25 E -.15(ey)-.1 G 2.5(sa).15 G
(re:)-2.5 E 45.62(Name User)214 385.2 R
(-de\214nable name for the daemon \(def)-.2 E(aults to "Daemon#"\))-.1 E
52.83(Port Name/number)214 397.2 R(of listening port \(def)2.5 E
(aults to "smtp"\))-.1 E 48.95(Addr Address)214 409.2 R(mask \(def)2.5 E
(aults IN)-.1 E(ADDR_ANY\))-.35 E -.15(Fa)214 421.2 S 41.31
(mily Address).15 F -.1(fa)2.5 G(mily \(def).1 E(aults to INET\))-.1 E
3.94(InputMailFilters List)214 433.2 R
(of input mail \214lters for the daemon)2.5 E 44.5(Listen Size)214 445.2
R(of listen queue \(def)2.5 E(aults to 10\))-.1 E 34.5
(Modi\214er Options)214 457.2 R(\(\215ags\) for the daemon)2.5 E 21.72
(SndBufSize Size)214 469.2 R(of TCP send b)2.5 E(uf)-.2 E(fer)-.25 E
21.17(RcvBufSize Size)214 481.2 R(of TCP recei)2.5 E .3 -.15(ve b)-.25 H
(uf)-.05 E(fer)-.25 E 36.73(children maximum)214 493.2 R
(number of children per daemon, see)2.5 E F0(MaxDaemonChildr)2.5 E(en)
-.18 E F1(.)A(Deli)214 505.2 Q -.15(ve)-.25 G 11.58(ryMode Deli).15 F
-.15(ve)-.25 G(ry mode per daemon, see).15 E F0(Deli)2.5 E -.1(ve)-.1 G
(ryMode).1 E F1(.)A 31.74(refuseLA RefuseLA)214 517.2 R(per daemon)2.5 E
34.51(delayLA DelayLA)214 529.2 R(per daemon)2.5 E 32.29
(queueLA QueueLA)214 541.2 R(per daemon)2.5 E(The)174 557.4 Q F2(Name)
2.681 E F1 -.1(ke)2.681 G 2.681(yi)-.05 G 2.681(su)-2.681 G .181
(sed for error messages and logging.)-2.681 F(The)5.181 E F2(Addr)2.68 E
F1 .18(ess mask may be)B 2.589(an)174 569.4 S .089
(umeric address in IPv4 dot notation or IPv6 colon notation, or a netw)
-2.589 F .09(ork name,)-.1 F .342(or a path to a local sock)174 581.4 R
2.841(et. Note)-.1 F .341(that if a netw)2.841 F .341
(ork name is speci\214ed, only the \214rst)-.1 F .084
(IP address returned for it will be used.)174 593.4 R .085
(This may cause indeterminate beha)5.085 F .085(vior for)-.2 F(netw)174
605.4 Q .328(ork names that resolv)-.1 F 2.828(et)-.15 G 2.828(om)-2.828
G .328(ultiple addresses.)-2.828 F .327(Therefore, use of an address is)
5.327 F 2.92(recommended. The)174 617.4 R F2 -.75(Fa)2.92 G(mily).75 E
F1 -.1(ke)2.92 G 2.92(yd)-.05 G(ef)-2.92 E .42(aults to INET \(IPv4\).)
-.1 F .42(IPv6 users who wish to)5.42 F 1.611
(also accept IPv6 connections should add additional F)174 629.4 R
(amily=inet6)-.15 E F0(DaemonP)4.111 E(or)-.2 E(-)-.37 E(tOptions)174
641.4 Q F1 2.889(lines. F)2.889 F .389(or a local sock)-.15 F .389
(et, use F)-.1 F .389(amily=local or F)-.15 F 2.889(amily=unix. The)-.15
F F2(Input-)2.89 E(MailF)174 653.4 Q(ilter)-.45 E(s)-.1 E F1 -.1(ke)3.34
G 3.34(yo)-.05 G -.15(ve)-3.49 G .84(rrides the def).15 F .84
(ault list of input mail \214lters listed in the)-.1 F F0(Input-)3.34 E
(MailFilters)174 665.4 Q F1 2.955(option. If)2.955 F .455
(multiple input mail \214lters are required, the)2.955 F 2.955(ym)-.15 G
.455(ust be sepa-)-2.955 F 2.065(rated by semicolons \(not commas\).)174
677.4 R F2(Modi\214er)7.065 E F1 2.064(can be a sequence \(without an)
4.565 F(y)-.15 E(delimiters\) of the follo)174 689.4 Q(wing characters:)
-.25 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-67)195.86 E/F1 10/Times-Roman@0 SF 67.56(aa)214 96 S -.1(lwa)
-67.56 G(ys require A).1 E(UTH)-.55 E 67(bb)214 108 S(ind to interf)-67
E(ace through which mail has been recei)-.1 E -.15(ve)-.25 G(d).15 E
67.56(cp)214 120 S(erform hostname canoni\214cation \(.cf\))-67.56 E
68.67(fr)214 132 S(equire fully quali\214ed hostname \(.cf\))-68.67 E
68.11(sR)214 144 S(un smtps \(SMTP o)-68.11 E -.15(ve)-.15 G 2.5(rS).15
G(SL\) instead of smtp)-2.5 E 67(ua)214 156 S(llo)-67 E 2.5(wu)-.25 G
(nquali\214ed addresses \(.cf\))-2.5 E 64.78(Ad)214 168 S(isable A)
-64.78 E(UTH \(o)-.55 E -.15(ve)-.15 G(rrides 'a' modi\214er\)).15 E
65.33(Cd)214 180 S(on')-65.33 E 2.5(tp)-.18 G
(erform hostname canoni\214cation)-2.5 E 65.89(Ed)214 192 S(isallo)
-65.89 E 2.5(wE)-.25 G(TRN \(see RFC 2476\))-2.5 E 64.78(Oo)214 204 S
(ptional; if opening the sock)-64.78 E(et f)-.1 E(ails ignore it)-.1 E
66.44(Sd)214 216 S(on')-66.44 E 2.5(to)-.18 G -.25(ff)-2.5 G(er ST).25 E
(AR)-.93 E(TTLS)-.6 E 2.412(That is, one w)174 232.2 R 2.413
(ay to specify a message submission agent \(MSA\) that al)-.1 F -.1(wa)
-.1 G(ys).1 E(requires A)174 244.2 Q(UTH is:)-.55 E 2.5(OD)214 260.4 S
(aemonPortOptions=Name=MSA, Port=587, M=Ea)-2.5 E .244
(The modi\214ers that are mark)174 276.6 R .244(ed with "\(.cf\)" ha)-.1
F .544 -.15(ve o)-.2 H .244(nly ef).15 F .244
(fect in the standard con\214g-)-.25 F .16(uration \214le, in which the)
174 288.6 R 2.66(ya)-.15 G .16(re a)-2.66 F -.25(va)-.2 G .16
(ilable via).25 F F0(${daemon_\215ags})2.66 E F1 5.16(.N)C .16
(otice: Do)-5.16 F F0(not)2.66 E F1(use)2.66 E .461(the `)174 300.6 R
(`a')-.74 E 2.961('m)-.74 G .461(odi\214er on a public accessible MT)
-2.961 F 2.961(A! It)-.93 F .46(should only be used for a MSA)2.961 F
2.553(that is accessed by authorized users for initial mail submission.)
174 312.6 R 2.553(Users must)7.553 F 1.141
(authenticate to use a MSA which has this option turned on.)174 324.6 R
1.14(The \215ags `)6.14 F(`c')-.74 E 3.64('a)-.74 G(nd)-3.64 E -.74(``)
174 336.6 S(C').74 E 3.785('c)-.74 G 1.285(an change the def)-3.785 F
1.286(ault for hostname canoni\214cation in the)-.1 F/F2 10
/Times-Italic@0 SF(sendmail.cf)3.786 E F1(\214le.)3.786 E .765
(See the rele)174 348.6 R -.25(va)-.25 G .765(nt documentation for).25 F
/F3 9/Times-Roman@0 SF(FEA)3.265 E(TURE\(nocanonify\))-.999 E F1 5.765
(.T)C .765(he modi\214er `)-5.765 F -1.95(`f ')-.74 F 3.264('d)-.74 G
(is-)-3.264 E(allo)174 360.6 Q .794(ws addresses of the form)-.25 F F0
(user@host)3.294 E F1 .795(unless the)3.295 F 3.295(ya)-.15 G .795
(re submitted directly)-3.295 F 5.795(.T)-.65 G(he)-5.795 E 2.127
(\215ag `)174 372.6 R(`u')-.74 E 4.627('a)-.74 G(llo)-4.627 E 2.127
(ws unquali\214ed sender addresses, i.e., those without @host.)-.25 F
-.74(``)7.127 G(b').74 E(')-.74 E 2.791
(forces sendmail to bind to the interf)174 384.6 R 2.791
(ace through which the e-mail has been)-.1 F(recei)174 396.6 Q -.15(ve)
-.25 G 4.369(df).15 G 1.869(or the outgoing connection.)-4.369 F F0 -1.2
(WA)6.869 G(RNING:)1.2 E F1 1.869(Use `)4.369 F(`b')-.74 E 4.369('o)-.74
G 1.869(nly if outgoing)-4.369 F .517
(mail can be routed through the incoming connection')174 408.6 R 3.017
(si)-.55 G(nterf)-3.017 E .518(ace to its destination.)-.1 F .119(No at\
tempt is made to catch problems due to a miscon\214guration of this par\
ameter)174 420.6 R(,)-.4 E 1.177
(use it only for virtual hosting where each virtual interf)174 432.6 R
1.177(ace can connect to e)-.1 F -.15(ve)-.25 G(ry).15 E 2.002
(possible location.)174 444.6 R 2.001(This will also o)7.001 F -.15(ve)
-.15 G 2.001(rride possible settings via).15 F F0(ClientP)4.501 E
(ortOp-)-.2 E(tions.)174 456.6 Q F1(Note,)5.248 E F2(sendmail)2.748 E F1
.248(will listen on a ne)2.748 F 2.749(ws)-.25 G(ock)-2.749 E .249
(et for each occurrence of the)-.1 F F0(Dae-)2.749 E(monP)174 468.6 Q
(ortOptions)-.2 E F1 .838(option in a con\214guration \214le.)3.338 F
.838(The modi\214er `)5.838 F(`O')-.74 E 3.338('c)-.74 G .838
(auses send-)-3.338 F 1.417(mail to ignore a sock)174 480.6 R 1.417
(et if it can')-.1 F 3.917(tb)-.18 G 3.917(eo)-3.917 G 3.917
(pened. This)-3.917 F 1.418(applies to f)3.918 F 1.418(ailures from the)
-.1 F(sock)174 492.6 Q(et\(2\) and bind\(2\) calls.)-.1 E(Def)102 508.8
Q 2.95(aultAuthInfo [no)-.1 F .181
(short name] Filename that contains def)2.681 F .181
(ault authentication information for out-)-.1 F 1.737(going connections\
. This \214le must contain the user id, the authorization id, the)174
520.8 R(passw)174 532.8 Q 1.562(ord \(plain te)-.1 F 1.561
(xt\), the realm and the list of mechanisms to use on separate)-.15 F
.287(lines and must be readable by root \(or the trusted user\) only)174
544.8 R 5.288(.I)-.65 G 2.788(fn)-5.288 G 2.788(or)-2.788 G .288
(ealm is speci-)-2.788 F(\214ed,)174 556.8 Q F0($j)3.705 E F1 1.205
(is used.)3.705 F 1.205(If no mechanisms are speci\214ed, the list gi)
6.205 F -.15(ve)-.25 G 3.704(nb).15 G(y)-3.704 E F0 -.5(Au)3.704 G
(thMecha-).5 E(nisms)174 568.8 Q F1 1.371(is used.)3.871 F 1.372
(Notice: this option is deprecated and will be remo)6.371 F -.15(ve)-.15
G 3.872(di).15 G 3.872(nf)-3.872 G(uture)-3.872 E -.15(ve)174 580.8 S
3.411(rsions. Moreo).15 F -.15(ve)-.15 G 1.711 -.4(r, i).15 H 3.411(td)
.4 G(oesn')-3.411 E 3.411(tw)-.18 G .911(ork for the MSP since it can')
-3.511 F 3.41(tr)-.18 G .91(ead the \214le \(the)-3.41 F .014
(\214le must not be group/w)174 592.8 R .014(orld-readable otherwise)-.1
F F2(sendmail)2.514 E F1 .014(will complain\).)2.514 F .014(Use the)
5.014 F 1.2(authinfo ruleset instead which pro)174 604.8 R 1.2
(vides more control o)-.15 F -.15(ve)-.15 G 3.7(rt).15 G 1.2
(he usage of the data)-3.7 F(an)174 616.8 Q(yw)-.15 E(ay)-.1 E(.)-.65 E
(Def)102 633 Q(aultCharSet=)-.1 E F2 -.15(ch)C(ar).15 E(set)-.1 E F1 .16
([no short name] When a message that has 8-bit characters b)174 645 R
.161(ut is not in MIME for)-.2 F(-)-.2 E .495(mat is con)174 657 R -.15
(ve)-.4 G .495
(rted to MIME \(see the EightBitMode option\) a character set must be)
.15 F .487(included in the Content-T)174 669 R .487(ype: header)-.8 F
5.487(.T)-.55 G .488(his character set is normally set from the)-5.487 F
.133(Charset= \214eld of the mailer descriptor)174 681 R 5.133(.I)-.55 G
2.633(ft)-5.133 G .133(hat is not set, the v)-2.633 F .133
(alue of this option is)-.25 F 2.5(used. If)174 693 R
(this option is not set, the v)2.5 E(alue \231unkno)-.25 E
(wn-8bit\232 is used.)-.25 E(DataFileBuf)102 709.2 Q(ferSize=)-.25 E F2
(thr)A(eshold)-.37 E F1 .011([no short name] Set the)174 721.2 R F2(thr)
2.511 E(eshold)-.37 E F1 2.511(,i)C 2.512(nb)-2.511 G .012
(ytes, before a memory-based queue data \214le)-2.512 F 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-68 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF
(becomes disk-based.)174 96 Q(The def)5 E(ault is 4096 bytes.)-.1 E
(DeadLetterDrop=)102 112.2 Q/F2 10/Times-Italic@0 SF(\214le)A F1 .535([\
no short name] De\214nes the location of the system-wide dead.letter \
\214le, formerly)174 124.2 R .743(hardcoded to /usr/tmp/dead.letter)174
136.2 R 5.743(.I)-.55 G 3.243(ft)-5.743 G .744
(his option is not set \(the def)-3.243 F .744(ault\), sendmail)-.1 F
1.465(will not attempt to sa)174 148.2 R 1.764 -.15(ve t)-.2 H 3.964
(oas).15 G 1.464(ystem-wide dead.letter \214le in the e)-3.964 F -.15
(ve)-.25 G 1.464(nt it cannot).15 F .575
(bounce the mail to the user or postmaster)174 160.2 R 5.575(.I)-.55 G
.575(nstead, it will rename the qf \214le as it)-5.575 F
(has in the past when the dead.letter \214le could not be opened.)174
172.2 Q(Def)102 188.4 Q(aultUser=)-.1 E F2(user:gr)A(oup)-.45 E F1 .014
([u] Set the def)174 200.4 R .014(ault userid for mailers to)-.1 F F2
(user:gr)2.513 E(oup)-.45 E F1 5.013(.I)C(f)-5.013 E F2(gr)2.513 E(oup)
-.45 E F1 .013(is omitted and)2.513 F F2(user)2.513 E F1(is)2.513 E
4.306(au)174 212.4 S 1.807
(ser name \(as opposed to a numeric user id\) the def)-4.306 F 1.807
(ault group listed in the)-.1 F 1.153
(/etc/passwd \214le for that user is used as the def)174 224.4 R 1.153
(ault group.)-.1 F(Both)6.153 E F2(user)3.653 E F1(and)3.652 E F2(gr)
3.652 E(oup)-.45 E F1 1.152(may be numeric.)174 236.4 R 1.152
(Mailers without the)6.152 F F2(S)3.652 E F1 1.152
(\215ag in the mailer de\214nition will run as)3.652 F .142(this user)
174 250.4 R 5.142(.D)-.55 G(ef)-5.142 E .142(aults to 1:1.)-.1 F .142
(The v)5.142 F .142(alue can also be gi)-.25 F -.15(ve)-.25 G 2.642(na)
.15 G 2.642(sas)-2.642 G .142(ymbolic user name.)-2.642 F/F3 7
/Times-Roman@0 SF(19)-4 I F1(DelayLA=)102 266.6 Q F2(LA)A F1 .996
([no short name] When the system load a)17.48 F -.15(ve)-.2 G .996
(rage e).15 F(xceeds)-.15 E F2(LA)3.496 E F1(,)A F2(sendmail)3.496 E F1
.996(will sleep)3.496 F
(for one second on most SMTP commands and before accepting connections.)
174 278.6 Q(Deli)102 294.8 Q -.15(ve)-.25 G(rByMin=).15 E F2(time)A F1
.203([0] Set minimum time for Deli)174 306.8 R -.15(ve)-.25 G 2.702(rB)
.15 G 2.702(yS)-2.702 G .202(MTP Service Extension \(RFC 2852\).)-2.702
F .202(If 0,)5.202 F .486(no time is listed, if less than 0, the e)174
318.8 R .487(xtension is not of)-.15 F .487
(fered, if greater than 0, it is)-.25 F
(listed as minimum time for the EHLO k)174 330.8 Q -.15(ey)-.1 G -.1(wo)
.15 G(rd DELIVERBY).1 E(.)-1.29 E(Deli)102 347 Q -.15(ve)-.25 G(ryMode=)
.15 E F2(x)A F1([d] Deli)4 E -.15(ve)-.25 G 2.5(ri).15 G 2.5(nm)-2.5 G
(ode)-2.5 E F2(x)2.5 E F1 5(.L)C -2.25 -.15(eg a)-5 H 2.5(lm).15 G
(odes are:)-2.5 E 17.22(iD)214 363.2 S(eli)-17.22 E -.15(ve)-.25 G 2.5
(ri).15 G(nteracti)-2.5 E -.15(ve)-.25 G(ly \(synchronously\)).15 E 15
(bD)214 375.2 S(eli)-15 E -.15(ve)-.25 G 2.5(ri).15 G 2.5(nb)-2.5 G
(ackground \(asynchronously\))-2.5 E 15(qJ)214 387.2 S
(ust queue the message \(deli)-15 E -.15(ve)-.25 G 2.5(rd).15 G
(uring queue run\))-2.5 E 15(dD)214 399.2 S(efer deli)-15 E -.15(ve)-.25
G(ry and all map lookups \(deli).15 E -.15(ve)-.25 G 2.5(rd).15 G
(uring queue run\))-2.5 E(Def)174 415.4 Q .712(aults to `)-.1 F(`b')-.74
E 3.212('i)-.74 G 3.212(fn)-3.212 G 3.211(oo)-3.212 G .711
(ption is speci\214ed, `)-3.211 F(`i')-.74 E 3.211('i)-.74 G 3.211(fi)
-3.211 G 3.211(ti)-3.211 G 3.211(ss)-3.211 G .711(peci\214ed b)-3.211 F
.711(ut gi)-.2 F -.15(ve)-.25 G 3.211(nn).15 G 3.211(oa)-3.211 G -.18
(rg)-3.211 G(u-).18 E .094(ment \(i.e., `)174 427.4 R(`Od')-.74 E 2.594
('i)-.74 G 2.594(se)-2.594 G(qui)-2.594 E -.25(va)-.25 G .094(lent to `)
.25 F(`Odi')-.74 E 2.594('\). The)-.74 F F0<ad76>2.594 E F1 .094
(command line \215ag sets this to)2.594 F F0(i)2.594 E F1(.)A 1.527
(Note: for internal reasons, `)174 439.4 R(`i')-.74 E 4.027('d)-.74 G
1.527(oes not w)-4.027 F 1.526(ork if a milter is enabled which can)-.1
F(reject or delete recipients.)174 451.4 Q
(In that case the mode will be changed to `)5 E(`b')-.74 E('.)-.74 E
(DialDelay=)102 467.6 Q F2(sleeptime)A F1 .798
([no short name] Dial-on-demand netw)174 479.6 R .798
(ork connections can see timeouts if a con-)-.1 F .665
(nection is opened before the call is set up.)174 491.6 R .665
(If this is set to an interv)5.665 F .665(al and a con-)-.25 F .742
(nection times out on the \214rst connection being attempted)174 503.6 R
F2(sendmail)3.243 E F1 .743(will sleep for)3.243 F .31
(this amount of time and try ag)174 515.6 R 2.81(ain. This)-.05 F .31
(should gi)2.81 F .61 -.15(ve y)-.25 H .31(our system time to establish)
.15 F 1.542(the connection to your service pro)174 527.6 R(vider)-.15 E
6.543(.U)-.55 G 1.543(nits def)-6.543 F 1.543
(ault to seconds, so \231DialDe-)-.1 F 1.799(lay=5\232 uses a \214v)174
539.6 R 4.299(es)-.15 G 1.799(econd delay)-4.299 F 6.799(.D)-.65 G(ef)
-6.799 E 1.798(aults to zero \(no retry\).)-.1 F 1.798(This delay only)
6.798 F(applies to mailers which ha)174 551.6 Q .3 -.15(ve t)-.2 H
(he Z \215ag set.).15 E(DirectSubmissionModi\214ers=)102 567.8 Q F2
(modi\214er)A(s)-.1 E F1(De\214nes)174 579.8 Q F0(${daemon_\215ags})
5.083 E F1 2.583(for direct \(command line\) submissions.)5.083 F 2.584
(If not set,)7.584 F F0(${daemon_\215ags})174 591.8 Q F1 1.417
(is either "CC f" if the option)3.917 F F0<ad47>3.916 E F1 1.416
(is used or "c u" otherwise.)3.916 F
(Note that only the the "CC", "c", "f", and "u" \215ags are check)174
603.8 Q(ed.)-.1 E(DontBlameSendmail=)102 620 Q F2(option,option,...)A F1
.064([no short name] In order to a)174 632 R -.2(vo)-.2 G .065
(id possible cracking attempts caused by w).2 F .065(orld- and)-.1 F
.255(group-writable \214les and directories,)174 644 R F2(sendmail)2.755
E F1 .254(does paranoid checking when open-)2.754 F .297
(ing most of its support \214les.)174 656 R .298
(If for some reason you absolutely must run with, for)5.297 F -.15(ex)
174 668 S .177(ample, a group-writable).15 F F2(/etc)2.677 E F1
(directory)2.677 E 2.677(,t)-.65 G .177(hen you will ha)-2.677 F .477
-.15(ve t)-.2 H 2.677(ot).15 G .177(urn of)-2.677 F 2.677(ft)-.25 G .176
(his check-)-2.677 F .794
(ing \(at the cost of making your system more vulnerable to attack\).)
174 680 R .794(The possible)5.794 F .32 LW 76 689.6 72 689.6 DL 80 689.6
76 689.6 DL 84 689.6 80 689.6 DL 88 689.6 84 689.6 DL 92 689.6 88 689.6
DL 96 689.6 92 689.6 DL 100 689.6 96 689.6 DL 104 689.6 100 689.6 DL 108
689.6 104 689.6 DL 112 689.6 108 689.6 DL 116 689.6 112 689.6 DL 120
689.6 116 689.6 DL 124 689.6 120 689.6 DL 128 689.6 124 689.6 DL 132
689.6 128 689.6 DL 136 689.6 132 689.6 DL 140 689.6 136 689.6 DL 144
689.6 140 689.6 DL 148 689.6 144 689.6 DL 152 689.6 148 689.6 DL 156
689.6 152 689.6 DL 160 689.6 156 689.6 DL 164 689.6 160 689.6 DL 168
689.6 164 689.6 DL 172 689.6 168 689.6 DL 176 689.6 172 689.6 DL 180
689.6 176 689.6 DL 184 689.6 180 689.6 DL 188 689.6 184 689.6 DL 192
689.6 188 689.6 DL 196 689.6 192 689.6 DL 200 689.6 196 689.6 DL 204
689.6 200 689.6 DL 208 689.6 204 689.6 DL 212 689.6 208 689.6 DL 216
689.6 212 689.6 DL/F4 5/Times-Roman@0 SF(19)93.6 700 Q/F5 8
/Times-Roman@0 SF(The old)3.2 I/F6 8/Times-Bold@0 SF(g)2 E F5
(option has been combined into the)2 E F6(DefaultUser)2 E F5(option.)2 E
0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-69)195.86 E/F1 10/Times-Roman@0 SF(ar)174 96 Q 1.395(guments ha)
-.18 F 1.695 -.15(ve b)-.2 H 1.395(een described earlier).15 F 6.395(.T)
-.55 G 1.394(he details of these \215ags are described)-6.395 F(abo)174
108 Q -.15(ve)-.15 G(.).15 E F0(Use of this option is not r)5 E
(ecommended.)-.18 E F1(DontExpandCnames)102 124.2 Q .559([no short name\
] The standards say that all host addresses used in a mail message)174
136.2 R 1.408(must be fully canonical.)174 148.2 R -.15(Fo)6.407 G 3.907
(re).15 G 1.407(xample, if your host is named \231Cruft.F)-4.057 F
(oo.ORG\232)-.15 E 1.462(and also has an alias of \231FTP)174 160.2 R
(.F)-1.11 E 1.462(oo.ORG\232, the former name must be used at all)-.15 F
2.631(times. This)174 172.2 R .131
(is enforced during host name canoni\214cation \($[ ... $] lookups\).)
2.631 F .13(If this)5.13 F .661(option is set, the protocols are ignore\
d and the \231wrong\232 thing is done.)174 184.2 R(Ho)5.662 E(we)-.25 E
-.15(ve)-.25 G -.4(r,).15 G .872(the IETF is mo)174 196.2 R .872
(ving to)-.15 F -.1(wa)-.25 G .872
(rd changing this standard, so the beha).1 F .871(vior may become)-.2 F
3.009(acceptable. Please)174 208.2 R .509(note that hosts do)3.009 F
.509(wnstream may still re)-.25 F .509(write the address to be)-.25 F
(the true canonical name ho)174 220.2 Q(we)-.25 E -.15(ve)-.25 G -.55
(r.).15 G 6.17(DontInitGroups [no)102 236.4 R .25(short name] If set,)
2.75 F/F2 10/Times-Italic@0 SF(sendmail)2.75 E F1 .25(will a)2.75 F -.2
(vo)-.2 G .25(id using the initgroups\(3\) call.).2 F .25(If you are)
5.25 F .583(running NIS, this causes a sequential scan of the groups.by\
name map, which can)174 248.4 R .436(cause your NIS serv)174 260.4 R
.436(er to be badly o)-.15 F -.15(ve)-.15 G .435(rloaded in a lar).15 F
.435(ge domain.)-.18 F .435(The cost of this)5.435 F .697(is that the o\
nly group found for users will be their primary group \(the one in the)
174 272.4 R(passw)174 284.4 Q 1.189(ord \214le\), which will mak)-.1 F
3.689<658c>-.1 G 1.189(le access permissions some)-3.689 F 1.189
(what more restric-)-.25 F(ti)174 296.4 Q -.15(ve)-.25 G 5(.H).15 G
(as no ef)-5 E(fect on systems that don')-.25 E 2.5(th)-.18 G -2.25 -.2
(av e)-2.5 H(group lists.)2.7 E(DontProbeInterf)102 312.6 Q(aces)-.1 E
1.712([no short name])174 324.6 R F2(Sendmail)4.212 E F1 1.713
(normally \214nds the names of all interf)4.212 F 1.713(aces acti)-.1 F
2.013 -.15(ve o)-.25 H(n).15 E 1.103
(your machine when it starts up and adds their name to the)174 336.6 R
F0($=w)3.602 E F1 1.102(class of kno)3.602 F(wn)-.25 E 1.835
(host aliases.)174 348.6 R 1.835(If you ha)6.835 F 2.136 -.15(ve a l)-.2
H(ar).15 E 1.836(ge number of virtual interf)-.18 F 1.836
(aces or if your DNS)-.1 F(in)174 360.6 Q -.15(ve)-.4 G .959
(rse lookups are slo).15 F 3.459(wt)-.25 G .959
(his can be time consuming.)-3.459 F .958(This option turns of)5.958 F
3.458(ft)-.25 G(hat)-3.458 E 2.973(probing. Ho)174 372.6 R(we)-.25 E
-.15(ve)-.25 G 1.273 -.4(r, y).15 H .474
(ou will need to be certain to include all v).4 F .474
(ariant names in the)-.25 F F0($=w)174 384.6 Q F1 1.868
(class by some other mechanism.)4.369 F 1.868(If set to)6.868 F F0
(loopback)4.368 E F1 4.368(,l)C 1.868(oopback interf)-4.368 F(aces)-.1 E
(\(e.g., lo0\) will not be probed.)174 396.6 Q -1.61
(DontPruneRoutes [R])102 412.8 R(Normally)3.905 E(,)-.65 E F2(sendmail)
3.905 E F1 1.405(tries to eliminate an)3.905 F 3.905(yu)-.15 G 1.405
(nnecessary e)-3.905 F 1.405(xplicit routes when)-.15 F .155
(sending an error message \(as discussed in RFC 1123 \247 5.2.6\).)174
424.8 R -.15(Fo)5.154 G 2.654(re).15 G .154(xample, when)-2.804 F
(sending an error message to)174 436.8 Q(<@kno)214 453 Q(wn1,@kno)-.25 E
(wn2,@kno)-.25 E(wn3:user@unkno)-.25 E(wn>)-.25 E F2(sendmail)174 469.2
Q F1 1.155(will strip of)3.655 F 3.655(ft)-.25 G 1.155(he \231@kno)
-3.655 F(wn1,@kno)-.25 E 1.155(wn2\232 in order to mak)-.25 F 3.655(et)
-.1 G 1.155(he route as)-3.655 F .813(direct as possible.)174 481.2 R
(Ho)5.813 E(we)-.25 E -.15(ve)-.25 G 1.613 -.4(r, i).15 H 3.313(ft).4 G
(he)-3.313 E F0(R)3.313 E F1 .812
(option is set, this will be disabled, and the)3.313 F .009
(mail will be sent to the \214rst address in the route, e)174 493.2 R
-.15(ve)-.25 G 2.51(ni).15 G 2.51(fl)-2.51 G .01(ater addresses are kno)
-2.51 F(wn.)-.25 E(This may be useful if you are caught behind a \214re)
174 505.2 Q -.1(wa)-.25 G(ll.).1 E(DoubleBounceAddress=)102 521.4 Q F2
(err)A(or)-.45 E(-addr)-.2 E(ess)-.37 E F1 .504([no short name] If an e\
rror occurs when sending an error message, send the error)174 533.4 R
1.999(report \(termed a \231double bounce\232 because it is an error \
\231bounce\232 that occurs)174 545.4 R .053(when trying to send another\
 error \231bounce\232\) to the indicated address.)174 557.4 R .053
(The address)5.053 F .474(is macro e)174 569.4 R .474
(xpanded at the time of deli)-.15 F -.15(ve)-.25 G(ry).15 E 5.474(.I)
-.65 G 2.974(fn)-5.474 G .474(ot set, def)-2.974 F .475
(aults to \231postmaster\232.)-.1 F(If)5.475 E
(set to an empty string, double bounces are dropped.)174 581.4 Q
(EightBitMode=)102 597.6 Q F2(action)A F1 1.956
([8] Set handling of eight-bit data.)174 609.6 R 1.955(There are tw)
6.955 F 4.455(ok)-.1 G 1.955(inds of eight-bit data: that)-4.455 F 3.334
(declared as such using the)174 621.6 R F0(BOD)5.834 E(Y=8BITMIME)-.4 E
F1 3.335(ESMTP declaration or the)5.835 F F0(\255B8BITMIME)174 633.6 Q
F1 .948
(command line \215ag, and undeclared 8-bit data, that is, input that)
3.449 F 1.18(just happens to be eight bits.)174 645.6 R 1.18
(There are three basic operations that can happen:)6.18 F .996
(undeclared 8-bit data can be automatically con)174 657.6 R -.15(ve)-.4
G .995(rted to 8BITMIME, undeclared).15 F .887
(8-bit data can be passed as-is without con)174 669.6 R -.15(ve)-.4 G
.887(rsion to MIME \(`).15 F .887(`just send 8')-.74 F .887('\), and)
-.74 F 1.794(declared 8-bit data can be con)174 681.6 R -.15(ve)-.4 G
1.794(rted to 7-bits for transmission to a non-8BIT).15 F(-)-.92 E
(MIME mailer)174 693.6 Q 5(.T)-.55 G(he possible)-5 E F2(action)2.5 E F1
2.5(sa)C(re:)-2.5 E 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-70 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF 11.11(sR)
219 96 S(eject undeclared 8-bit data \(`)-11.11 E(`strict')-.74 E('\))
-.74 E 7.22(mC)219 108 S(on)-7.22 E -.15(ve)-.4 G
(rt undeclared 8-bit data to MIME \(`).15 E(`mime')-.74 E('\))-.74 E 10
(pP)219 120 S(ass undeclared 8-bit data \(`)-10.15 E(`pass')-.74 E('\))
-.74 E 2.227(In all cases properly declared 8BITMIME data will be con)
174 136.2 R -.15(ve)-.4 G 2.228(rted to 7BIT as).15 F 2.92
(needed. Note:)174 148.2 R .42(if an automatic con)2.92 F -.15(ve)-.4 G
.42(rsion is performed, a header with the follo).15 F(w-)-.25 E
(ing format will be added:)174 160.2 Q(X-MIME-Autocon)214 176.4 Q -.15
(ve)-.4 G(rted: from OLD to NEW by $j id $i).15 E 2.027
(where OLD and NEW describe the original format and the con)174 192.6 R
-.15(ve)-.4 G 2.028(rted format,).15 F(respecti)174 204.6 Q -.15(ve)-.25
G(ly).15 E(.)-.65 E(ErrorHeader=)102 220.8 Q/F2 10/Times-Italic@0 SF
(\214le-or)A(-messa)-.2 E -.1(ge)-.1 G F1 .486
([E] Prepend error messages with the indicated message.)174 232.8 R .486
(If it be)5.486 F .486(gins with a slash,)-.15 F .246(it is assumed to \
be the pathname of a \214le containing a message \(this is the recom-)
174 244.8 R .86(mended setting\).)174 256.8 R .86
(Otherwise, it is a literal message.)5.86 F .86
(The error \214le might contain)5.86 F 1.116(the name, email address, a\
nd/or phone number of a local postmaster who could)174 268.8 R(pro)174
280.8 Q .827(vide assistance to end users.)-.15 F .827
(If the option is missing or null, or if it names a)5.827 F
(\214le which does not e)174 292.8 Q
(xist or which is not readable, no message is printed.)-.15 E
(ErrorMode=)102 309 Q F2(x)A F1([e] Dispose of errors using mode)17.49 E
F2(x)2.5 E F1 5(.T)C(he v)-5 E(alues for)-.25 E F2(x)2.5 E F1(are:)2.5 E
15(pP)214 325.2 S(rint error messages \(def)-15 E(ault\))-.1 E 15(qN)214
337.2 S 2.5(om)-15 G(essages, just gi)-2.5 E .3 -.15(ve ex)-.25 H
(it status).15 E 12.22(mM)214 349.2 S(ail back errors)-12.22 E 12.78(wW)
214 361.2 S(rite back errors \(mail if user not logged in\))-12.78 E
15.56(eM)214 373.2 S(ail back errors \(when applicable\) and gi)-15.56 E
.3 -.15(ve z)-.25 H(ero e).15 E(xit stat al)-.15 E -.1(wa)-.1 G(ys).1 E
1.314(Note that the last mode, \231e\232, is for Berknet error processi\
ng and should not be)174 389.4 R 1.324(used in normal circumstances.)174
401.4 R 1.323(Note, too, that mode \231q\232, only applies to errors)
6.324 F(recognized before sendmail forks for background deli)174 413.4 Q
-.15(ve)-.25 G(ry).15 E(.)-.65 E -.15(Fa)102 429.6 S(llbackMXhost=).15 E
F2(fallbac)A(khost)-.2 E F1 .796([V] If speci\214ed, the)174 441.6 R F2
(fallbac)3.296 E(khost)-.2 E F1 .796(acts lik)3.296 F 3.296(eav)-.1 G
.797(ery lo)-3.446 F 3.297(wp)-.25 G .797(riority MX on e)-3.297 F -.15
(ve)-.25 G .797(ry host.).15 F 1.538(MX records will be look)174 453.6 R
1.537(ed up for this host, unless the name is surrounded by)-.1 F .016
(square brack)174 465.6 R 2.517(ets. This)-.1 F .017
(is intended to be used by sites with poor netw)2.517 F .017
(ork connecti)-.1 F(v-)-.25 E(ity)174 477.6 Q 6.706(.M)-.65 G 1.706
(essages which are undeli)-6.706 F -.15(ve)-.25 G 1.706
(rable due to temporary address f).15 F 1.706(ailures \(e.g.,)-.1 F
(DNS f)174 489.6 Q(ailure\) also go to the F)-.1 E(allbackMXhost.)-.15 E
-.15(Fa)102 505.8 S(llBackSmartHost=).15 E F2(hostname)A F1 1.655
(If speci\214ed, the)174 517.8 R F2 -.75(Fa)4.156 G(llBac).75 E
(kSmartHost)-.2 E F1 1.656(will be used in a last-ditch ef)4.156 F 1.656
(fort for each)-.25 F 3.212(host. This)174 529.8 R .712
(is intended to be used by sites with "f)3.212 F(ak)-.1 E 3.212(ei)-.1 G
.712(nternal DNS", e.g., a com-)-3.212 F(pan)174 541.8 Q 3.19(yw)-.15 G
.69(hose DNS accurately re\215ects the w)-3.19 F .69
(orld inside that compan)-.1 F(y')-.15 E 3.19(sd)-.55 G .69(omain b)
-3.19 F(ut)-.2 E(not outside.)174 553.8 Q -.15(Fa)102 570 S 34.08
(stSplit [no).15 F 1.572(short name] If set to a v)4.072 F 1.572
(alue greater than zero \(the def)-.25 F 1.572(ault is one\), it sup-)
-.1 F .977(presses the MX lookups on addresses when the)174 582 R 3.477
(ya)-.15 G .977(re initially sorted, i.e., for the)-3.477 F 1.031
(\214rst deli)174 594 R -.15(ve)-.25 G 1.031(ry attempt.).15 F 1.031
(This usually results in f)6.031 F 1.031(aster en)-.1 F -.15(ve)-.4 G
1.031(lope splitting unless the).15 F .423(MX records are readily a)174
606 R -.25(va)-.2 G .423(ilable in a local DNS cache.).25 F 2.023 -.8
(To e)5.423 H .423(nforce initial sorting).8 F .338
(based on MX records set)174 618 R F0 -.25(Fa)2.838 G(stSplit).25 E F1
.338(to zero.)2.838 F .338(If the mail is submitted directly from)5.338
F 1.078(the command line, then the v)174 630 R 1.079
(alue also limits the number of processes to deli)-.25 F -.15(ve)-.25 G
(r).15 E .294(the en)174 642 R -.15(ve)-.4 G .294(lopes; if more en).15
F -.15(ve)-.4 G .294(lopes are created the).15 F 2.794(ya)-.15 G .293
(re only queued up and must be)-2.794 F(tak)174 654 Q .691
(en care of by a queue run.)-.1 F .691(Since the def)5.691 F .692
(ault submission method is via SMTP)-.1 F 1.284(\(either from a MU)174
666 R 3.784(Ao)-.4 G 3.784(rv)-3.784 G 1.284(ia the MSP\), the v)-3.784
F 1.284(alue of)-.25 F F0 -.25(Fa)3.784 G(stSplit).25 E F1 1.284
(is seldom used to)3.784 F(limit the number of processes to deli)174 678
Q -.15(ve)-.25 G 2.5(rt).15 G(he en)-2.5 E -.15(ve)-.4 G(lopes.).15 E
-.15(Fo)102 694.2 S 16.88(rkEachJob [Y]).15 F(If set, deli)2.5 E -.15
(ve)-.25 G 2.5(re).15 G
(ach job that is run from the queue in a separate process.)-2.5 E -.15
(Fo)102 710.4 S(rw).15 E(ardP)-.1 E(ath=)-.15 E F2(path)A F1 4.675
([J] Set the path for searching for users' .forw)174 722.4 R 4.675
(ard \214les.)-.1 F 4.675(The def)9.675 F 4.675(ault is)-.1 F 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-71)195.86 E/F1 10/Times-Roman@0 SF(\231$z/.forw)174 96 Q 3.231
(ard\232. Some)-.1 F .731
(sites that use the automounter may prefer to change this to)3.231 F
(\231/v)174 108 Q(ar/forw)-.25 E 1.696(ard/$u\232 to search a \214le wi\
th the same name as the user in a system)-.1 F(directory)174 120 Q 5.488
(.I)-.65 G 2.988(tc)-5.488 G .488
(an also be set to a sequence of paths separated by colons;)-2.988 F/F2
10/Times-Italic@0 SF(sendmail)2.987 E F1 .831
(stops at the \214rst \214le it can successfully and safely open.)174
132 R -.15(Fo)5.831 G 3.331(re).15 G .831(xample, \231/v)-3.481 F
(ar/for)-.25 E(-)-.2 E -.1(wa)174 144 S(rd/$u:$z/.forw).1 E .277
(ard\232 will search \214rst in /v)-.1 F(ar/forw)-.25 E(ard/)-.1 E F2
(username)A F1 .276(and then in)2.777 F F2(~user)2.776 E(-)-.2 E(name)
174 156 Q F1(/.forw)A(ard \(b)-.1 E
(ut only if the \214rst \214le does not e)-.2 E(xist\).)-.15 E
(HeloName=)102 172.2 Q F2(name)A F1([no short name] Set the name to be \
used for HELO/EHLO \(instead of $j\).)1.38 E(HelpFile=)102 188.4 Q F2
(\214le)A F1 .18([H] Specify the help \214le for SMTP)19.14 F 5.18(.I)
-1.11 G 2.68(fn)-5.18 G 2.68<6f8c>-2.68 G .18
(le name is speci\214ed, "help\214le" is used.)-2.68 F(HoldExpensi)102
204.6 Q 8.54 -.15(ve [)-.25 H 1.394(c] If an outgoing mailer is mark).15
F 1.393(ed as being e)-.1 F(xpensi)-.15 E -.15(ve)-.25 G 3.893(,d).15 G
(on')-3.893 E 3.893(tc)-.18 G 1.393(onnect immedi-)-3.893 F(ately)174
216.6 Q(.)-.65 E(HostsFile=)102 232.8 Q F2(path)A F1 .026([no short nam\
e] The path to the hosts database, normally \231/etc/hosts\232.)10.24 F
.026(This option)5.026 F 1.417(is only consulted when sendmail is canon\
ifying addresses, and then only when)174 244.8 R .783
(\231\214les\232 is in the \231hosts\232 service switch entry)174 256.8
R 5.784(.I)-.65 G 3.284(np)-5.784 G(articular)-3.284 E 3.284(,t)-.4 G
.784(his \214le is)-3.284 F F2(ne)3.284 E(ver)-.15 E F1(used)3.284 E
.202(when looking up host addresses; that is under the control of the s\
ystem)174 268.8 R F2 -.1(ge)2.702 G(thostby-).1 E(name)174 280.8 Q F1
(\(3\) routine.)A(HostStatusDirectory=)102 297 Q F2(path)A F1 .43
([no short name] The location of the long term host status information.)
174 309 R .43(When set,)5.43 F 1.39
(information about the status of hosts \(e.g., host do)174 321 R 1.39
(wn or not accepting connec-)-.25 F .162
(tions\) will be shared between all)174 333 R F2(sendmail)2.663 E F1
.163(processes; normally)2.663 F 2.663(,t)-.65 G .163
(his information is)-2.663 F .123(only held within a single queue run.)
174 345 R .123(This option requires a connection cache of at)5.123 F
.688(least 1 to function.)174 357 R .688(If the option be)5.688 F .688
(gins with a leading `/', it is an absolute path-)-.15 F .617
(name; otherwise, it is relati)174 369 R .917 -.15(ve t)-.25 H 3.117(ot)
.15 G .617(he mail queue directory)-3.117 F 5.617(.A)-.65 G .617
(suggested v)-2.5 F .616(alue for)-.25 F .558(sites desiring persistent\
 host status is \231.hoststat\232 \(i.e., a subdirectory of the queue)
174 381 R(directory\).)174 393 Q 24.51(IgnoreDots [i])102 409.2 R 1.172
(Ignore dots in incoming messages.)3.672 F 1.172(This is al)6.172 F -.1
(wa)-.1 G 1.171(ys disabled \(that is, dots are).1 F(al)174 421.2 Q -.1
(wa)-.1 G(ys accepted\) when reading SMTP mail.).1 E(InputMailFilters=)
102 437.4 Q F2(name)A(,name)-.1 E(,...)-.1 E F1 3.621(Ac)174 449.4 S
1.122(omma separated list of \214lters which determines which \214lters\
 \(see the "X \212)-3.621 F 1.768
(Mail Filter \(Milter\) De\214nitions" section\) and the in)174 461.4 R
-.2(vo)-.4 G 1.768(cation sequence are con-).2 F .367
(tacted for incoming SMTP messages.)174 473.4 R .367
(If none are set, no \214lters will be contacted.)5.367 F(LD)102 489.6 Q
(APDef)-.4 E(aultSpec=)-.1 E F2(spec)A F1 2.058
([no short name] Sets a def)174 501.6 R 2.057
(ault map speci\214cation for LD)-.1 F 2.057(AP maps.)-.4 F 2.057(The v)
7.057 F(alue)-.25 E .673(should only contain LD)174 513.6 R .674
(AP speci\214c settings such as \231-h host -p port -d bindDN\232.)-.4 F
.501(The settings will be used for all LD)174 525.6 R .501
(AP maps unless the indi)-.4 F .5(vidual map speci\214ca-)-.25 F 1.5
(tion o)174 537.6 R -.15(ve)-.15 G 1.5(rrides a setting.).15 F 1.5
(This option should be set before an)6.5 F 4(yL)-.15 G -.4(DA)-4 G 4(Pm)
.4 G 1.5(aps are)-4 F(de\214ned.)174 549.6 Q(LogLe)102 565.8 Q -.15(ve)
-.25 G(l=).15 E F2(n)A F1([L] Set the log le)22.88 E -.15(ve)-.25 G 2.5
(lt).15 G(o)-2.5 E F2(n)2.5 E F1 5(.D)C(ef)-5 E(aults to 9.)-.1 E(M)102
582 Q F2 1.666(xv)C(alue)-1.666 E F1 .255([no long v)35.344 F .255
(ersion] Set the macro)-.15 F F2(x)2.755 E F1(to)2.755 E F2(value)2.755
E F1 5.255(.T)C .255(his is intended only for use from the)-5.255 F
(command line.)174 594 Q(The)5 E F0<ad4d>2.5 E F1(\215ag is preferred.)
2.5 E -1.04(MailboxDatabase [no)102 610.2 R 2.967(short name] T)5.467 F
2.967(ype of lookup to \214nd information about local mailbox)-.8 F(es,)
-.15 E(def)174 622.2 Q .145(aults to `)-.1 F(`pw')-.74 E 2.645('w)-.74 G
.145(hich uses)-2.645 F F2 -.1(ge)2.645 G(tpwnam).1 E F1 5.145(.O)C .145
(ther types can be introduced by adding)-5.145 F
(them to the source code, see libsm/mbdb)174 634.2 Q(.c for details.)-.4
E 33.94(UseMSP [no)102 650.4 R .163
(short name] Use as mail submission program, i.e., allo)2.663 F 2.664
(wg)-.25 G .164(roup writable queue)-2.664 F .954(\214les if the group \
is the same as that of a set-group-ID sendmail binary)174 662.4 R 5.954
(.S)-.65 G .954(ee the)-5.954 F(\214le)174 674.4 Q F0(sendmail/SECURITY)
2.5 E F1(in the distrib)2.5 E(ution tarball.)-.2 E 11.17(MatchGECOS [G])
102 690.6 R(Allo)3.333 E 3.333(wf)-.25 G .833
(uzzy matching on the GECOS \214eld.)-3.333 F .834
(If this \215ag is set, and the usual)5.833 F .868(user name lookups f)
174 702.6 R .867(ail \(that is, there is no alias with this name and a)
-.1 F F2 -.1(ge)3.367 G(tpwnam).1 E F1 -.1(fa)174 714.6 S 1.155
(ils\), sequentially search the passw).1 F 1.155
(ord \214le for a matching entry in the GECOS)-.1 F 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-72 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF 3.696
(\214eld. This)174 96 R 1.196(also requires that MA)3.696 F 1.196
(TCHGECOS be turned on during compilation.)-1.11 F
(This option is not recommended.)174 108 Q(MaxAliasRecursion=)102 124.2
Q/F2 10/Times-Italic@0 SF(N)A F1
([no short name] The maximum depth of alias recursion \(def)174 136.2 Q
(ault: 10\).)-.1 E(MaxDaemonChildren=)102 152.4 Q F2(N)A F1 .539
([no short name] If set,)174 164.4 R F2(sendmail)3.039 E F1 .539
(will refuse connections when it has more than)3.039 F F2(N)3.04 E F1
.886(children processing incoming mail or automatic queue runs.)174
176.4 R .885(This does not limit)5.885 F .812
(the number of outgoing connections.)174 188.4 R .812(If the def)5.812 F
(ault)-.1 E F0(Deli)3.313 E -.1(ve)-.1 G(ryMode).1 E F1(\(background\))
3.313 E 3.135(is used, then)174 200.4 R F2(sendmail)5.635 E F1 3.134
(may create an almost unlimited number of children)5.635 F .294
(\(depending on the number of transactions and the relati)174 212.4 R
.594 -.15(ve exe)-.25 H .295(cution times of mail).15 F 1.236
(receiption and mail deli)174 224.4 R -.15(ve)-.25 G 3.736(ry\). If).15
F 1.236(the limit should be enforced, then a)3.736 F F0(Deli)3.735 E -.1
(ve)-.1 G(ry-).1 E(Mode)174 236.4 Q F1 1.483
(other than background must be used.)3.983 F 1.484
(If not set, there is no limit to the)6.483 F
(number of children -- that is, the system load a)174 248.4 Q -.15(ve)
-.2 G(rage controls this.).15 E(MaxHeadersLength=)102 264.6 Q F2(N)A F1
.188([no short name] If set to a v)174 276.6 R .187
(alue greater than zero it speci\214es the maximum length)-.25 F .637
(of the sum of all headers.)174 288.6 R .638(This can be used to pre)
5.637 F -.15(ve)-.25 G .638(nt a denial of service attack.).15 F
(The def)174 300.6 Q(ault is 32K.)-.1 E(MaxHopCount=)102 316.8 Q F2(N)A
F1 1.238([h] The maximum hop count.)174 328.8 R 1.238(Messages that ha)
6.238 F 1.537 -.15(ve b)-.2 H 1.237(een processed more than).15 F F2(N)
3.737 E F1(times are assumed to be in a loop and are rejected.)174 340.8
Q(Def)5 E(aults to 25.)-.1 E(MaxMessageSize=)102 357 Q F2(N)A F1 2.562
([no short name] Specify the maximum message size to be adv)174 369 R
2.563(ertised in the)-.15 F 1.023(ESMTP EHLO response.)174 381 R 1.023
(Messages lar)6.023 F 1.022(ger than this will be rejected.)-.18 F 1.022
(If set to a)6.022 F -.25(va)174 393 S .834
(lue greater than zero, that v).25 F .834
(alue will be listed in the SIZE response, otherwise)-.25 F(SIZE is adv)
174 405 Q(ertised in the ESMTP EHLO response without a parameter)-.15 E
(.)-.55 E(MaxMimeHeaderLength=)102 421.2 Q F2(N[/M])A F1 .343([no short\
 name] Sets the maximum length of certain MIME header \214eld v)174
433.2 R .343(alues to)-.25 F F2(N)174 445.2 Q F1 3.618
(characters. These)3.618 F 1.118
(MIME header \214elds are determined by being a member of)3.618 F .895
(class {checkMIMET)174 457.2 R -.15(ex)-.7 G .895
(tHeaders}, which currently contains only the header Con-).15 F 2.559
(tent-Description. F)174 469.2 R .059
(or some of these headers which tak)-.15 F 2.559(ep)-.1 G .059
(arameters, the maximum)-2.559 F .102
(length of each parameter is set to)174 481.2 R F2(M)2.602 E F1 .102
(if speci\214ed.)2.602 F(If)5.102 E F2(/M)2.602 E F1 .101
(is not speci\214ed, one half of)2.602 F F2(N)174 493.2 Q F1 1.775
(will be used.)4.275 F 1.775(By def)6.775 F 1.775(ault, these v)-.1 F
1.776(alues are 2048 and 1024, respecti)-.25 F -.15(ve)-.25 G(ly).15 E
6.776(.T)-.65 G(o)-7.576 E(allo)174 505.2 Q 2.5(wa)-.25 G .3 -.15(ny l)
-2.5 H(ength, a v).15 E(alue of 0 can be speci\214ed.)-.25 E
(MaxNOOPCommands=)102 521.4 Q F2(N)A F1(Ov)174 533.4 Q 2.104
(erride the def)-.15 F 2.104(ault of)-.1 F F0(MAXNOOPCOMMANDS)4.603 E F1
2.103(for the number of)4.603 F F2(useless)4.603 E F1
(commands, see Section "Measures ag)174 545.4 Q
(ainst Denial of Service Attacks".)-.05 E(MaxQueueChildren=)102 561.6 Q
F2(N)A F1 .304([no short name] When set, this limits the number of conc\
urrent queue runner pro-)174 573.6 R .202(cesses to)174 585.6 R F2(N.)
2.702 E F1 .201
(This helps to control the amount of system resources used when pro-)
5.202 F 1.255(cessing the queue.)174 597.6 R 1.255
(When there are multiple queue groups de\214ned and the total)6.255 F
1.2(number of queue runners for these queue groups w)174 609.6 R 1.2
(ould e)-.1 F(xceed)-.15 E F2(MaxQueueChil-)3.7 E(dr)174 621.6 Q(en)-.37
E F1 .472(then the queue groups will not all run concurrently)2.972 F
2.972(.T)-.65 G .472(hat is, some portion of)-2.972 F .871
(the queue groups will run concurrently such that)174 633.6 R F2
(MaxQueueChildr)3.371 E(en)-.37 E F1 .871(will not be)3.371 F -.15(ex)
174 645.6 S 1.892(ceeded, while the remaining queue groups will be run \
later \(in round robin).15 F 1.3(order\). See also)174 657.6 R F2
(MaxRunner)3.8 E(sP)-.1 E(erQueue)-.8 E F1 1.3(and the section)3.8 F F0
1.3(Queue Gr)3.8 F 1.3(oup Declara-)-.18 F(tion)174 669.6 Q F1 5.756(.N)
C(otice:)-5.756 E F2(sendmail)3.256 E F1 .757(does not count indi)3.256
F .757(vidual queue runners, b)-.25 F .757(ut only sets of)-.2 F 1.451
(processes that act on a w)174 681.6 R 3.951(orkgroup. Hence)-.1 F 1.451
(the actual number of queue runners)3.951 F 1.414(may be lo)174 693.6 R
1.414(wer than the limit imposed by)-.25 F F2(MaxQueueChildr)3.914 E(en)
-.37 E F1 6.414(.T)C 1.414(his discrepanc)-6.414 F(y)-.15 E 1.424
(can be lar)174 705.6 R 1.424(ge if some queue runners ha)-.18 F 1.724
-.15(ve t)-.2 H 3.924(ow).15 G 1.424(ait for a slo)-4.024 F 3.923(ws)
-.25 G(erv)-3.923 E 1.423(er and if short)-.15 F(interv)174 717.6 Q
(als are used.)-.25 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-73)195.86 E/F1 10/Times-Roman@0 SF(MaxQueueRunSize=)102 96 Q/F2
10/Times-Italic@0 SF(N)A F1 .677([no short name] The maximum number of \
jobs that will be processed in a single)174 108 R .502(queue run.)174
120 R .501(If not set, there is no limit on the size.)5.502 F .501
(If you ha)5.501 F .801 -.15(ve ve)-.2 H .501(ry lar).15 F .501
(ge queues)-.18 F .445(or a v)174 132 R .445(ery short queue run interv)
-.15 F .445(al this could be unstable.)-.25 F(Ho)5.445 E(we)-.25 E -.15
(ve)-.25 G 1.245 -.4(r, s).15 H .445(ince the \214rst).4 F F2(N)174 144
Q F1 1.115(jobs in queue directory order are run \(rather than the)3.615
F F2(N)3.615 E F1 1.115(highest priority jobs\))3.615 F .136
(this should be set as high as possible to a)174 156 R -.2(vo)-.2 G .136
(id \231losing\232 jobs that happen to f).2 F .137(all late)-.1 F 2.326
(in the queue directory)174 168 R 7.326(.N)-.65 G 2.326
(ote: this option also restricts the number of entries)-7.326 F 1.442
(printed by)174 180 R F2(mailq)3.942 E F1 6.443(.T)C 1.443(hat is, if)
-6.443 F F2(MaxQueueRunSize)3.943 E F1 1.443(is set to a v)3.943 F(alue)
-.25 E F0(N)3.943 E F1(lar)3.943 E 1.443(ger than)-.18 F
(zero, then only)174 192 Q F0(N)2.5 E F1
(entries are printed per queue group.)2.5 E(MaxRecipientsPerMessage=)102
208.2 Q F2(N)A F1 1.672([no short name] The maximum number of recipient\
s that will be accepted per)174 220.2 R 1.458
(message in an SMTP transaction.)174 232.2 R 1.458
(Note: setting this too lo)6.458 F 3.959(wc)-.25 G 1.459
(an interfere with)-3.959 F .049(sending mail from MU)174 244.2 R .049
(As that use SMTP for initial submission.)-.4 F .048
(If not set, there is)5.048 F
(no limit on the number of recipients per en)174 256.2 Q -.15(ve)-.4 G
(lope.).15 E(MaxRunnersPerQueue=)102 272.4 Q F2(N)A F1 2.003
([no short name] This sets the def)174 284.4 R 2.004
(ault maximum number of queue runners for)-.1 F 1.162(queue groups.)174
296.4 R 1.162(Up to)6.162 F F2(N)3.662 E F1 1.161(queue runners will w)
3.662 F 1.161(ork in parallel on a queue group')-.1 F(s)-.55 E 3.465
(messages. This)174 308.4 R .965
(is useful where the processing of a message in the queue might)3.465 F
.945(delay the processing of subsequent messages. Such a delay may be t\
he result of)174 320.4 R .116(non-erroneous situations such as a lo)174
332.4 R 2.616(wb)-.25 G .116(andwidth connection.)-2.616 F .116
(May be o)5.116 F -.15(ve)-.15 G(rridden).15 E .645
(on a per queue group basis by setting the)174 344.4 R F2(Runner)3.144 E
(s)-.1 E F1 .644(option; see the section)3.144 F F0(Queue)3.144 E(Gr)174
356.4 Q(oup Declaration)-.18 E F1 5(.T)C(he def)-5 E
(ault is 1 when not set.)-.1 E(MeT)102 372.6 Q 40.86(oo [m])-.8 F .367
(Send to me too, e)2.866 F -.15(ve)-.25 G 2.867(ni).15 G 2.867(fIa)
-2.867 G 2.867(mi)-2.867 G 2.867(na)-2.867 G 2.867(na)-2.867 G .367
(lias e)-2.867 F 2.867(xpansion. This)-.15 F .367(option is deprecated)
2.867 F(and will be remo)174 384.6 Q -.15(ve)-.15 G 2.5(df).15 G
(rom a future v)-2.5 E(ersion.)-.15 E 44.5(Milter [no)102 400.8 R .778
(short name] This option has se)3.278 F -.15(ve)-.25 G .777
(ral sub\(sub\)options.).15 F .777(The names of the sub-)5.777 F 1.134
(options are separated by dots.)174 412.8 R 1.135(At the \214rst le)
6.134 F -.15(ve)-.25 G 3.635(lt).15 G 1.135(he follo)-3.635 F 1.135
(wing options are a)-.25 F -.25(va)-.2 G(il-).25 E(able:)174 424.8 Q
(LogLe)214 441 Q -.15(ve)-.25 G 15(lL).15 G(og le)-15 E -.15(ve)-.25 G
2.5(lf).15 G(or input mail \214lter actions, def)-2.5 E(aults to LogLe)
-.1 E -.15(ve)-.25 G(l.).15 E 22.1(macros Speci\214es)214 453 R
(list of macro to transmit to \214lters.)2.5 E(See list belo)267.48 465
Q -.65(w.)-.25 G 2.459(The `)174 481.2 R(`macros')-.74 E 4.959('o)-.74 G
2.458(ption has the follo)-4.959 F 2.458
(wing suboptions which specify the list of)-.25 F
(macro to transmit to milters after a certain e)174 493.2 Q -.15(ve)-.25
G(nt occurred.).15 E 14.88(connect After)214 509.4 R
(session connection start)2.5 E 28.76(helo After)214 521.4 R
(EHLO/HELO command)2.5 E(en)214 533.4 Q 12.5(vfrom After)-.4 F
(MAIL From command)2.5 E(en)214 545.4 Q 16.39(vrcpt After)-.4 F(RCPT T)
2.5 E 2.5(oc)-.8 G(ommand)-2.5 E 29.32(data After)214 557.4 R -.4(DA)2.5
G 1.86 -.93(TA c)-.71 H(ommand.).93 E 31.54(eoh After)214 569.4 R -.4
(DA)2.5 G 1.86 -.93(TA c)-.71 H(ommand and header).93 E 28.76(eom After)
214 581.4 R -.4(DA)2.5 G 1.86 -.93(TA c)-.71 H(ommand and terminating `)
.93 E(`.)-.74 E -.74('')-.7 G(By def)174 597.6 Q
(ault the lists of macros are empty)-.1 E 5(.E)-.65 G(xample:)-5 E 2.5
(OM)214 613.8 S(ilter)-2.5 E(.LogLe)-.55 E -.15(ve)-.25 G(l=12).15 E 2.5
(OM)214 625.8 S(ilter)-2.5 E(.macros.connect=j, _, {daemon_name})-.55 E
(MinFreeBlocks=)102 646.2 Q F2(N)A F1 1.538([b] Insist on at least)174
658.2 R F2(N)4.038 E F1 1.539
(blocks free on the \214lesystem that holds the queue \214les)4.039 F
.846(before accepting email via SMTP)174 670.2 R 5.846(.I)-1.11 G 3.346
(ft)-5.846 G .846(here is insuf)-3.346 F .846(\214cient space)-.25 F F2
(sendmail)3.346 E F1(gi)3.345 E -.15(ve)-.25 G 3.345(sa).15 G
(452 response to the MAIL command.)174 682.2 Q(This in)5 E
(vites the sender to try ag)-.4 E(ain later)-.05 E(.)-.55 E
(MaxQueueAge=)102 698.4 Q F2 -.1(age)C F1 .345
([no short name] If this is set to a v)174 710.4 R .346
(alue greater than zero, entries in the queue will)-.25 F 1.094
(be retried during a queue run only if the indi)174 722.4 R 1.094
(vidual retry time has been reached)-.25 F 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-74 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF 1.476
(which is doubled for each attempt.)174 96 R 1.476
(The maximum retry time is limited by the)6.476 F(speci\214ed v)174 108
Q(alue.)-.25 E(MinQueueAge=)102 124.2 Q/F2 10/Times-Italic@0 SF -.1(age)
C F1 .887([no short name] Don')174 136.2 R 3.387(tp)-.18 G .887
(rocess an)-3.387 F 3.387(yq)-.15 G .886(ueued jobs that ha)-3.387 F
1.186 -.15(ve b)-.2 H .886(een in the queue less).15 F 1.899
(than the indicated time interv)174 148.2 R 4.399(al. This)-.25 F 1.899
(is intended to allo)4.399 F 4.399(wy)-.25 G 1.9(ou to get respon-)
-4.399 F(si)174 160.2 Q -.15(ve)-.25 G .665
(ness by processing the queue f).15 F .665
(airly frequently without thrashing your system)-.1 F 1.91
(by trying jobs too often.)174 172.2 R 1.91(The def)6.91 F 1.91
(ault units are minutes.)-.1 F 1.91(Note: This option is)6.91 F 8.212
(ignored for queue runs that select a subset of the queue, i.e.,)174
184.2 R(\231\255q[!][I|R|S|Q][string]\232)174 196.2 Q(MustQuoteChars=)
102 212.4 Q F2(s)A F1 1.252([no short name] Sets the list of characters\
 that must be quoted if used in a full)174 224.4 R 1.217
(name that is in the phrase part of a `)174 236.4 R 1.217
(`phrase <address>')-.74 F 3.717('s)-.74 G 3.717(yntax. The)-3.717 F
(def)3.717 E 1.217(ault is)-.1 F -.74(``)174 248.4 S<b42e>.74 E -.74('')
-.7 G 6.605(.T).74 G 1.605(he characters `)-6.605 F(`@,;:\\\(\)[]')-.74
E 4.106('a)-.74 G 1.606(re al)-4.106 F -.1(wa)-.1 G 1.606
(ys added to this list.).1 F 1.606(Note: T)6.606 F 4.106(oa)-.8 G -.2
(vo)-4.306 G(id).2 E
(potential breakage of DKIM signatures it is useful to set)174 260.4 Q
2.5(OM)214 276.6 S(ustQuoteChars=.)-2.5 E(Moreo)174 292.8 Q -.15(ve)-.15
G .8 -.4(r, r).15 H(elax).4 E
(ed header signing should be used for DKIM signatures.)-.15 E 7.85
(NiceQueueRun [no)102 309 R 2.156
(short name] The priority of queue runners \(nice\(3\)\).)4.656 F 2.156
(This v)7.156 F 2.155(alue must be)-.25 F(greater or equal zero.)174 321
Q(NoRecipientAction)102 337.2 Q .554([no short name] The action to tak)
174 349.2 R 3.055(ew)-.1 G .555(hen you recei)-3.055 F .855 -.15(ve a m)
-.25 H .555(essage that has no v).15 F(alid)-.25 E .625
(recipient headers \(T)174 361.2 R .625(o:, Cc:, Bcc:, or Apparently-T)
-.8 F .625(o: \212 the last included for back)-.8 F .108
(compatibility with old)174 373.2 R F2(sendmail)2.608 E F1 2.608
(s\). It)B .108(can be)2.608 F F0(None)2.608 E F1 .109
(to pass the message on unmod-)2.609 F .297
(i\214ed, which violates the protocol,)174 385.2 R F0(Add-T)2.796 E(o)
-.92 E F1 .296(to add a T)2.796 F .296(o: header with an)-.8 F 2.796(yr)
-.15 G(ecipients)-2.796 E 1.638(it can \214nd in the en)174 397.2 R -.15
(ve)-.4 G 1.638(lope \(which might e).15 F 1.638
(xpose Bcc: recipients\),)-.15 F F0(Add-A)4.139 E(ppar)-.25 E(-)-.37 E
(ently-T)174 409.2 Q(o)-.92 E F1 .338(to add an Apparently-T)2.838 F
.337(o: header \(this is only for back-compatibility and)-.8 F .841
(is of)174 421.2 R .841(\214cially deprecated\),)-.25 F F0(Add-T)3.341 E
(o-Undisclosed)-.92 E F1 .841(to add a header \231T)3.341 F .842
(o: undisclosed-)-.8 F .398(recipients:;\232 to mak)174 433.2 R 2.898
(et)-.1 G .397(he header le)-2.898 F -.05(ga)-.15 G 2.897(lw).05 G .397
(ithout disclosing an)-2.897 F .397(ything, or)-.15 F F0(Add-Bcc)2.897 E
F1(to)2.897 E(add an empty Bcc: header)174 445.2 Q(.)-.55 E 1.18
(OldStyleHeaders [o])102 461.4 R 1.713(Assume that the headers may be i\
n old format, i.e., spaces delimit names.)4.213 F 1.069
(This actually turns on an adapti)174 473.4 R 1.368 -.15(ve a)-.25 H
1.068(lgorithm: if an).15 F 3.568(yr)-.15 G 1.068
(ecipient address contains a)-3.568 F 1.681
(comma, parenthesis, or angle brack)174 485.4 R 1.681
(et, it will be assumed that commas already)-.1 F -.15(ex)174 497.4 S
2.825(ist. If).15 F .325
(this \215ag is not on, only commas delimit names.)2.825 F .325
(Headers are al)5.325 F -.1(wa)-.1 G .325(ys out-).1 F
(put with commas between the names.)174 509.4 Q(Def)5 E(aults to of)-.1
E(f.)-.25 E(OperatorChars=)102 525.6 Q F2 -.15(ch)C(arlist).15 E F1
1.438([$o macro] The list of characters that are considered to be \231o\
perators\232, that is,)174 537.6 R .82(characters that delimit tok)174
549.6 R 3.32(ens. All)-.1 F .82(operator characters are tok)3.32 F .82
(ens by themselv)-.1 F(es;)-.15 E .078
(sequences of non-operator characters are also tok)174 561.6 R 2.578
(ens. White)-.1 F .078(space characters sep-)2.578 F .27(arate tok)174
573.6 R .27(ens b)-.1 F .269(ut are not tok)-.2 F .269(ens themselv)-.1
F .269(es \212 for e)-.15 F .269(xample, \231)-.15 F .269
(AAA.BBB\232 has three)-.8 F(tok)174 585.6 Q .433(ens, b)-.1 F .433
(ut \231)-.2 F .433(AAA BBB\232 has tw)-.8 F 2.933(o. If)-.1 F .433
(not set, OperatorChars def)2.933 F .433(aults to \231.)-.1 F 1.666
(:@[])1.666 G<9a3b>-1.666 E(additionally)174 597.6 Q 3.566(,t)-.65 G
1.066(he characters \231\()-3.566 F 1.666(\)<>,;)1.666 G 3.566<9a61>
-1.666 G 1.066(re al)-3.566 F -.1(wa)-.1 G 1.065(ys operators.).1 F
1.065(Note that Operator)6.065 F(-)-.2 E
(Chars must be set in the con\214guration \214le before an)174 609.6 Q
2.5(yr)-.15 G(ulesets.)-2.5 E(PidFile=)102 625.8 Q F2(\214lename)A F1
1.3([no short name] Filename of the pid \214le.)3.58 F(\(def)6.3 E 1.3
(ault is _P)-.1 F -1.11(AT)-.92 G(H_SENDMAILPID\).)1.11 E(The)174 637.8
Q F2(\214lename)2.832 E F1 .332(is macro-e)2.832 F .332
(xpanded before it is opened, and unlink)-.15 F .331(ed when)-.1 F F2
(sendmail)2.831 E F1 -.15(ex)174 649.8 S(its.).15 E(PostmasterCop)102
666 Q(y=)-.1 E F2(postmaster)A F1 .003
([P] If set, copies of error messages will be sent to the named)174 678
R F2(postmaster)2.504 E F1 5.004(.O)C .004(nly the)-5.004 F .687
(header of the f)174 690 R .687(ailed message is sent.)-.1 F .687
(Errors resulting from messages with a ne)5.687 F(g-)-.15 E(ati)174 702
Q 1.83 -.15(ve p)-.25 H 1.53(recedence will not be sent.).15 F 1.531
(Since most errors are user problems, this is)6.531 F .453
(probably not a good idea on lar)174 714 R .453(ge sites, and ar)-.18 F
.453(guably contains all sorts of pri)-.18 F -.25(va)-.25 G -.15(cy).25
G 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-75)195.86 E/F1 10/Times-Roman@0 SF .1(violations, b)174 96 R
.101(ut it seems to be popular with certain operating systems v)-.2 F
2.601(endors. The)-.15 F 1.919(address is macro e)174 108 R 1.918
(xpanded at the time of deli)-.15 F -.15(ve)-.25 G(ry).15 E 6.918(.D)
-.65 G(ef)-6.918 E 1.918(aults to no postmaster)-.1 F(copies.)174 120 Q
(Pri)102 136.2 Q -.25(va)-.25 G -.15(cy).25 G(Options=).15 E/F2 10
/Times-Italic@0 SF(opt,opt,...)1.666 E F1 1.191([p] Set the pri)174
148.2 R -.25(va)-.25 G -.15(cy).25 G F2(opt)3.841 E F1 3.691(ions. `)B
(`Pri)-.74 E -.25(va)-.25 G -.15(cy).25 G 2.671 -.74('' i).15 H 3.692
(sr).74 G 1.192(eally a misnomer; man)-3.692 F 3.692(yo)-.15 G 3.692(ft)
-3.692 G 1.192(hese are)-3.692 F .929(just a w)174 160.2 R .928
(ay of insisting on stricter adherence to the SMTP protocol.)-.1 F(The)
5.928 E F2(opt)3.428 E F1(ions)A(can be selected from:)174 172.2 Q 56.37
(public Allo)214 188.4 R 2.5(wo)-.25 G(pen access)-2.5 E 27.49
(needmailhelo Insist)214 200.4 R(on HELO or EHLO command before MAIL)2.5
E(neede)214 212.4 Q 25.98(xpnhelo Insist)-.15 F
(on HELO or EHLO command before EXPN)2.5 E(noe)214 224.4 Q 52.08
(xpn Disallo)-.15 F 2.5(wE)-.25 G(XPN entirely)-2.5 E 2.5(,i)-.65 G
(mplies no)-2.5 E -.15(ve)-.15 G(rb).15 E(.)-.4 E 28.61
(needvrfyhelo Insist)214 236.4 R(on HELO or EHLO command before VRFY)2.5
E(no)214 248.4 Q 54.86(vrfy Disallo)-.15 F 2.5(wV)-.25 G(RFY entirely)
-2.5 E 55.82(noetrn Disallo)214 260.4 R 2.5(wE)-.25 G(TRN entirely)-2.5
E(no)214 272.4 Q -.15(ve)-.15 G 53.9(rb Disallo).15 F 2.5(wV)-.25 G
(ERB entirely)-2.5 E 30.82(restrictmailq Restrict)214 284.4 R
(mailq command)2.5 E 35.27(restrictqrun Restrict)214 296.4 R
(\255q command line \215ag)2.5 E(restricte)214 308.4 Q 24.87
(xpand Restrict)-.15 F<ad62>2.5 E 2.5(va)-.15 G
(nd \255v command line \215ags)-2.5 E 40.27(noreceipts Don')214 322.4 R
2.5(tr)-.18 G(eturn success DSNs)-2.5 E/F3 7/Times-Roman@0 SF(20)-4 I F1
27.49(nobodyreturn Don')214 334.4 R 2.5(tr)-.18 G
(eturn the body of a message with DSNs)-2.5 E(goa)214 346.4 Q -.1(wa)
-.15 G 53.02(yD).1 G(isallo)-53.02 E 2.5(we)-.25 G
(ssentially all SMTP status queries)-2.5 E(authw)214 358.4 Q 27.59
(arnings Put)-.1 F(X-Authentication-W)2.5 E(arning: headers in messages)
-.8 E(and log w)297.87 370.4 Q(arnings)-.1 E 12.5
(noactualrecipient Don')214 382.4 R 2.5(tp)-.18 G
(ut X-Actual-Recipient lines in DSNs)-2.5 E(which re)297.87 394.4 Q -.15
(ve)-.25 G(al the actual account that addresses map to.).15 E 2.976
(The \231goa)174 410.6 R -.1(wa)-.15 G 2.976
(y\232 pseudo-\215ag sets all \215ags e).1 F 2.977
(xcept \231noreceipts\232, \231restrictmailq\232,)-.15 F 4.558
(\231restrictqrun\232, \231restricte)174 422.6 R 4.557
(xpand\232, \231noetrn\232, and \231nobodyreturn\232.)-.15 F 4.557
(If mailq is)9.557 F 1.842(restricted, only people in the same group as\
 the queue directory can print the)174 434.6 R 2.545(queue. If)174 446.6
R .044(queue runs are restricted, only root and the o)2.545 F .044
(wner of the queue directory)-.25 F 1.299(can run the queue.)174 458.6 R
1.299(The \231restricte)6.299 F 1.299(xpand\232 pseudo-\215ag instructs)
-.15 F F2(sendmail)3.799 E F1 1.299(to drop)3.799 F(pri)174 470.6 Q
(vile)-.25 E 1.608(ges when the)-.15 F F0<ad62>4.108 E(v)-.15 E F1 1.608
(option is gi)4.108 F -.15(ve)-.25 G 4.108(nb).15 G 4.108(yu)-4.108 G
1.608(sers who are neither root nor the)-4.108 F -.35(Tr)174 482.6 S
1.33(ustedUser so users cannot read pri).35 F -.25(va)-.25 G 1.33
(te aliases, forw).25 F 1.33(ards, or :include: \214les.)-.1 F(It)6.33 E
.634(will add the \231NonRootSafeAddr\232 to the \231DontBlameSendmail\
\232 option to pre)174 494.6 R -.15(ve)-.25 G(nt).15 E .436
(misleading unsafe address w)174 506.6 R 2.936(arnings. It)-.1 F .436
(also o)2.936 F -.15(ve)-.15 G .436(rrides the).15 F F0<ad76>2.936 E F1
(\(v)2.936 E .436(erbose\) command)-.15 F 1.293(line option to pre)174
518.6 R -.15(ve)-.25 G 1.292(nt information leakage.).15 F 1.292
(Authentication W)6.292 F 1.292(arnings add w)-.8 F(arn-)-.1 E .183
(ings about v)174 530.6 R .183
(arious conditions that may indicate attempts to spoof the mail system,)
-.25 F(such as using a non-standard queue directory)174 542.6 Q(.)-.65 E
(ProcessT)102 558.8 Q(itlePre\214x=)-.35 E F2(string)A F1 1.196
([no short name] Pre\214x the process title sho)174 570.8 R 1.195
(wn on 'ps' listings with)-.25 F F2(string)3.695 E F1 6.195(.T)C(he)
-6.195 E F2(string)174 582.8 Q F1(will be macro processed.)2.5 E
(QueueDirectory=)102 599 Q F2(dir)A F1 .583
([Q] The QueueDirectory option serv)174 611 R .584(es tw)-.15 F 3.084
(op)-.1 G 3.084(urposes. First,)-3.084 F .584(it speci\214es the direc-)
3.084 F .483(tory or set of directories that comprise the def)174 623 R
.482(ault queue group.)-.1 F .482(Second, it speci-)5.482 F .104(\214es\
 the directory D which is the ancestor of all queue directories, and wh\
ich send-)174 635 R .721(mail uses as its current w)174 647 R .721
(orking directory)-.1 F 5.721(.W)-.65 G .721
(hen sendmail dumps core, it lea)-5.721 F -.15(ve)-.2 G(s).15 E 2.872
(its core \214les in D.)174 659 R 2.873(There are tw)7.872 F 5.373(oc)
-.1 G 5.373(ases. If)-5.373 F F2(dir)5.373 E F1 2.873
(ends with an asterisk \(e)5.373 F(g,)-.15 E F2(/var/spool/mqueue/qd*)
174 671 Q F1 .253
(\), then all of the directories or symbolic links to directories)B .32
LW 76 680.6 72 680.6 DL 80 680.6 76 680.6 DL 84 680.6 80 680.6 DL 88
680.6 84 680.6 DL 92 680.6 88 680.6 DL 96 680.6 92 680.6 DL 100 680.6 96
680.6 DL 104 680.6 100 680.6 DL 108 680.6 104 680.6 DL 112 680.6 108
680.6 DL 116 680.6 112 680.6 DL 120 680.6 116 680.6 DL 124 680.6 120
680.6 DL 128 680.6 124 680.6 DL 132 680.6 128 680.6 DL 136 680.6 132
680.6 DL 140 680.6 136 680.6 DL 144 680.6 140 680.6 DL 148 680.6 144
680.6 DL 152 680.6 148 680.6 DL 156 680.6 152 680.6 DL 160 680.6 156
680.6 DL 164 680.6 160 680.6 DL 168 680.6 164 680.6 DL 172 680.6 168
680.6 DL 176 680.6 172 680.6 DL 180 680.6 176 680.6 DL 184 680.6 180
680.6 DL 188 680.6 184 680.6 DL 192 680.6 188 680.6 DL 196 680.6 192
680.6 DL 200 680.6 196 680.6 DL 204 680.6 200 680.6 DL 208 680.6 204
680.6 DL 212 680.6 208 680.6 DL 216 680.6 212 680.6 DL/F4 5
/Times-Roman@0 SF(20)93.6 691 Q/F5 8/Times-Roman@0 SF(N.B.: the)3.2 I/F6
8/Times-Bold@0 SF(nor)2 E(eceipts)-.144 E F5(\215ag turns of)2 E 2(fs)
-.2 G(upport for RFC 1891 \(Deli)-2 E -.12(ve)-.2 G
(ry Status Noti\214cation\).).12 E 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-76 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF(be)174 96
Q .432(ginning with `qd' in)-.15 F/F2 10/Times-Italic@0 SF
(/var/spool/mqueue)2.932 E F1 .433
(will be used as queue directories of the)2.932 F(def)174 108 Q .276
(ault queue group, and)-.1 F F2(/var/spool/mqueue)2.776 E F1 .275
(will be used as the w)2.776 F .275(orking directory)-.1 F 2.82
(D. Otherwise,)174 120 R F2(dir)2.82 E F1 .32
(must name a directory \(usually)2.82 F F2(/var/spool/mqueue)2.82 E F1
.32(\): the def)B(ault)-.1 E .545
(queue group consists of the single queue directory)174 132 R F2(dir)
3.045 E F1 3.045(,a)C .545(nd the w)-3.045 F .545(orking directory)-.1 F
2.5(Di)174 144 S 2.5(ss)-2.5 G(et to)-2.5 E F2(dir)2.5 E F1 5.001(.T)C
2.501(od)-5.801 G .001
(e\214ne additional groups of queue directories, use the con\214gura-)
-2.501 F .746(tion \214le `Q' command.)174 156 R .746
(Do not change the queue directory structure while send-)5.746 F
(mail is running.)174 168 Q(QueueF)102 184.2 Q(actor=)-.15 E F2(factor)A
F1 .613([q] Use)174 196.2 R F2(factor)3.113 E F1 .613
(as the multiplier in the map function to decide when to just queue)
3.113 F .415(up jobs rather than run them.)174 208.2 R .415(This v)5.415
F .415(alue is di)-.25 F .415(vided by the dif)-.25 F .415
(ference between the)-.25 F 1.003(current load a)174 220.2 R -.15(ve)-.2
G 1.003(rage and the load a).15 F -.15(ve)-.2 G 1.004(rage limit \().15
F F0(QueueLA)A F1 1.004(option\) to determine)3.504 F
(the maximum message priority that will be sent.)174 232.2 Q(Def)5 E
(aults to 600000.)-.1 E(QueueLA=)102 248.4 Q F2(LA)A F1 1.087
([x] When the system load a)15.26 F -.15(ve)-.2 G 1.087(rage e).15 F
(xceeds)-.15 E F2(LA)3.587 E F1 1.086(and the)3.587 F F0(QueueF)3.586 E
(actor)-.25 E F1(\()3.586 E F0(q)A F1 3.586(\)o)C(ption)-3.586 E(di)174
260.4 Q 1.465(vided by the dif)-.25 F 1.465
(ference in the current load a)-.25 F -.15(ve)-.2 G 1.465(rage and the)
.15 F F0(QueueLA)3.965 E F1(option)3.965 E .769(plus one is less than t\
he priority of the message, just queue messages \(i.e., don')174 272.4 R
(t)-.18 E .247(try to send them\).)174 284.4 R(Def)5.247 E .247
(aults to 8 multiplied by the number of processors online on)-.1 F
(the system \(if that can be determined\).)174 296.4 Q(QueueFileMode=)
102 312.6 Q F2(mode)A F1 .962([no short name] Def)174 324.6 R .962
(ault permissions for queue \214les \(octal\).)-.1 F .961
(If not set, sendmail)5.961 F .212(uses 0600 unless its real and ef)174
336.6 R(fecti)-.25 E .513 -.15(ve u)-.25 H .213(id are dif).15 F .213
(ferent in which case it uses 0644.)-.25 F(QueueSortOrder=)102 352.8 Q
F2(algorithm)A F1 .097([no short name] Sets the)174 364.8 R F2
(algorithm)2.597 E F1 .096(used for sorting the queue.)2.597 F .096
(Only the \214rst char)5.096 F(-)-.2 E 1.021(acter of the v)174 376.8 R
1.021(alue is used.)-.25 F(Le)6.021 E -.05(ga)-.15 G 3.521(lv).05 G
1.021(alues are \231host\232 \(to order by the name of the)-3.771 F 1.73
(\214rst host name of the \214rst recipient\), \231\214lename\232 \(to \
order by the name of the)174 388.8 R .283(queue \214le name\), \231time\
\232 \(to order by the submission/creation time\), \231random\232 \(to)
174 400.8 R .906(order randomly\), \231modi\214cation\232 \(to order by\
 the modi\214cation time of the qf \214le)174 412.8 R 1.349(\(older ent\
ries \214rst\)\), \231none\232 \(to not order\), and \231priority\232 \
\(to order by message)174 424.8 R 2.528(priority\). Host)174 436.8 R
.028(ordering mak)2.528 F .028(es better use of the connection cache, b)
-.1 F .027(ut may tend to)-.2 F .322(process lo)174 448.8 R 2.822(wp)
-.25 G .322(riority messages that go to a single host o)-2.822 F -.15
(ve)-.15 G 2.823(rh).15 G .323(igh priority messages)-2.823 F 1.825
(that go to se)174 460.8 R -.15(ve)-.25 G 1.825
(ral hosts; it probably shouldn').15 F 4.325(tb)-.18 G 4.324(eu)-4.325 G
1.824(sed on slo)-4.324 F 4.324(wn)-.25 G(etw)-4.324 E 1.824(ork links.)
-.1 F .614(Filename and modi\214cation time ordering sa)174 472.8 R -.15
(ve)-.2 G 3.114(st).15 G .614(he o)-3.114 F -.15(ve)-.15 G .614
(rhead of reading all of the).15 F .671
(queued items before starting the queue run.)174 484.8 R .671
(Creation \(submission\) time ordering)5.671 F 1.854(is almost al)174
496.8 R -.1(wa)-.1 G 1.854(ys a bad idea, since it allo).1 F 1.854
(ws lar)-.25 F 1.854(ge, b)-.18 F 1.854(ulk mail to go out before)-.2 F
(smaller)174 508.8 Q 3.714(,p)-.4 G 1.214(ersonal mail, b)-3.714 F 1.214
(ut may ha)-.2 F 1.513 -.15(ve a)-.2 H 1.213
(pplicability on some hosts with v).15 F 1.213(ery f)-.15 F(ast)-.1 E
2.631(connections. Random)174 520.8 R .131(is useful if se)2.631 F -.15
(ve)-.25 G .132(ral queue runners are started by hand which).15 F .39
(try to drain the same queue since odds are the)174 532.8 R 2.889(yw)
-.15 G .389(ill be w)-2.889 F .389(orking on dif)-.1 F .389
(ferent parts)-.25 F(of the queue at the same time.)174 544.8 Q
(Priority ordering is the def)5 E(ault.)-.1 E(QueueT)102 561 Q(imeout=)
-.35 E F2(timeout)A F1 .355([T] A synon)174 573 R .355(ym for \231T)-.15
F 2.855(imeout.queuereturn\232. Use)-.35 F .356
(that form instead of the \231Queue-)2.855 F -.35(Ti)174 585 S
(meout\232 form.).35 E 32.83(RandFile [no)102 601.2 R 1.036(short name]\
 Name of \214le containing random data or the name of the UNIX)3.537 F
(sock)174 613.2 Q 1.63(et if EGD is used.)-.1 F 4.131(A\()6.631 G 1.631
(required\) pre\214x "e)-4.131 F 1.631
(gd:" or "\214le:" speci\214es the type.)-.15 F(ST)174 625.2 Q(AR)-.93 E
1.561
(TTLS requires this \214lename if the compile \215ag HASURANDOMDEV is)
-.6 F(not set \(see sendmail/README\).)174 637.2 Q(Resolv)102 653.4 Q
(erOptions=)-.15 E F2(options)A F1 .127([I] Set resolv)174 665.4 R .127
(er options.)-.15 F -1.11(Va)5.127 G .127(lues can be set using)1.11 F
F0(+)2.627 E F2<8d61>A(g)-.1 E F1 .127(and cleared using)2.627 F F0<ad>
2.628 E F2<8d61>A(g)-.1 E F1 2.628(;t)C(he)-2.628 E F2<8d61>174 677.4 Q
(g)-.1 E F1 5.014(sc)C 2.514(an be \231deb)-5.014 F 2.513
(ug\232, \231aaonly\232, \231use)-.2 F 2.513
(vc\232, \231primary\232, \231igntc\232, \231recurse\232, \231def-)-.25
F 2.688
(names\232, \231stayopen\232, \231use_inet6\232, or \231dnsrch\232.)174
689.4 R 2.689(The string \231HasW)7.689 F(ildcardMX\232)-.4 E .283
(\(without a)174 701.4 R F0(+)2.783 E F1(or)2.783 E F0<ad>2.783 E F1
2.783(\)c)C .283(an be speci\214ed to turn of)-2.783 F 2.782(fm)-.25 G
.282(atching ag)-2.782 F .282(ainst MX records when)-.05 F .89
(doing name canoni\214cations.)174 713.4 R .89(The string \231W)5.89 F
(orkAroundBrok)-.8 E .89(enAAAA\232 \(without a)-.1 F F0(+)174 725.4 Q
F1(or)3.473 E F0<ad>3.473 E F1 3.473(\)c)C .972(an be speci\214ed to w)
-3.473 F .972(ork around some brok)-.1 F .972(en nameserv)-.1 F .972
(ers which return)-.15 F 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-77)195.86 E/F1 10/Times-Roman@0 SF(SER)174 96 Q(VF)-.8 E 1.001
(AIL \(a temporary f)-.74 F 1.001(ailure\) on T_AAAA \(IPv6\) lookups.)
-.1 F 1.001(Notice: it might)6.001 F
(be necessary to apply the same \(or similar\) options to)174 108 Q/F2
10/Times-Italic@0 SF(submit.cf)2.5 E F1(too.)2.5 E -1.04
(RequiresDirfsync [no)102 124.2 R 2.782
(short name] This option can be used to o)5.283 F -.15(ve)-.15 G 2.782
(rride the compile time \215ag).15 F F0(REQ)174 136.2 Q(UIRES_DIR_FSYNC)
-.1 E F1 .871(at runtime by setting it to)3.371 F/F3 9/Times-Roman@0 SF
-.09(fa)3.372 G(lse).09 E F1 5.872(.I)C 3.372(ft)-5.872 G .872
(he compile time)-3.372 F .018
(\215ag is not set, the option is ignored.)174 148.2 R .017
(The \215ag turns on support for \214le systems that)5.018 F .209
(require to call)174 160.2 R F2(fsync\(\))2.709 E F1 .209
(for a directory if the meta-data in it has been changed.)2.709 F(This)
5.21 E .075(should be turned on at least for older v)174 172.2 R .074
(ersions of ReiserFS; it is enabled by def)-.15 F(ault)-.1 E 1.45
(for Linux.)174 184.2 R 1.451
(According to some information this \215ag is not needed an)6.45 F 1.451
(ymore for)-.15 F -.1(ke)174 196.2 S(rnel 2.4.16 and ne).1 E(wer)-.25 E
(.)-.55 E 10.61(RrtImpliesDsn [R])102 212.4 R 1.52
(If this option is set, a \231Return-Receipt-T)4.02 F 1.52
(o:\232 header causes the request of a)-.8 F 1.02
(DSN, which is sent to the en)174 224.4 R -.15(ve)-.4 G 1.02
(lope sender as required by RFC 1891, not to the).15 F(address gi)174
236.4 Q -.15(ve)-.25 G 2.5(ni).15 G 2.5(nt)-2.5 G(he header)-2.5 E(.)
-.55 E(RunAsUser=)102 252.6 Q F2(user)A F1 3.753([no short name] The)
2.48 F F2(user)6.253 E F1 3.752(parameter may be a user name \(look)
6.252 F 3.752(ed up in)-.1 F F2(/etc/passwd)174 264.6 Q F1 3.045(\)o)C
-5.544 3.045(ra n)-3.045 H .546(umeric user id; either form can ha)
-3.045 F .846 -.15(ve \231)-.2 H .546(:group\232 attached \(where).15 F
.966(group can be numeric or symbolic\).)174 276.6 R .965
(If set to a non-zero \(non-root\) v)5.965 F(alue,)-.25 E F2(send-)3.465
E(mail)174 290.6 Q F1 .483
(will change to this user id shortly after startup)2.983 F/F4 7
/Times-Roman@0 SF(21)-4 I F1 5.484(.T)4 K .484(his a)-5.484 F -.2(vo)-.2
G .484(ids a certain class).2 F 1.844(of security problems.)174 302.6 R
(Ho)6.844 E(we)-.25 E -.15(ve)-.25 G 2.644 -.4(r, t).15 H 1.844
(his means that all \231.forw).4 F 1.844(ard\232 and \231:include:\232)
-.1 F 1.428(\214les must be readable by the indicated)174 314.6 R F2
(user)3.928 E F1 1.428(and all \214les to be written must be)3.928 F
.043(writable by)174 326.6 R F2(user)2.543 E F1 .042
(Also, all \214le and program deli)2.543 F -.15(ve)-.25 G .042
(ries will be mark).15 F .042(ed unsafe unless)-.1 F 2.101(the option)
174 338.6 R F0(DontBlameSendmail=NonRootSafeAddr)4.601 E F1 2.101
(is set, in which case the)4.601 F(deli)174 350.6 Q -.15(ve)-.25 G .778
(ry will be done as).15 F F2(user)3.278 E F1 5.778(.I)C 3.277(ti)-5.778
G 3.277(sa)-3.277 G .777(lso incompatible with the)-3.277 F F0
(SafeFileEn)3.277 E(vir)-.4 E(on-)-.18 E(ment)174 362.6 Q F1 2.62
(option. In)2.62 F .12(other w)2.62 F .121
(ords, it may not actually add much to security on an a)-.1 F -.15(ve)
-.2 G -.2(r-).15 G .593(age system, and may in f)174 374.6 R .592
(act detract from security \(because other \214le permissions)-.1 F
1.579(must be loosened\).)174 386.6 R(Ho)6.579 E(we)-.25 E -.15(ve)-.25
G 2.379 -.4(r, i).15 H 4.079(ts).4 G 1.579(hould be useful on \214re)
-4.079 F -.1(wa)-.25 G 1.58(lls and other places).1 F(where users don')
174 398.6 Q 2.5(th)-.18 G -2.25 -.2(av e)-2.5 H
(accounts and the aliases \214le is well constrained.)2.7 E(RecipientF)
102 414.8 Q(actor=)-.15 E F2(fact)A F1 .638([y] The indicated)174 426.8
R F2(fact)3.137 E F1 .637(or is added to the priority \(thus)B F2
(lowering)3.137 E F1 .637(the priority of the)3.137 F .23
(job\) for each recipient, i.e., this v)174 438.8 R .231
(alue penalizes jobs with lar)-.25 F .231(ge numbers of recipi-)-.18 F
2.5(ents. Def)174 450.8 R(aults to 30000.)-.1 E(RefuseLA=)102 467 Q F2
(LA)A F1 1.012([X] When the system load a)13.59 F -.15(ve)-.2 G 1.012
(rage e).15 F(xceeds)-.15 E F2(LA)3.512 E F1 3.512(,r)C 1.011
(efuse incoming SMTP connec-)-3.512 F 2.658(tions. Def)174 479 R .158(a\
ults to 12 multiplied by the number of processors online on the system)
-.1 F(\(if that can be determined\).)174 491 Q(RejectLogInterv)102 507.2
Q(al=)-.25 E F2(timeout)A F1 1.628([no short name] Log interv)174 519.2
R 1.627(al when refusing connections for this long \(def)-.25 F(ault:)
-.1 E(3h\).)174 531.2 Q(RetryF)102 547.4 Q(actor=)-.15 E F2(fact)A F1
.771([Z] The)3.74 F F2(fact)3.271 E F1 .771
(or is added to the priority e)B -.15(ve)-.25 G .772
(ry time a job is processed.).15 F .772(Thus, each)5.772 F .994(time a \
job is processed, its priority will be decreased by the indicated v)174
559.4 R 3.493(alue. In)-.25 F 1.107(most en)174 571.4 R 1.107
(vironments this should be positi)-.4 F -.15(ve)-.25 G 3.608(,s).15 G
1.108(ince hosts that are do)-3.608 F 1.108(wn are all too)-.25 F
(often do)174 583.4 Q(wn for a long time.)-.25 E(Def)5 E
(aults to 90000.)-.1 E(SafeFileEn)102 599.6 Q(vironment=)-.4 E F2(dir)A
F1 .022([no short name] If this option is set,)174 611.6 R F2(sendmail)
2.521 E F1 .021(will do a)2.521 F F2 -.15(ch)2.521 G -.45(ro).15 G(ot)
.45 E F1 .021(\(2\) call into the indi-)B(cated)174 623.6 Q F2(dir)2.832
E F1 .333(ectory before doing an)B 2.833<798c>-.15 G .333(le writes.)
-2.833 F .333(If the \214le name speci\214ed by the user)5.333 F(be)174
635.6 Q .588(gins with)-.15 F F2(dir)3.088 E F1 3.087(,t)C .587
(hat partial path name will be stripped of)-3.087 F 3.087(fb)-.25 G .587
(efore writing, so \(for)-3.087 F -.15(ex)174 647.6 S 2.224
(ample\) if the SafeFileEn).15 F 2.224(vironment v)-.4 F 2.225
(ariable is set to \231/safe\232 then aliases of)-.25 F 1.557(\231/safe\
/logs/\214le\232 and \231/logs/\214le\232 actually indicate the same \
\214le.)174 659.6 R(Additionally)6.556 E 4.056(,i)-.65 G(f)-4.056 E
(this option is set,)174 671.6 Q F2(sendmail)2.5 E F1(refuses to deli)
2.5 E -.15(ve)-.25 G 2.5(rt).15 G 2.5(os)-2.5 G(ymbolic links.)-2.5 E
.32 LW 76 681.2 72 681.2 DL 80 681.2 76 681.2 DL 84 681.2 80 681.2 DL 88
681.2 84 681.2 DL 92 681.2 88 681.2 DL 96 681.2 92 681.2 DL 100 681.2 96
681.2 DL 104 681.2 100 681.2 DL 108 681.2 104 681.2 DL 112 681.2 108
681.2 DL 116 681.2 112 681.2 DL 120 681.2 116 681.2 DL 124 681.2 120
681.2 DL 128 681.2 124 681.2 DL 132 681.2 128 681.2 DL 136 681.2 132
681.2 DL 140 681.2 136 681.2 DL 144 681.2 140 681.2 DL 148 681.2 144
681.2 DL 152 681.2 148 681.2 DL 156 681.2 152 681.2 DL 160 681.2 156
681.2 DL 164 681.2 160 681.2 DL 168 681.2 164 681.2 DL 172 681.2 168
681.2 DL 176 681.2 172 681.2 DL 180 681.2 176 681.2 DL 184 681.2 180
681.2 DL 188 681.2 184 681.2 DL 192 681.2 188 681.2 DL 196 681.2 192
681.2 DL 200 681.2 196 681.2 DL 204 681.2 200 681.2 DL 208 681.2 204
681.2 DL 212 681.2 208 681.2 DL 216 681.2 212 681.2 DL/F5 5
/Times-Roman@0 SF(21)93.6 691.6 Q/F6 8/Times-Roman@0 SF(When running as\
 a daemon, it changes to this user after accepting a connection b)3.2 I
(ut before reading an)-.16 E(y)-.12 E F4(SMTP)2 E F6(commands.)2 E 0 Cg
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-78 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF(Sa)102 96
Q -.15(ve)-.2 G 10.41(FromLine [f]).15 F(Sa)4.492 E 2.292 -.15(ve U)-.2
H 1.992(NIX-style \231From\232 lines at the front of headers.).15 F
1.993(Normally the)6.993 F 4.493(ya)-.15 G(re)-4.493 E
(assumed redundant and discarded.)174 108 Q .62(SendMimeErrors [j])102
124.2 R .373(If set, send error messages in MIME format \(see RFC 2045 \
and RFC 1344 for)2.874 F 2.914(details\). If)174 136.2 R(disabled,)2.914
E/F2 10/Times-Italic@0 SF(sendmail)2.914 E F1 .415
(will not return the DSN k)2.914 F -.15(ey)-.1 G -.1(wo).15 G .415
(rd in response to an).1 F 1.731(EHLO and will not do Deli)174 148.2 R
-.15(ve)-.25 G 1.731
(ry Status Noti\214cation processing as described in).15 F(RFC 1891.)174
160.2 Q(Serv)102 176.4 Q 10.77(erCertFile [no)-.15 F .581
(short name] File containing the certi\214cate of the serv)3.08 F(er)
-.15 E 3.081(,i)-.4 G .581(.e., this certi\214cate is)-3.081 F
(used when sendmail acts as serv)174 188.4 Q(er \(used for ST)-.15 E(AR)
-.93 E(TTLS\).)-.6 E(Serv)102 204.6 Q(erK)-.15 E -.15(ey)-.25 G 11.73
(File [no).15 F .543(short name] File containing the pri)3.043 F -.25
(va)-.25 G .542(te k).25 F .842 -.15(ey b)-.1 H .542
(elonging to the serv).15 F .542(er certi\214cate)-.15 F(\(used for ST)
174 216.6 Q(AR)-.93 E(TTLS\).)-.6 E(Serv)102 232.8 Q(erSSLOptions)-.15 E
3.348(As)174 244.8 S .849
(pace or comma separated list of SSL related options for the serv)-3.348
F .849(er side.)-.15 F(See)5.849 E F2(SSL_CTX_set_options)174 256.8 Q F1
.961(\(3\) for a list; the a)B -.25(va)-.2 G .961(ilable v).25 F .961
(alues depend on the OpenSSL)-.25 F -.15(ve)174 268.8 S 5.628(rsion ag)
.15 F 5.628(ainst which)-.05 F F2(sendmail)8.129 E F1 5.629
(is compiled.)8.129 F 5.629(By def)10.629 F(ault,)-.1 E F2(SSL_OP_ALL)
8.129 E(-SSL_OP_TLSEXT_P)174 280.8 Q(ADDING)-.9 E F1 .938
(are used \(if those options are a)3.438 F -.25(va)-.2 G 3.437
(ilable\). Options).25 F .28
(can be cleared by preceding them with a minus sign.)174 292.8 R .281
(It is also possible to specify)5.281 F(numerical v)174 304.8 Q
(alues, e.g.,)-.25 E F0(-0x0010)2.5 E F1(.)A(ServiceSwitchFile=)102 321
Q F2(\214lename)A F1 1.533([no short name] If your host operating syste\
m has a service switch abstraction)174 333 R .003(\(e.g., /etc/nsswitch\
.conf on Solaris or /etc/svc.conf on Ultrix and DEC OSF/1\) that)174 345
R .814(service will be consulted and this option is ignored.)174 357 R
.814(Otherwise, this is the name)5.814 F 1.082(of a \214le that pro)174
369 R 1.082
(vides the list of methods used to implement particular services.)-.15 F
1.069(The syntax is a series of lines, each of which is a sequence of w)
174 381 R 3.569(ords. The)-.1 F(\214rst)3.569 E -.1(wo)174 393 S 1.363
(rd is the service name, and follo).1 F 1.363(wing w)-.25 F 1.364
(ords are service types.)-.1 F 1.364(The services)6.364 F(that)174 405 Q
F2(sendmail)4.11 E F1 1.61
(consults directly are \231aliases\232 and \231hosts.)4.11 F 6.61<9a53>
-.7 G 1.61(ervice types can be)-6.61 F 1.754(\231dns\232, \231nis\232, \
\231nisplus\232, or \231\214les\232 \(with the ca)174 417 R -.15(ve)-.2
G 1.755(at that the appropriate support).15 F .791
(must be compiled in before the service can be referenced\).)174 429 R
.79(If ServiceSwitchFile)5.791 F .925(is not speci\214ed, it def)174 441
R .925(aults to /etc/mail/service.switch.)-.1 F .925
(If that \214le does not e)5.925 F(xist,)-.15 E(the def)174 453 Q
(ault switch is:)-.1 E 54.71(aliases \214les)214 469.2 R 60.81
(hosts dns)214 481.2 R(nis \214les)2.5 E(The def)174 497.4 Q
(ault \214le is \231/etc/mail/service.switch\232.)-.1 E(Se)102 513.6 Q
-.15(ve)-.25 G 12.12(nBitInput [7]).15 F .322(Strip input to se)2.822 F
-.15(ve)-.25 G 2.822(nb).15 G .321
(its for compatibility with old systems.)-2.822 F .321(This shouldn')
5.321 F 2.821(tb)-.18 G(e)-2.821 E(necessary)174 525.6 Q(.)-.65 E
(SharedMemoryK)102 541.8 Q -.15(ey)-.25 G .744([no short name] K)174
553.8 R 1.044 -.15(ey t)-.25 H 3.244(ou).15 G .745
(se for shared memory se)-3.244 F .745
(gment; if not set \(or 0\), shared)-.15 F 1.16
(memory will not be used.)174 565.8 R 1.159(If set to -1)6.16 F F2
(sendmail)3.659 E F1 1.159(can select a k)3.659 F 1.459 -.15(ey i)-.1 H
1.159(tself pro).15 F(vided)-.15 E .658(that also)174 577.8 R F0(Shar)
3.158 E(edMemoryK)-.18 E(eyFile)-.25 E F1 .658(is set.)3.158 F .658
(Requires support for shared memory to)5.658 F 1.413(be compiled into)
174 589.8 R F2(sendmail)3.913 E F1 6.413(.I)C 3.912(ft)-6.413 G 1.412
(his option is set,)-3.912 F F2(sendmail)3.912 E F1 1.412
(can share some data)3.912 F .307(between dif)174 601.8 R .307
(ferent instances.)-.25 F -.15(Fo)5.307 G 2.807(re).15 G .308
(xample, the number of entries in a queue direc-)-2.957 F .033
(tory or the a)174 613.8 R -.25(va)-.2 G .032
(ilable space in a \214le system.).25 F .032(This allo)5.032 F .032
(ws for more ef)-.25 F .032(\214cient program)-.25 F -.15(exe)174 625.8
S .09(cution, since only one process needs to update the data instead o\
f each indi).15 F(vid-)-.25 E(ual process g)174 637.8 Q
(athering the data each time it is required.)-.05 E(SharedMemoryK)102
654 Q -.15(ey)-.25 G(File).15 E .087([no short name] If)174 666 R F0
(Shar)2.587 E(edMemoryK)-.18 E(ey)-.25 E F1 .086
(is set to -1 then the automatically selected)2.587 F(shared memory k)
174 678 Q .3 -.15(ey w)-.1 H(ill be stored in the speci\214ed \214le.)
.15 E(SingleLineFromHeader)102 694.2 Q .958
([no short name] If set, From: lines that ha)174 706.2 R 1.259 -.15
(ve e)-.2 H .959(mbedded ne).15 F .959(wlines are unwrapped)-.25 F .243
(onto one line.)174 718.2 R .243
(This is to get around a botch in Lotus Notes that apparently cannot)
5.243 F 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-79)195.86 E/F1 10/Times-Roman@0 SF(understand le)174 96 Q -.05
(ga)-.15 G(lly wrapped RFC 822 headers.).05 E(SingleThreadDeli)102 112.2
Q -.15(ve)-.25 G(ry).15 E .333
([no short name] If set, a client machine will ne)174 124.2 R -.15(ve)
-.25 G 2.833(rt).15 G .334(ry to open tw)-2.833 F 2.834(oS)-.1 G .334
(MTP connec-)-2.834 F 1.712(tions to a single serv)174 136.2 R 1.712
(er machine at the same time, e)-.15 F -.15(ve)-.25 G 4.211(ni).15 G
4.211(nd)-4.211 G(if)-4.211 E 1.711(ferent processes.)-.25 F .952
(That is, if another)174 148.2 R/F2 10/Times-Italic@0 SF(sendmail)3.452
E F1 .952(is already talking to some host a ne)3.452 F(w)-.25 E F2
(sendmail)3.453 E F1(will)3.453 E 2.388(not open another connection.)174
160.2 R 2.387(This property is of mix)7.387 F 2.387(ed v)-.15 F 2.387
(alue; although this)-.25 F .386(reduces the load on the other machine,\
 it can cause mail to be delayed \(for e)174 172.2 R(xam-)-.15 E .719
(ple, if one)174 184.2 R F2(sendmail)3.219 E F1 .719(is deli)3.219 F
-.15(ve)-.25 G .718(ring a huge message, other).15 F F2(sendmail)3.218 E
F1 3.218(sw)C(on')-3.318 E 3.218(tb)-.18 G 3.218(ea)-3.218 G(ble)-3.218
E 1.542(to send e)174 196.2 R -.15(ve)-.25 G 4.042(ns).15 G 1.542
(mall messages\).)-4.042 F 1.543
(Also, it requires another \214le descriptor \(for the)6.542 F .997
(lock \214le\) per connection, so you may ha)174 208.2 R 1.296 -.15
(ve t)-.2 H 3.496(or).15 G .996(educe the)-3.496 F F0
(ConnectionCacheSize)3.496 E F1 .234(option to a)174 220.2 R -.2(vo)-.2
G .234(id running out of per).2 F .235(-process \214le descriptors.)-.2
F .235(Requires the)5.235 F F0(HostSta-)2.735 E(tusDir)174 232.2 Q
(ectory)-.18 E F1(option.)2.5 E(SmtpGreetingMessage=)102 248.4 Q F2
(messa)A -.1(ge)-.1 G F1 .345
([$e macro] The message printed when the SMTP serv)174 260.4 R .344
(er starts up.)-.15 F(Def)5.344 E .344(aults to \231$j)-.1 F
(Sendmail $v ready at $b\232.)174 272.4 Q 22.28(SoftBounce If)102 288.6
R .092(set, issue temporary errors \(4xy\) instead of permanent errors \
\(5xy\).)2.592 F .093(This can be)5.093 F .127
(useful during testing of a ne)174 300.6 R 2.627(wc)-.25 G .127
(on\214guration to a)-2.627 F -.2(vo)-.2 G .126
(id erroneous bouncing of mails.).2 F 23.94(SSLEngine Name)102 316.8 R
1.004(of SSL engine to use.)3.503 F 1.004(The a)6.004 F -.25(va)-.2 G
1.004(ilable v).25 F 1.004(alues depend on the OpenSSL v)-.25 F(er)-.15
E(-)-.2 E(sion ag)174 328.8 Q(ainst which)-.05 E F2(sendmail)2.5 E F1
(is compiled, see)2.5 E(openssl engine -v)214 345 Q
(for some information.)174 361.2 Q(SSLEngineP)102 377.4 Q 6.31(ath P)
-.15 F .632(ath to dynamic library for SSL engine.)-.15 F .631
(This option is only useful if)5.632 F F2(SSLEngine)3.131 E F1 .484
(is set.)174 389.4 R .484(If both are set, the engine will be loaded dy\
namically at runtime using the)5.484 F .164
(concatenation of the path, a slash "/", the string "lib", the v)174
401.4 R .164(alue of)-.25 F F2(SSLEngine)2.664 E F1 2.664(,a)C(nd)-2.664
E .874(the string ".so".)174 413.4 R .874(If only)5.874 F F2(SSLEngine)
3.374 E F1 .875(is set then the static v)3.375 F .875
(ersion of the engine is)-.15 F(used.)174 425.4 Q(StatusFile=)102 441.6
Q F2(\214le)A F1 .524([S] Log summary statistics in the named)14.13 F F2
(\214le)3.024 E F1 5.524(.I)C 3.023(fn)-5.524 G 3.023<6f8c>-3.023 G .523
(le name is speci\214ed, "statis-)-3.023 F .547(tics" is used.)174 453.6
R .547(If not set, no summary statistics are sa)5.547 F -.15(ve)-.2 G
3.048(d. This).15 F .548(\214le does not gro)3.048 F(w)-.25 E(in size.)
174 465.6 Q(It can be printed using the)5 E F2(mailstats)2.5 E F1
(\(8\) program.)A 28.4(SuperSafe [s])102 481.8 R .364
(This option can be set to T)2.864 F .364(rue, F)-.35 F .364
(alse, Interacti)-.15 F -.15(ve)-.25 G 2.864(,o).15 G 2.864(rP)-2.864 G
(ostMilter)-2.864 E 5.364(.I)-.55 G 2.864(fs)-5.364 G .364(et to T)
-2.864 F(rue,)-.35 E F2(sendmail)174 493.8 Q F1 .116(will be super)2.616
F .116(-safe when running things, i.e., al)-.2 F -.1(wa)-.1 G .117
(ys instantiate the queue).1 F .118(\214le, e)174 505.8 R -.15(ve)-.25 G
2.618(ni).15 G 2.618(fy)-2.618 G .118
(ou are going to attempt immediate deli)-2.618 F -.15(ve)-.25 G(ry).15 E
(.)-.65 E F2(Sendmail)5.117 E F1(al)2.617 E -.1(wa)-.1 G .117
(ys instan-).1 F .087(tiates the queue \214le before returning control \
to the client under an)174 517.8 R 2.588(yc)-.15 G(ircumstances.)-2.588
E 1.3(This should really)174 529.8 R F2(always)3.8 E F1 1.299
(be set to T)3.799 F 3.799(rue. The)-.35 F(Interacti)3.799 E 1.599 -.15
(ve v)-.25 H 1.299(alue has been intro-)-.1 F .221
(duced in 8.12 and can be used together with)174 541.8 R F0(Deli)2.722 E
-.1(ve)-.1 G(ryMode=i).1 E F1 5.222(.I)C 2.722(ts)-5.222 G .222
(kips some syn-)-2.722 F 1.533(chronization calls which are ef)174 553.8
R(fecti)-.25 E -.15(ve)-.25 G 1.533(ly doubled in the code e).15 F -.15
(xe)-.15 G 1.532(cution path for).15 F .335(this mode.)174 565.8 R .336
(If set to PostMilter)5.335 F(,)-.4 E F2(sendmail)2.836 E F1 .336
(defers synchronizing the queue \214le until)2.836 F(an)174 577.8 Q
3.788(ym)-.15 G 1.288(ilters ha)-3.788 F 1.588 -.15(ve s)-.2 H 1.287
(ignaled acceptance of the message.).15 F 1.287
(PostMilter is useful only)6.287 F(when)174 589.8 Q F2(sendmail)3.821 E
F1 1.321(is running as an SMTP serv)3.821 F 1.322
(er; in all other situations it acts the)-.15 F(same as T)174 601.8 Q
(rue.)-.35 E(TLSF)102 618 Q(allbacktoClear)-.15 E .716
([no short name] If set,)174 630 R F2(sendmail)3.216 E F1 .715
(immediately tries an outbound connection ag)3.215 F(ain)-.05 E .61
(without ST)174 642 R(AR)-.93 E .61(TTLS after a TLS handshak)-.6 F 3.11
(ef)-.1 G 3.11(ailure. Note:)-3.21 F .61(this applies to all con-)3.11 F
2.677(nections e)174 654 R -.15(ve)-.25 G 5.177(ni).15 G 5.177(fT)-5.177
G 2.676(LS speci\214c requirements are set \(see rulesets)-5.177 F F2
(tls_r)5.176 E(cpt)-.37 E F1(and)5.176 E F2(tls_client)174 666 Q F1
4.866(\). Hence)4.866 F 2.367
(such requirements will cause an error on a retry without)4.866 F(ST)174
678 Q(AR)-.93 E 3.551(TTLS. Therefore)-.6 F(the)3.551 E 3.551(ys)-.15 G
1.051(hould only trigger a temporary f)-3.551 F 1.051
(ailure so the con-)-.1 F(nection is later on tried ag)174 690 Q(ain.)
-.05 E 6.16(TLSSrvOptions [no)102 706.2 R .238
(short name] List of options for SMTP ST)2.737 F(AR)-.93 E .238
(TTLS for the serv)-.6 F .238(er consisting of)-.15 F .18
(single characters with interv)174 718.2 R .18
(ening white space or commas.)-.15 F .18(The \215ag `)5.18 F(`V')-.74 E
2.68('d)-.74 G(isables)-2.68 E 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-80 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF .51
(client v)174 96 R .511(eri\214cation, and hence it is not possible to \
use a client certi\214cate for relay-)-.15 F 3.919(ing. The)174 108 R
1.419(\215ag `)3.919 F(`C')-.74 E 3.919('r)-.74 G(emo)-3.919 E -.15(ve)
-.15 G 3.919(st).15 G 1.419(he requirement for the TLS serv)-3.919 F
1.418(er to ha)-.15 F 1.718 -.15(ve a c)-.2 H(ert.).15 E .386
(This only w)174 120 R .386(orks under v)-.1 F .386
(ery speci\214c circumstances and should only be used if the)-.15 F
(consequences are understood, e.g., clients may not w)174 132 Q
(ork with a serv)-.1 E(er using this.)-.15 E -.7(Te)102 148.2 S
(mpFileMode=).7 E/F2 10/Times-Italic@0 SF(mode)A F1 .062
([F] The \214le mode for transcript \214les, \214les to which)174 160.2
R F2(sendmail)2.561 E F1(deli)2.561 E -.15(ve)-.25 G .061(rs directly)
.15 F 2.561<2c8c>-.65 G(les)-2.561 E .61(in the)174 172.2 R F0
(HostStatusDir)3.11 E(ectory)-.18 E F1 3.11(,a)C(nd)-3.11 E F0
(StatusFile)3.11 E F1 5.61(.I)C 3.11(ti)-5.61 G 3.11(si)-3.11 G .61
(nterpreted in octal by def)-3.11 F(ault.)-.1 E(Def)174 184.2 Q
(aults to 0600.)-.1 E -.35(Ti)102 200.4 S(meout.).35 E F2(type)A F1(=)A
F2(timeout)1.666 E F1 .417
([r; subsumes old T option as well] Set timeout v)174 212.4 R 2.917
(alues. F)-.25 F .417(or more information, see)-.15 F(section 4.1.)174
224.4 Q -.35(Ti)102 240.6 S(meZoneSpec=).35 E F2(tzinfo)A F1 .218
([t] Set the local time zone info to)174 252.6 R F2(tzinfo)2.718 E F1
2.718<8a66>2.718 G .218(or e)-2.718 F .218(xample, \231PST8PDT\232.)-.15
F(Actually)5.218 E 2.718(,i)-.65 G(f)-2.718 E 1.346
(this is not set, the TZ en)174 264.6 R 1.346(vironment v)-.4 F 1.346
(ariable is cleared \(so the system def)-.25 F 1.345(ault is)-.1 F .208
(used\); if set b)174 276.6 R .208(ut null, the user')-.2 F 2.708(sT)
-.55 G 2.708(Zv)-2.708 G .208
(ariable is used, and if set and non-null the TZ)-2.958 F -.25(va)174
288.6 S(riable is set to this v).25 E(alue.)-.25 E -.35(Tr)102 304.8 S
(ustedUser=).35 E F2(user)A F1 3.753([no short name] The).06 F F2(user)
6.253 E F1 3.752(parameter may be a user name \(look)6.252 F 3.752
(ed up in)-.1 F F2(/etc/passwd)174 316.8 Q F1 2.742(\)o)C 2.742(ran)
-2.742 G .242(umeric user id.)-2.742 F -.35(Tr)5.242 G .242
(usted user for \214le o).35 F .243(wnership and starting the)-.25 F
3.78(daemon. If)174 328.8 R 1.279
(set, generated alias databases and the control sock)3.779 F 1.279
(et \(if con\214gured\))-.1 F(will automatically be o)174 340.8 Q
(wned by this user)-.25 E(.)-.55 E -.35(Tr)102 357 S 5.96
(yNullMXList [w]).35 F .114
(If this system is the \231best\232 \(that is, lo)2.613 F .114
(west preference\) MX for a gi)-.25 F -.15(ve)-.25 G 2.614(nh).15 G .114
(ost, its)-2.614 F 1.168(con\214guration rules should normally detect t\
his situation and treat that condition)174 369 R .257(specially by forw)
174 381 R .258
(arding the mail to a UUCP feed, treating it as local, or whate)-.1 F
-.15(ve)-.25 G -.55(r.).15 G(Ho)174 393 Q(we)-.25 E -.15(ve)-.25 G 1.686
-.4(r, i).15 H 3.386(ns).4 G .886(ome cases \(such as Internet \214re)
-3.386 F -.1(wa)-.25 G .886(lls\) you may w).1 F .885
(ant to try to con-)-.1 F .07
(nect directly to that host as though it had no MX records at all.)174
405 R .07(Setting this option)5.07 F(causes)174 417 Q F2(sendmail)3.014
E F1 .514(to try this.)3.014 F .514(The do)5.514 F .514
(wnside is that errors in your con\214guration are)-.25 F(lik)174 429 Q
2.116(ely to be diagnosed as \231host unkno)-.1 F 2.116
(wn\232 or \231message timed out\232 instead of)-.25 F
(something more meaningful.)174 441 Q(This option is disrecommended.)5 E
(UnixFromLine=)102 457.2 Q F2(fr)A(omline)-.45 E F1 .236
([$l macro] De\214nes the format used when)174 469.2 R F2(sendmail)2.736
E F1 .236(must add a UNIX-style From_)2.736 F 1.324
(line \(that is, a line be)174 481.2 R 1.325
(ginning \231From<space>user\232\).)-.15 F(Def)6.325 E 1.325
(aults to \231From $g)-.1 F($d\232.)6.325 E(Don')174 493.2 Q 2.646(tc)
-.18 G .146(hange this unless your system uses a dif)-2.646 F .146
(ferent UNIX mailbox format \(v)-.25 F(ery)-.15 E(unlik)174 505.2 Q
(ely\).)-.1 E(UnsafeGroupWrites)102 521.4 Q .085
([no short name] If set \(def)174 533.4 R .085
(ault\), :include: and .forw)-.1 F .086
(ard \214les that are group writable)-.1 F .655
(are considered \231unsafe\232, that is, the)174 545.4 R 3.155(yc)-.15 G
.654(annot reference programs or write directly)-3.155 F .536
(to \214les.)174 557.4 R -.8(Wo)5.536 G .536
(rld writable :include: and .forw).8 F .537(ard \214les are al)-.1 F -.1
(wa)-.1 G .537(ys unsafe.).1 F .537(Note: use)5.537 F F0
(DontBlameSendmail)174 569.4 Q F1(instead; this option is deprecated.)
2.5 E(UseCompressedIPv6Addresses)102 585.6 Q .09([no short name] If set\
, the compressed format of IPv6 addresses, such as IPV6:::1,)174 597.6 R
(will be used, instead of the uncompressed format, such as IPv6:0:0:0:0\
:0:0:0:1.)174 609.6 Q(UseErrorsT)102 625.8 Q 21.15(o[)-.8 G .826
(l] If there is an \231Errors-T)-21.15 F .826(o:\232 header)-.8 F 3.326
(,s)-.4 G .826(end error messages to the addresses listed)-3.326 F 3.135
(there. The)174 637.8 R 3.135(yn)-.15 G .635(ormally go to the en)-3.135
F -.15(ve)-.4 G .635(lope sender).15 F 5.635(.U)-.55 G .634
(se of this option causes)-5.635 F F2(send-)3.134 E(mail)174 649.8 Q F1
(to violate RFC 1123.)2.5 E
(This option is disrecommended and deprecated.)5 E(UserDatabaseSpec=)102
666 Q F2(udbspec)A F1([U] The user database speci\214cation.)174 678 Q
-1.11(Ve)102 694.2 S 37.29(rbose [v])1.11 F .56(Run in v)3.06 F .561
(erbose mode.)-.15 F .561(If this is set,)5.561 F F2(sendmail)3.061 E F1
.561(adjusts options)3.061 F F0(HoldExpensi)3.061 E -.1(ve)-.1 G F1
(\(old)174 706.2 Q F0(c)2.636 E F1 2.636(\)a)C(nd)-2.636 E F0(Deli)2.636
E -.1(ve)-.1 G(ryMode).1 E F1(\(old)2.636 E F0(d)2.636 E F1 2.635(\)s)C
2.635(ot)-2.635 G .135(hat all mail is deli)-2.635 F -.15(ve)-.25 G .135
(red completely in a sin-).15 F 1.244
(gle job so that you can see the entire deli)174 718.2 R -.15(ve)-.25 G
1.244(ry process.).15 F(Option)6.244 E F0 -1(Ve)3.744 G(rbose)1 E F1
(should)3.744 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-81)195.86 E/F1 10/Times-Italic@0 SF(ne)174 96 Q(ver)-.15 E/F2 10
/Times-Roman@0 SF 1.269(be set in the con\214guration \214le; it is int\
ended for command line use only)3.77 F(.)-.65 E .435
(Note that the use of option)174 108 R F0 -1(Ve)2.935 G(rbose)1 E F2
.435(can cause authentication information to leak,)2.935 F .015
(if you use a sendmail client to authenticate to a serv)174 120 R(er)
-.15 E 5.015(.I)-.55 G 2.515(ft)-5.015 G .015(he authentication mech-)
-2.515 F .935(anism uses plain te)174 132 R .936(xt passw)-.15 F .936
(ords \(as with LOGIN or PLAIN\), then the passw)-.1 F(ord)-.1 E 1.418
(could be compromised.)174 144 R 3.017 -.8(To a)6.418 H -.2(vo).6 G
1.417(id this, do not install sendmail set-user).2 F 1.417(-ID root,)-.2
F(and disable the)174 156 Q F0(VERB)2.5 E F2
(SMTP command with a suitable)2.5 E F0(Pri)2.5 E -.1(va)-.1 G(cyOptions)
.1 E F2(setting.)2.5 E(XscriptFileBuf)102 172.2 Q(ferSize=)-.25 E F1
(thr)A(eshold)-.37 E F2 1.1([no short name] Set the)174 184.2 R F1(thr)
3.601 E(eshold)-.37 E F2 3.601(,i)C 3.601(nb)-3.601 G 1.101
(ytes, before a memory-based queue tran-)-3.601 F
(script \214le becomes disk-based.)174 196.2 Q(The def)5 E
(ault is 4096 bytes.)-.1 E .109(All options can be speci\214ed on the c\
ommand line using the \255O or \255o \215ag, b)102 212.4 R .108
(ut most will cause)-.2 F F1(send-)2.608 E(mail)102 224.4 Q F2 .663
(to relinquish its set-user)3.163 F .663(-ID permissions.)-.2 F .664
(The options that will not cause this are Se)5.663 F -.15(ve)-.25 G
(nBitIn-).15 E 1.319
(put [7], EightBitMode [8], MinFreeBlocks [b], CheckpointInterv)102
236.4 R 1.319(al [C], Deli)-.25 F -.15(ve)-.25 G 1.319
(ryMode [d], Error).15 F(-)-.2 E .042
(Mode [e], IgnoreDots [i], SendMimeErrors [j], LogLe)102 248.4 R -.15
(ve)-.25 G 2.543(l[).15 G .043(L], MeT)-2.543 F .043
(oo [m], OldStyleHeaders [o], Pri-)-.8 F -.25(va)102 260.4 S -.15(cy).25
G .303(Options [p], SuperSafe [s], V).15 F .302
(erbose [v], QueueSortOrder)-1.11 F 2.802(,M)-.4 G .302(inQueueAge, Def)
-2.802 F .302(aultCharSet, Dial)-.1 F(Delay)102 272.4 Q 7.312(,N)-.65 G
4.812(oRecipientAction, ColonOkInAddr)-7.312 F 7.312(,M)-.4 G 4.812
(axQueueRunSize, SingleLineFromHeader)-7.312 F 7.312(,a)-.4 G(nd)-7.312
E(Allo)102 284.4 Q 3.921(wBogusHELO. Actually)-.25 F 3.921(,P)-.65 G(ri)
-3.921 E -.25(va)-.25 G -.15(cy).25 G 1.421(Options [p] gi).15 F -.15
(ve)-.25 G 3.921(no).15 G 3.921(nt)-3.921 G 1.421
(he command line are added to those)-3.921 F 1.697
(already speci\214ed in the)102 296.4 R F1(sendmail.cf)4.197 E F2 1.697
(\214le, i.e., the)4.197 F 4.197(yc)-.15 G(an')-4.197 E 4.197(tb)-.18 G
4.197(er)-4.197 G 4.198(eset. Also,)-4.197 F 4.198(M\()4.198 G 1.698
(de\214ne macro\) when)-4.198 F
(de\214ning the r or s macros is also considered \231safe\232.)102 308.4
Q F0 2.5(5.7. P)87 332.4 R 2.5<8a50>2.5 G -.18(re)-2.5 G
(cedence De\214nitions).18 E F2 -1.11(Va)127 348.6 S .164
(lues for the \231Precedence:\232 \214eld may be de\214ned using the)
1.11 F F0(P)2.664 E F2 .164(control line.)2.664 F .163
(The syntax of this)5.163 F(\214eld is:)102 360.6 Q F0(P)142 376.8 Q F1
(name)A F0(=)A F1(num)A F2 .383(When the)102 393 R F1(name)2.883 E F2
.384
(is found in a \231Precedence:\232 \214eld, the message class is set to)
2.883 F F1(num)2.884 E F2 5.384(.H)C .384(igher numbers)-5.384 F .85
(mean higher precedence.)102 405 R .85(Numbers less than zero ha)5.85 F
1.15 -.15(ve t)-.2 H .85(he special property that if an error occurs).15
F 1.551(during processing the body of the message will not be returned;\
 this is e)102 417 R 1.552(xpected to be used for)-.15 F<9962>102 429 Q
.462(ulk\232 mail such as through mailing lists.)-.2 F .461(The def)
5.461 F .461(ault precedence is zero.)-.1 F -.15(Fo)5.461 G 2.961(re).15
G .461(xample, our list of)-3.111 F(precedences is:)102 441 Q
(P\214rst-class=0)142 457.2 Q(Pspecial-deli)142 469.2 Q -.15(ve)-.25 G
(ry=100).15 E(Plist=\25530)142 481.2 Q(Pb)142 493.2 Q(ulk=\25560)-.2 E
(Pjunk=\255100)142 505.2 Q 1.058(People writing mailing list e)102 521.4
R 1.058(xploders are encouraged to use \231Precedence: list\232.)-.15 F
1.059(Older v)6.059 F 1.059(ersions of)-.15 F F1(sendmail)102 533.4 Q F2
1.19(\(which discarded all error returns for ne)3.69 F -.05(ga)-.15 G
(ti).05 E 1.49 -.15(ve p)-.25 H 1.19(recedences\) didn').15 F 3.69(tr)
-.18 G 1.19(ecognize this name,)-3.69 F(gi)102 545.4 Q .598
(ving it a def)-.25 F .598(ault precedence of zero.)-.1 F .598
(This allo)5.598 F .598
(ws list maintainers to see error returns on both old)-.25 F(and ne)102
557.4 Q 2.5(wv)-.25 G(ersions of)-2.65 E F1(sendmail)2.5 E F2(.)A F0 2.5
(5.8. V)87 581.4 R 2.5<8a43>2.5 G(on\214guration V)-2.5 E(ersion Le)-1 E
-.1(ve)-.15 G(l).1 E F2 3.182 -.8(To p)127 597.6 T(ro).8 E 1.582
(vide compatibility with old con\214guration \214les, the)-.15 F F0(V)
4.081 E F2 1.581(line has been added to de\214ne)4.081 F 1.11(some v)102
609.6 R 1.11(ery basic semantics of the con\214guration \214le.)-.15 F
1.11(These are not intended to be long term sup-)6.11 F .034
(ports; rather)102 621.6 R 2.533(,t)-.4 G(he)-2.533 E 2.533(yd)-.15 G
.033(escribe compatibility features which will probably be remo)-2.533 F
-.15(ve)-.15 G 2.533(di).15 G 2.533(nf)-2.533 G .033(uture releases.)
-2.533 F F0(N.B.:)127 637.8 Q F2 .196(these v)2.696 F(ersion)-.15 E F1
(le)2.696 E(vels)-.15 E F2(ha)2.696 E .496 -.15(ve n)-.2 H .196
(othing to do with the v).15 F(ersion)-.15 E F1(number)2.696 E F2 .197
(on the \214les.)2.696 F -.15(Fo)5.197 G 2.697(re).15 G(xam-)-2.847 E
(ple, as of this writing v)102 649.8 Q
(ersion 10 con\214g \214les \(speci\214cally)-.15 E 2.5(,8)-.65 G
(.10\) used v)-2.5 E(ersion le)-.15 E -.15(ve)-.25 G 2.5(l9c).15 G
(on\214gurations.)-2.5 E 1.102
(\231Old\232 con\214guration \214les are de\214ned as v)127 666 R 1.102
(ersion le)-.15 F -.15(ve)-.25 G 3.602(lo).15 G 3.602(ne. V)-3.602 F
1.102(ersion le)-1.11 F -.15(ve)-.25 G 3.602(lt).15 G 1.302 -.1(wo \214)
-3.602 H 1.102(les mak).1 F 3.602(et)-.1 G(he)-3.602 E(follo)102 678 Q
(wing changes:)-.25 E 12.5(\(1\) Host)107 694.2 R .727(name canoni\214c\
ation \($[ ... $]\) appends a dot if the name is recognized; this gi)
3.226 F -.15(ve)-.25 G 3.227(st).15 G(he)-3.227 E 1.975
(con\214g \214le a w)133.66 706.2 R 1.974(ay of \214nding out if an)-.1
F 1.974(ything matched.)-.15 F(\(Actually)6.974 E 4.474(,t)-.65 G 1.974
(his just initializes the)-4.474 F .738
(\231host\232 map with the \231\255a.)133.66 718.2 R 5.739<9a8d>-.7 G
.739(ag \212 you can reset it to an)-5.739 F .739
(ything you prefer by declaring the)-.15 F 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-82 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF(map e)
133.66 96 Q(xplicitly)-.15 E(.\))-.65 E 12.5(\(2\) Def)107 112.2 R .385
(ault host name e)-.1 F .385
(xtension is consistent throughout processing; v)-.15 F .384(ersion le)
-.15 F -.15(ve)-.25 G 2.884(lo).15 G .384(ne con\214gu-)-2.884 F .83
(rations turned of)133.66 124.2 R 3.33(fd)-.25 G .83(omain e)-3.33 F .83
(xtension \(that is, adding the local domain name\) during certain)-.15
F .4(points in processing.)133.66 136.2 R -1.11(Ve)5.4 G .4(rsion le)
1.11 F -.15(ve)-.25 G 2.9(lt).15 G .6 -.1(wo c)-2.9 H .4
(on\214gurations are e).1 F .4(xpected to include a trailing dot)-.15 F
(to indicate that the name is already canonical.)133.66 148.2 Q 12.5
(\(3\) Local)107 164.4 R .072
(names that are not aliases are passed through a ne)2.572 F 2.572(wd)
-.25 G .072(istinguished ruleset \214v)-2.572 F .072(e; this can)-.15 F
.14(be used to append a local relay)133.66 176.4 R 5.139(.T)-.65 G .139
(his beha)-5.139 F .139(vior can be pre)-.2 F -.15(ve)-.25 G .139
(nted by resolving the local name).15 F .993(with an initial `@'.)133.66
188.4 R .993(That is, something that resolv)5.993 F .993
(es to a local mailer and a user name of)-.15 F .602
(\231vikki\232 will be passed through ruleset \214v)133.66 200.4 R .601
(e, b)-.15 F .601(ut a user name of \231@vikki\232 will ha)-.2 F .901
-.15(ve t)-.2 H .601(he `@').15 F .919
(stripped, will not be passed through ruleset \214v)133.66 212.4 R .919
(e, b)-.15 F .92(ut will otherwise be treated the same as)-.2 F .63
(the prior e)133.66 224.4 R 3.13(xample. The)-.15 F -.15(ex)3.13 G .629
(pectation is that this might be used to implement a polic).15 F 3.129
(yw)-.15 G(here)-3.129 E .734(mail sent to \231vikki\232 w)133.66 236.4
R .734(as handled by a central hub, b)-.1 F .734
(ut mail sent to \231vikki@localhost\232 w)-.2 F(as)-.1 E(deli)133.66
248.4 Q -.15(ve)-.25 G(red directly).15 E(.)-.65 E -1.11(Ve)127 264.6 S
1.383(rsion le)1.11 F -.15(ve)-.25 G 3.883(lt).15 G 1.383
(hree \214les allo)-3.883 F 3.882(w#i)-.25 G 1.382
(nitiated comments on all lines.)-3.882 F 1.382
(Exceptions are backslash)6.382 F(escaped # marks and the $# syntax.)102
276.6 Q -1.11(Ve)127 292.8 S 1.207(rsion le)1.11 F -.15(ve)-.25 G 3.707
(lf).15 G 1.207(our con\214gurations are completely equi)-3.707 F -.25
(va)-.25 G 1.208(lent to le).25 F -.15(ve)-.25 G 3.708(lt).15 G 1.208
(hree for historical rea-)-3.708 F(sons.)102 304.8 Q -1.11(Ve)127 321 S
1.234(rsion le)1.11 F -.15(ve)-.25 G 3.734<6c8c>.15 G 1.534 -.15(ve c)
-3.734 H 1.234(on\214guration \214les change the def).15 F 1.234
(ault de\214nition of)-.1 F F0($w)3.734 E F1 1.234
(to be just the \214rst)3.734 F(component of the hostname.)102 333 Q
-1.11(Ve)127 349.2 S 1.588(rsion le)1.11 F -.15(ve)-.25 G 4.088(ls).15 G
1.588(ix con\214guration \214les change man)-4.088 F 4.088(yo)-.15 G
4.089(ft)-4.088 G 1.589(he local processing options \(such as)-4.089 F
.481(aliasing and matching the be)102 361.2 R .481(ginning of the addre\
ss for `|' characters\) to be mailer \215ags; this allo)-.15 F(ws)-.25 E
1.344(\214ne-grained control o)102 373.2 R -.15(ve)-.15 G 3.844(rt).15 G
1.344(he special local processing.)-3.844 F(Le)6.345 E -.15(ve)-.25 G
3.845(ls).15 G 1.345(ix con\214guration \214les may also use)-3.845 F
1.222(long option names.)102 385.2 R(The)6.222 E F0(ColonOkInAddr)3.722
E F1 1.222(option \(to allo)3.722 F 3.721(wc)-.25 G 1.221
(olons in the local-part of addresses\))-3.721 F(def)102 397.2 Q(aults)
-.1 E F0(on)3.44 E F1 .94(for lo)3.44 F .94(wer numbered con\214guratio\
n \214les; the con\214guration \214le requires some additional)-.25 F
(intelligence to properly handle the RFC 822 group construct.)102 409.2
Q -1.11(Ve)127 425.4 S 1.97(rsion le)1.11 F -.15(ve)-.25 G 4.47(ls).15 G
-2.15 -.25(ev e)-4.47 H 4.47(nc).25 G 1.97
(on\214guration \214les used ne)-4.47 F 4.47(wo)-.25 G 1.97
(ption names to replace old macros \()-4.47 F F0($e)A F1(became)102
437.4 Q F0(SmtpGr)5.547 E(eetingMessage)-.18 E F1(,)A F0($l)5.547 E F1
(became)5.547 E F0(UnixFr)5.547 E(omLine)-.18 E F1 5.548(,a)C(nd)-5.548
E F0($o)5.548 E F1(became)5.548 E F0(OperatorChars)5.548 E F1(.)A .087
(Also, prior to v)102 449.4 R .087(ersion se)-.15 F -.15(ve)-.25 G .087
(n, the).15 F F0(F=q)2.587 E F1 .087
(\215ag \(use 250 instead of 252 return v)2.587 F .086(alue for)-.25 F
/F2 9/Times-Roman@0 SF .086(SMTP VRFY)2.586 F F1(com-)2.586 E(mands\) w)
102 461.4 Q(as assumed.)-.1 E -1.11(Ve)127 477.6 S(rsion le)1.11 E -.15
(ve)-.25 G 2.5(le).15 G(ight con\214guration \214les allo)-2.5 E(w)-.25
E F0($#)2.5 E F1(on the left hand side of ruleset lines.)2.5 E -1.11(Ve)
127 493.8 S .422(rsion le)1.11 F -.15(ve)-.25 G 2.922(ln).15 G .423
(ine con\214guration \214les allo)-2.922 F 2.923(wp)-.25 G .423
(arentheses in rulesets, i.e. the)-2.923 F 2.923(ya)-.15 G .423
(re not treated as)-2.923 F(comments and hence remo)102 505.8 Q -.15(ve)
-.15 G(d.).15 E -1.11(Ve)127 522 S(rsion le)1.11 E -.15(ve)-.25 G 2.5
(lt).15 G(en con\214guration \214les allo)-2.5 E 2.5(wq)-.25 G
(ueue group de\214nitions.)-2.5 E(The)127 538.2 Q F0(V)2.678 E F1 .178
(line may ha)2.678 F .478 -.15(ve a)-.2 H 2.677(no).15 G(ptional)-2.677
E F0(/)2.677 E/F3 10/Times-Italic@0 SF(vendor)A F1 .177
(to indicate that this con\214guration \214le uses modi\214ca-)2.677 F
.866(tions speci\214c to a particular v)102 552.2 R(endor)-.15 E/F4 7
/Times-Roman@0 SF(22)-4 I F1 5.866(.Y)4 K .866(ou may use \231/Berk)
-6.966 F(ele)-.1 E .865(y\232 to emphasize that this con\214gura-)-.15 F
(tion \214le uses the Berk)102 564.2 Q(ele)-.1 E 2.5(yd)-.15 G
(ialect of)-2.5 E F3(sendmail)2.5 E F1(.)A F0 2.5(5.9. K)87 588.2 R 2.5
<8a4b>2.5 G(ey File Declaration)-2.75 E F1
(Special maps can be de\214ned using the line:)127 604.4 Q
(Kmapname mapclass ar)142 620.6 Q(guments)-.18 E(The)102 636.8 Q F3
(mapname)2.75 E F1 .251
(is the handle by which this map is referenced in the re)2.75 F .251
(writing rules.)-.25 F(The)5.251 E F3(mapclass)2.751 E F1(is)2.751 E
1.889(the name of a type of map; these are compiled in to)102 648.8 R F3
(sendmail)4.389 E F1 6.888(.T)C(he)-6.888 E F3(ar)4.388 E(guments)-.37 E
F1 1.888(are interpreted)4.388 F .79(depending on the class; typically)
102 660.8 R 3.29(,t)-.65 G .791(here w)-3.29 F .791(ould be a single ar)
-.1 F .791(gument naming the \214le containing the)-.18 F .32 LW 76
670.4 72 670.4 DL 80 670.4 76 670.4 DL 84 670.4 80 670.4 DL 88 670.4 84
670.4 DL 92 670.4 88 670.4 DL 96 670.4 92 670.4 DL 100 670.4 96 670.4 DL
104 670.4 100 670.4 DL 108 670.4 104 670.4 DL 112 670.4 108 670.4 DL 116
670.4 112 670.4 DL 120 670.4 116 670.4 DL 124 670.4 120 670.4 DL 128
670.4 124 670.4 DL 132 670.4 128 670.4 DL 136 670.4 132 670.4 DL 140
670.4 136 670.4 DL 144 670.4 140 670.4 DL 148 670.4 144 670.4 DL 152
670.4 148 670.4 DL 156 670.4 152 670.4 DL 160 670.4 156 670.4 DL 164
670.4 160 670.4 DL 168 670.4 164 670.4 DL 172 670.4 168 670.4 DL 176
670.4 172 670.4 DL 180 670.4 176 670.4 DL 184 670.4 180 670.4 DL 188
670.4 184 670.4 DL 192 670.4 188 670.4 DL 196 670.4 192 670.4 DL 200
670.4 196 670.4 DL 204 670.4 200 670.4 DL 208 670.4 204 670.4 DL 212
670.4 208 670.4 DL 216 670.4 212 670.4 DL/F5 5/Times-Roman@0 SF(22)93.6
680.8 Q/F6 8/Times-Roman@0 SF .214(And of course, v)3.2 J .214
(endors are encouraged to add themselv)-.12 F .214
(es to the list of recognized v)-.12 F .214
(endors by editing the routine)-.12 F/F7 8/Times-Italic@0 SF(setvendor)
2.214 E F6(in)2.214 E F7(conf)72 693.6 Q(.c)-.12 E F6 4(.P)C
(lease send e-mail to sendmail@Sendmail.ORG to re)-4 E(gister your v)
-.12 E(endor dialect.)-.12 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-83)195.86 E/F1 10/Times-Roman@0 SF(map.)102 96 Q
(Maps are referenced using the syntax:)127 112.2 Q($\()142 128.4 Q/F2 10
/Times-Italic@0 SF(map k)2.5 E -.3(ey)-.1 G F1($@)2.8 E F2(ar)2.5 E
(guments)-.37 E F1($:)2.5 E F2(default)2.5 E F1($\))2.5 E .641
(where either or both of the)102 144.6 R F2(ar)3.141 E(guments)-.37 E F1
(or)3.141 E F2(default)3.141 E F1 .64(portion may be omitted.)3.141 F
(The)5.64 E F2 .64($@ ar)3.14 F(guments)-.37 E F1(may)3.14 E 1.276
(appear more than once.)102 156.6 R 1.276(The indicated)6.276 F F2 -.1
(ke)3.776 G(y)-.2 E F1(and)3.776 E F2(ar)3.776 E(guments)-.37 E F1 1.277
(are passed to the appropriate mapping)3.777 F 3.253(function. If)102
168.6 R .753(it returns a v)3.253 F .753(alue, it replaces the input.)
-.25 F .753(If it does not return a v)5.753 F .753(alue and the)-.25 F
F2(default)3.253 E F1(is)3.253 E(speci\214ed, the)102 180.6 Q F2
(default)2.5 E F1(replaces the input.)2.5 E
(Otherwise, the input is unchanged.)5 E(The)127 196.8 Q F2(ar)4.063 E
(guments)-.37 E F1 1.563(are passed to the map for arbitrary use.)4.063
F 1.564(Most map classes can interpolate)6.564 F .883(these ar)102 208.8
R .883(guments into their v)-.18 F .883(alues using the syntax \231%)
-.25 F F2(n)A F1 3.382<9a28>C(where)-3.382 E F2(n)3.382 E F1 .882
(is a digit\) to indicate the corre-)3.382 F(sponding)102 220.8 Q F2(ar)
2.5 E(gument)-.37 E F1 5(.A)C -.18(rg)-5 G
(ument \231%0\232 indicates the database k).18 E -.15(ey)-.1 G 5(.F)-.5
G(or e)-5.15 E(xample, the rule)-.15 E(R$\255 ! $+)142 237 Q
($: $\(uucp $1 $@ $2 $: $2 @ $1 . UUCP $\))71.72 E 1.269(Looks up the U\
UCP name in a \(user de\214ned\) UUCP map; if not found it turns it int\
o \231.UUCP\232)102 253.2 R 2.5(form. The)102 265.2 R
(database might contain records lik)2.5 E(e:)-.1 E(decv)142 281.4 Q
77.43(ax %1@%0.DEC.COM)-.25 F 72.19(research %1@%0.A)142 293.4 R(TT)
-1.11 E(.COM)-.74 E(Note that)102 309.6 Q F2(default)2.5 E F1
(clauses ne)2.5 E -.15(ve)-.25 G 2.5(rd).15 G 2.5(ot)-2.5 G
(his mapping.)-2.5 E .735(The b)127 325.8 R .735(uilt-in map with both \
name and class \231host\232 is the host name canonicalization lookup.)
-.2 F(Thus, the syntax:)102 337.8 Q($\(host)142 354 Q F2(hostname)2.5 E
F1($\))A(is equi)102 370.2 Q -.25(va)-.25 G(lent to:).25 E($[)142 386.4
Q F2(hostname)A F1($])A(There are man)127 406.8 Q 2.5(yd)-.15 G
(e\214ned classes.)-2.5 E 55.06(cdb Database)102 423 R .087
(lookups using the cdb\(3\) library)2.587 F(.)-.65 E F2(Sendmail)5.087 E
F1 .088(must be compiled with)2.587 F F0(CDB)2.588 E F1(de\214ned.)174
435 Q 51.72(dbm Database)102 451.2 R 1.623
(lookups using the ndbm\(3\) library)4.123 F(.)-.65 E F2(Sendmail)6.623
E F1 1.623(must be compiled with)4.123 F F0(NDBM)174 463.2 Q F1
(de\214ned.)2.5 E 49.51(btree Database)102 479.4 R .677
(lookups using the btree interf)3.177 F .677(ace to the Berk)-.1 F(ele)
-.1 E 3.178(yD)-.15 G 3.178(Bl)-3.178 G(ibrary)-3.178 E(.)-.65 E F2
(Sendmail)5.678 E F1(must be compiled with)174 491.4 Q F0(NEWDB)2.5 E F1
(de\214ned.)2.5 E 51.17(hash Database)102 507.6 R .828
(lookups using the hash interf)3.329 F .828(ace to the Berk)-.1 F(ele)
-.1 E 3.328(yD)-.15 G 3.328(Bl)-3.328 G(ibrary)-3.328 E(.)-.65 E F2
(Sendmail)5.828 E F1(must be compiled with)174 519.6 Q F0(NEWDB)2.5 E F1
(de\214ned.)2.5 E 57.83(nis NIS)102 535.8 R(lookups.)2.5 E F2(Sendmail)5
E F1(must be compiled with)2.5 E F0(NIS)2.5 E F1(de\214ned.)2.5 E 41.16
(nisplus NIS+)102 552 R(lookups.)3.733 E F2(Sendmail)6.233 E F1 1.233
(must be compiled with)3.733 F F0(NISPLUS)3.733 E F1 3.733
(de\214ned. The)3.733 F(ar)3.733 E(gu-)-.18 E .495
(ment is the name of the table to use for lookups, and the)174 564 R F0
<ad6b>2.995 E F1(and)2.995 E F0<ad76>2.995 E F1 .495(\215ags may be)
2.995 F(used to set the k)174 576 Q .3 -.15(ey a)-.1 H(nd v).15 E
(alue columns respecti)-.25 E -.15(ve)-.25 G(ly).15 E(.)-.65 E 43.39
(hesiod Hesiod)102 592.2 R(lookups.)2.5 E F2(Sendmail)5 E F1
(must be compiled with)2.5 E F0(HESIOD)2.5 E F1(de\214ned.)2.5 E 52.28
(ldap LD)102 608.4 R 1.783(AP X500 directory lookups.)-.4 F F2(Sendmail)
6.783 E F1 1.784(must be compiled with)4.283 F F0(LD)4.284 E(APMAP)-.35
E F1 2.966(de\214ned. The)174 620.4 R .466
(map supports most of the standard ar)2.966 F .465
(guments and most of the com-)-.18 F .3(mand line ar)174 632.4 R .3
(guments of the)-.18 F F2(ldapsear)2.8 E -.15(ch)-.37 G F1 2.8
(program. Note)2.95 F .3(that, by def)2.8 F .3(ault, if a single)-.1 F
.629(query matches multiple v)174 644.4 R .629
(alues, only the \214rst v)-.25 F .628(alue will be returned unless the)
-.25 F F0<ad7a>3.128 E F1(\(v)174 656.4 Q 1.22
(alue separator\) map option is set.)-.25 F 1.22(Also, the)6.22 F F0
<ad31>3.72 E F1 1.22(map \215ag will treat a multiple)3.72 F -.25(va)174
668.4 S(lue return as if there were no matches.).25 E 41.17
(netinfo NeXT)102 684.6 R(NetInfo lookups.)2.5 E F2(Sendmail)5 E F1
(must be compiled with)2.5 E F0(NETINFO)2.5 E F1(de\214ned.)2.5 E(te)102
700.8 Q 54.65(xt T)-.15 F -.15(ex)-.7 G 2.918<748c>.15 G .418
(le lookups.)-2.918 F .418(The format of the te)5.418 F .417
(xt \214le is de\214ned by the)-.15 F F0<ad6b>2.917 E F1(\(k)2.917 E
.717 -.15(ey \214)-.1 H .417(eld num-).15 F(ber\),)174 712.8 Q F0<ad76>
2.5 E F1(\(v)2.5 E(alue \214eld number\), and)-.25 E F0<ad7a>2.5 E F1
(\(\214eld delimiter\) options.)2.5 E 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-84 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF 59.5
(ph PH)102 96 R(query map.)2.5 E(Contrib)5 E
(uted and supported by Mark Roth, roth@uiuc.edu.)-.2 E 55.61(nsd nsd)102
112.2 R 1.599(map for IRIX 6.5 and later)4.099 F 6.599(.C)-.55 G(ontrib)
-6.599 E 1.599(uted and supported by Bob Mende of)-.2 F
(SGI, mende@sgi.com.)174 124.2 Q 53.39(stab Internal)102 140.4 R
(symbol table lookups.)2.5 E(Used internally for aliasing.)5 E 38.38
(implicit Sequentially)102 156.6 R .132(try a list of a)2.632 F -.25(va)
-.2 G .131(ilable map types:).25 F/F2 10/Times-Italic@0 SF(hash)2.631 E
F1(,)A F2(dbm)2.631 E F1 2.631(,a)C(nd)-2.631 E F2(cdb)2.631 E F1 5.131
(.I)C 2.631(ti)-5.131 G 2.631(st)-2.631 G .131(he def)-2.631 F(ault)-.1
E .206(for alias \214les if no class is speci\214ed.)174 168.6 R .207
(If is no matching map type is found, the te)5.206 F(xt)-.15 E -.15(ve)
174 180.6 S(rsion is used for the alias \214le, b).15 E(ut other maps f)
-.2 E(ail to open.)-.1 E 52.84(user Looks)102 196.8 R .477
(up users using)2.977 F F2 -.1(ge)2.977 G(tpwnam).1 E F1 2.977
(\(3\). The)B F0<ad76>2.977 E F1 .476
(\215ag can be used to specify the name)2.976 F .142(of the \214eld to \
return \(although this is normally used only to check the e)174 208.8 R
.142(xistence of)-.15 F 2.5(au)174 220.8 S(ser\).)-2.5 E 52.83
(host Canoni\214es)102 237 R .2(host domain names.)2.7 F(Gi)5.2 E -.15
(ve)-.25 G 2.7(nah).15 G .2(ost name it calls the name serv)-2.7 F .2
(er to \214nd)-.15 F(the canonical name for that host.)174 249 Q 40.61
(bestmx Returns)102 265.2 R 2.478(the best MX record for a host name gi)
4.978 F -.15(ve)-.25 G 4.979(na).15 G 4.979(st)-4.979 G 2.479(he k)
-4.979 F -.15(ey)-.1 G 7.479(.T)-.5 G 2.479(he current)-7.479 F .722
(machine is al)174 277.2 R -.1(wa)-.1 G .721
(ys preferred \212 that is, if the current machine is one of the hosts)
.1 F .218(listed as a lo)174 289.2 R .219
(west-preference MX record, then it will be guaranteed to be returned.)
-.25 F .961(This can be used to \214nd out if this machine is the tar)
174 301.2 R .961(get for an MX record, and)-.18 F .592
(mail can be accepted on that basis.)174 313.2 R .592(If the)5.592 F F0
<ad7a>3.092 E F1 .592(option is gi)3.092 F -.15(ve)-.25 G .592
(n, then all MX names).15 F .361(are returned, separated by the gi)174
325.2 R -.15(ve)-.25 G 2.861(nd).15 G(elimiter)-2.861 E 5.361(.N)-.55 G
.361(ote: the return v)-5.361 F .36(alue is determin-)-.25 F 1.698
(istic, i.e., e)174 337.2 R -.15(ve)-.25 G 4.198(ni).15 G 4.198(fm)
-4.198 G 1.698(ultiple MX records ha)-4.198 F 1.999 -.15(ve t)-.2 H
1.699(he same preference, the).15 F 4.199(yw)-.15 G 1.699(ill be)-4.199
F(returned in the same order)174 349.2 Q(.)-.55 E 55.61(dns This)102
365.4 R 2.248
(map requires the option -R to specify the DNS resource record type to)
4.748 F 3.479(lookup. The)174 377.4 R(follo)3.479 E .979
(wing types are supported: A, AAAA, AFSDB, CN)-.25 F .979(AME, MX,)-.35
F .107(NS, PTR, SR)174 389.4 R 2.687 -1.29(V, a)-.8 H .107(nd TXT)1.29 F
5.107(.A)-.74 G .107(map lookup will return only one record unless the)
-2.5 F F0<ad7a>2.606 E F1(\(v)174 401.4 Q .11
(alue separator\) option is set.)-.25 F .111
(Hence for some types, e.g., MX records, the return)5.111 F -.25(va)174
413.4 S 1.052(lue might be a random element of the results due to rando\
mizing in the DNS).25 F(resolv)174 425.4 Q(er)-.15 E 2.5(,i)-.4 G 2.5
(fo)-2.5 G(nly one element is returned.)-2.5 E 52.29(arpa Returns)102
441.6 R .723(the `)3.223 F(`re)-.74 E -.15(ve)-.25 G(rse').15 E 3.223
('f)-.74 G .723(or the gi)-3.223 F -.15(ve)-.25 G 3.223(nI).15 G 3.224
(P\()-3.223 G .724(IPv4 or IPv6\) address, i.e., the string for)-3.224 F
.431(the PTR lookup, b)174 453.6 R .431(ut without trailing)-.2 F F0
(ip6.ar)2.931 E(pa)-.1 E F1(or)2.931 E F0(in-addr)2.931 E(.ar)-1 E(pa)
-.1 E F1 5.431(.F)C .431(or e)-5.581 F .43(xample, the)-.15 F(follo)174
465.6 Q(wing con\214guration lines:)-.25 E(Karpa arpa)214 481.8 Q(SArpa)
214 493.8 Q 88.19(R$+ $:)214 505.8 R($\(arpa $1 $\))2.5 E -.1(wo)174 522
S(rk lik).1 E 2.5(et)-.1 G(his in test mode:)-2.5 E(sendmail -bt)214
538.2 Q(ADDRESS TEST MODE \(ruleset 3 NO)214 550.2 Q 2.5(Ta)-.4 G
(utomatically in)-2.5 E -.2(vo)-.4 G -.1(ke).2 G(d\)).1 E
(Enter <ruleset> <address>)214 562.2 Q 2.5(>A)214 574.2 S
(rpa IPv6:1:2:dead:beef:9876:0:0:1)-2.5 E 35(Arpa input:)214 586.2 R
(IPv6 : 1 : 2 : dead : beef : 9876 : 0 : 0 : 1)2.5 E 30(Arpa returns:)
214 598.2 R 2.5
(1.0.0.0.0.0.0.0.0.0.0.0.6.7.8.9.f.e.e.b.d.a.e.d.2.0.0.0.1.0.0.0)2.5 G
2.5(>A)214 610.2 S(rpa 1.2.3.4)-2.5 E 35(Arpa input:)214 622.2 R 2.5
(1.2.3.4)2.5 G 30(Arpa returns:)214 634.2 R 2.5(4.3.2.1)2.5 G 32.85
(sequence The)102 654.6 R(ar)3.349 E .849(guments on the `K' line are a\
 list of maps; the resulting map searches the)-.18 F(ar)174 666.6 Q .439
(gument maps in order until it \214nds a match for the indicated k)-.18
F -.15(ey)-.1 G 5.438(.F)-.5 G .438(or e)-5.588 F(xample,)-.15 E
(if the k)174 678.6 Q .3 -.15(ey d)-.1 H(e\214nition is:).15 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-85)195.86 E/F1 10/Times-Roman@0 SF(Kmap1 ...)214 96 Q(Kmap2 ...)
214 108 Q(Kseqmap sequence map1 map2)214 120 Q .968(then a lookup ag)174
136.2 R .968(ainst \231seqmap\232 \214rst does a lookup in map1.)-.05 F
.968(If that is found, it)5.968 F(returns immediately)174 148.2 Q 5(.O)
-.65 G(therwise, the same k)-5 E .3 -.15(ey i)-.1 H 2.5(su).15 G
(sed for map2.)-2.5 E 43.94(syslog the)102 164.4 R -.1(ke)2.5 G 2.5(yi)
-.05 G 2.5(sl)-2.5 G(ogged via)-2.5 E/F2 10/Times-Italic@0 SF(syslo)2.5
E(gd)-.1 E F1 2.5(\(8\). The)1.666 F(lookup returns the empty string.)
2.5 E 43.39(switch Much)102 180.6 R(lik)2.801 E 2.801(et)-.1 G .301
(he \231sequence\232 map e)-2.801 F .301
(xcept that the order of maps is determined by the)-.15 F .391
(service switch.)174 192.6 R .391(The ar)5.391 F .391
(gument is the name of the service to be look)-.18 F .392(ed up; the v)
-.1 F(al-)-.25 E 1.492
(ues from the service switch are appended to the map name to create ne)
174 204.6 R 3.992(wm)-.25 G(ap)-3.992 E 2.5(names. F)174 216.6 R(or e)
-.15 E(xample, consider the k)-.15 E .3 -.15(ey d)-.1 H(e\214nition:).15
E(Kali switch aliases)214 232.8 Q
(together with the service switch entry:)174 249 Q 78.84(aliases nis)214
265.2 R(\214les)2.5 E 1.633(This causes a query ag)174 281.4 R 1.633
(ainst the map \231ali\232 to search maps named \231ali.nis\232 and)-.05
F(\231ali.\214les\232 in that order)174 293.4 Q(.)-.55 E 37.84
(dequote Strip)102 309.6 R .961(double quotes \("\) from a name.)3.461 F
.96(It does not strip backslashes, and will not)5.961 F .172
(strip quotes if the resulting string w)174 321.6 R .173
(ould contain unscannable syntax \(that is, basic)-.1 F .386(errors lik)
174 333.6 R 2.886(eu)-.1 G .386(nbalanced angle brack)-2.886 F .386
(ets; more sophisticated errors such as unkno)-.1 F(wn)-.25 E .251
(hosts are not check)174 345.6 R 2.751(ed\). The)-.1 F .251
(intent is for use when trying to accept mail from sys-)2.751 F
(tems such as DECnet that routinely quote odd syntax such as)174 357.6 Q
("49ers::ubell")214 373.8 Q 2.5(At)174 390 S
(ypical usage is probably something lik)-2.5 E(e:)-.1 E
(Kdequote dequote)214 406.2 Q(...)214 430.2 Q 88.19(R$\255 $:)214 454.2
R($\(dequote $1 $\))2.5 E(R$\255 $+)214 466.2 Q($: $>3 $1 $2)77.55 E
(Care must be tak)174 482.4 Q(en to pre)-.1 E -.15(ve)-.25 G(nt une).15
E(xpected results; for e)-.15 E(xample,)-.15 E
("|someprogram < input > output")214 498.6 Q 1.31(will ha)174 514.8 R
1.61 -.15(ve q)-.2 H 1.31(uotes stripped, b).15 F 1.31
(ut the result is probably not what you had in mind.)-.2 F -.15(Fo)174
526.8 S(rtunately these cases are rare.).15 E(re)102 543 Q(ge)-.15 E
50.09(xT)-.15 G .488(he map de\214nition on the)-50.09 F F0(K)2.988 E F1
.489(line contains a re)2.988 F .489(gular e)-.15 F 2.989(xpression. An)
-.15 F 2.989(yk)-.15 G .789 -.15(ey i)-3.089 H .489(nput is).15 F 1.454
(compared to that e)174 555 R 1.454(xpression using the POSIX re)-.15 F
1.454(gular e)-.15 F 1.454(xpressions routines re)-.15 F(g-)-.15 E .29
(comp\(\), re)174 567 R .291(gerr\(\), and re)-.15 F(ge)-.15 E -.15(xe)
-.15 G 2.791(c\(\). Refer).15 F .291
(to the documentation for those routines for)2.791 F .356
(more information about the re)174 579 R .356(gular e)-.15 F .355
(xpression matching.)-.15 F .355(No re)5.355 F .355(writing of the k)
-.25 F -.15(ey)-.1 G .074(is done if the)174 591 R F0<ad6d>2.574 E F1
.074(\215ag is used.)2.574 F -.4(Wi)5.074 G .074(thout it, the k).4 F
.375 -.15(ey i)-.1 H 2.575(sd).15 G .075(iscarded or if)-2.575 F F0
<ad73>2.575 E F1 .075(if used, it is)2.575 F .905
(substituted by the substring matches, delimited by)174 603 R F0($|)
3.405 E F1 .905(or the string speci\214ed with)3.405 F(the the)174 615 Q
F0<ad64>2.5 E F1 2.5(option. The)2.5 F(options a)2.5 E -.25(va)-.2 G
(ilable for the map are).25 E 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-86 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF 9.17
(-n not)214 96 R 10.84(-f case)214 108 R(sensiti)2.5 E -.15(ve)-.25 G
9.17(-b basic)214 120 R(re)2.5 E(gular e)-.15 E(xpressions \(def)-.15 E
(ault is e)-.1 E(xtended\))-.15 E 10.28(-s substring)214 132 R(match)2.5
E 9.17(-d set)214 144 R(the delimiter string used for -s)2.5 E 9.73
(-a append)214 156 R(string to k)2.5 E -.15(ey)-.1 G 6.39(-m match)214
168 R(only)2.5 E 2.5(,d)-.65 G 2.5(on)-2.5 G(ot replace/discard v)-2.5 E
(alue)-.25 E 6.95(-D perform)214 180 R(no lookup in deferred deli)2.5 E
-.15(ve)-.25 G(ry mode.).15 E(The)174 196.2 Q F0<ad73>3.208 E F1 .709(o\
ption can include an optional parameter which can be used to select the)
3.208 F(substrings in the result of the lookup.)174 208.2 Q -.15(Fo)5 G
2.5(re).15 G(xample,)-2.65 E(-s1,3,4)214 224.4 Q .272
(The delimiter string speci\214ed via the)174 240.6 R F0<ad64>2.772 E F1
.271(option is the sequence of characters after)2.772 F F0(d)174 252.6 Q
F1 .412(ending at the \214rst space.)2.912 F .412(Hence it isn')5.412 F
2.912(tp)-.18 G .412(ossible to specify a space as delimiter)-2.912 F(,)
-.4 E .641(so if the option is immediately follo)174 264.6 R .641
(wed by a space the delimiter string is empty)-.25 F(,)-.65 E
(which means the substrings are joined.)174 276.6 Q .696
(Notes: to match a)174 300.6 R F0($)3.197 E F1 .697
(in a string, \\$$ must be used.)3.197 F .697
(If the pattern contains spaces,)5.697 F(the)174 312.6 Q 4.425(ym)-.15 G
1.924(ust be replaced with the blank substitution character)-4.425 F
4.424(,u)-.4 G 1.924(nless it is space)-4.424 F(itself.)174 324.6 Q
35.62(program The)102 340.8 R(ar)2.544 E .044(guments on the)-.18 F F0
(K)2.544 E F1 .045(line are the pathname to a program and an)2.544 F
2.545(yi)-.15 G .045(nitial param-)-2.545 F .176(eters to be passed.)174
352.8 R .176(When the map is called, the k)5.176 F .475 -.15(ey i)-.1 H
2.675(sa).15 G .175(dded to the initial parame-)-2.675 F .112
(ters and the program is in)174 364.8 R -.2(vo)-.4 G -.1(ke).2 G 2.612
(da).1 G 2.612(st)-2.612 G .112(he def)-2.612 F .112
(ault user/group id.)-.1 F .112(The \214rst line of stan-)5.112 F .508
(dard output is returned as the v)174 376.8 R .508(alue of the lookup.)
-.25 F .508(This has man)5.508 F 3.007(yp)-.15 G .507(otential secu-)
-3.007 F 1.277(rity problems, and has terrible performance; it should b\
e used only when abso-)174 388.8 R(lutely necessary)174 400.8 Q(.)-.65 E
44.51(macro Set)102 417 R .32(or clear a macro v)2.82 F 2.82(alue. T)
-.25 F 2.82(os)-.8 G .32(et a macro, pass the v)-2.82 F .32
(alue as the \214rst ar)-.25 F .32(gument in)-.18 F .938
(the map lookup.)174 429 R 2.538 -.8(To c)5.938 H .939
(lear a macro, do not pass an ar).8 F .939(gument in the map lookup.)
-.18 F(The map al)174 441 Q -.1(wa)-.1 G(ys returns the empty string.).1
E(Example of typical usage include:)5 E(Kstorage macro)214 457.2 Q(...)
214 481.2 Q 2.5(#s)214 505.2 S(et macro ${MyMacro} to the ruleset match)
-2.5 E .19(R$+ $:)214 517.2 R($\(storage {MyMacro} $@ $1 $\) $1)2.5 E
2.5(#s)214 529.2 S(et macro ${MyMacro} to an empty string)-2.5 E .83
(R$* $:)214 541.2 R($\(storage {MyMacro} $@ $\) $1)2.5 E 2.5(#c)214
553.2 S(lear macro ${MyMacro})-2.5 E .19(R$\255 $:)214 565.2 R
($\(storage {MyMacro} $\) $1)2.5 E 51.17(arith Perform)102 585.6 R .494
(simple arithmetic operations.)2.994 F .494(The operation is gi)5.494 F
-.15(ve)-.25 G 2.993(na).15 G 2.993(sk)-2.993 G -.15(ey)-3.093 G 2.993
(,c)-.5 G .493(urrently +,)-2.993 F .245(-, *, /, %, |, & \(bitwise OR,\
 AND\), l \(for less than\), =, and r \(for random\) are sup-)174 597.6
R 3.21(ported. The)174 609.6 R(tw)3.21 E 3.21(oo)-.1 G .71
(perands are gi)-3.21 F -.15(ve)-.25 G 3.21(na).15 G 3.21(sa)-3.21 G
-.18(rg)-3.21 G 3.21(uments. The).18 F .71(lookup returns the result)
3.21 F 1.374(of the computation, i.e.,)174 621.6 R/F2 9/Times-Roman@0 SF
(TR)3.874 E(UE)-.36 E F1(or)3.874 E F2 -.666(FA)3.874 G(LSE).666 E F1
1.374(for comparisons, inte)3.874 F 1.374(ger v)-.15 F 1.374
(alues other)-.25 F(-)-.2 E 3.212(wise. The)174 633.6 R 3.212(ro)3.212 G
.712(perator returns a pseudo-random number whose v)-3.212 F .711
(alue lies between)-.25 F .538(the \214rst and second operand \(which r\
equires that the \214rst operand is smaller than)174 645.6 R 2.134
(the second\).)174 657.6 R 2.133
(All options which are possible for maps are ignored.)7.134 F 4.633(As)
7.133 G(imple)-4.633 E -.15(ex)174 669.6 S(ample is:).15 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-87)195.86 E/F1 10/Times-Roman@0 SF(Kcomp arith)214 96 Q(...)214
120 Q(Scheck_etrn)214 144 Q .83(R$* $:)214 156 R($\(comp l $@ $&{load_a)
2.5 E(vg} $@ 7 $\) $1)-.2 E(RF)214 168 Q(ALSE$# error ...)-.74 E(sock)
102 188.4 Q 44.05(et The)-.1 F(sock)3.231 E .732
(et map uses a simple request/reply protocol o)-.1 F -.15(ve)-.15 G
3.232(rT).15 G .732(CP or UNIX domain)-3.232 F(sock)174 200.4 Q .753
(ets to query an e)-.1 F .753(xternal serv)-.15 F(er)-.15 E 5.753(.B)
-.55 G .753(oth requests and replies are te)-5.753 F .753(xt based and)
-.15 F(encoded as netstrings, i.e., a string "hello there" becomes:)174
212.4 Q(11:hello there,)214 228.6 Q
(Note: neither requests nor replies end with CRLF)174 244.8 Q(.)-.8 E
.301(The request consists of the database map name and the lookup k)174
268.8 R .601 -.15(ey s)-.1 H .301(eparated by a).15 F(space character:)
174 280.8 Q(<mapname> ' ' <k)214 309 Q -.15(ey)-.1 G(>).15 E(The serv)
174 337.2 Q(er responds with a status indicator and the result \(if an)
-.15 E(y\):)-.15 E(<status> ' ' <result>)214 365.4 Q .161(The status in\
dicator speci\214es the result of the lookup operation itself and is on\
e of)174 393.6 R(the follo)174 405.6 Q(wing upper case w)-.25 E(ords:)
-.1 E 28.06(OK the)214 421.8 R -.1(ke)2.5 G 2.5(yw)-.05 G
(as found, result contains the look)-2.6 E(ed up v)-.1 E(alue)-.25 E(NO)
214 433.8 Q(TFOUNDthe k)-.4 E .3 -.15(ey w)-.1 H
(as not found, the result is empty).05 E 15.83(TEMP a)214 445.8 R
(temporary f)2.5 E(ailure occurred)-.1 E -2.49(TIMEOUT a)214 457.8 R
(timeout occurred on the serv)2.5 E(er side)-.15 E 15.27(PERM a)214
469.8 R(permanent f)2.5 E(ailure occurred)-.1 E .26
(In case of errors \(status TEMP)174 498 R 2.76(,T)-1.11 G .26
(IMEOUT or PERM\) the result \214eld may contain)-2.76 F .819(an e)174
510 R .819(xplanatory message.)-.15 F(Ho)5.818 E(we)-.25 E -.15(ve)-.25
G 1.618 -.4(r, t).15 H .818(he e).4 F .818
(xplanatory message is not used an)-.15 F 3.318(yf)-.15 G(ur)-3.318 E(-)
-.2 E(ther by)174 522 Q/F2 10/Times-Italic@0 SF(sendmail)2.5 E F1(.)A
(Example replies:)174 546 Q(31:OK resolv)214 562.2 Q(ed.address@e)-.15 E
(xample.com,)-.15 E
(56:OK error:550 5.7.1 User does not accept mail from sender)214 594.6 Q
(,)-.4 E(in case of successful lookups, or:)174 622.8 Q(8:NO)214 639 Q
(TFOUND,)-.4 E(in case the k)174 667.2 Q .3 -.15(ey w)-.1 H
(as not found, or:).05 E(55:TEMP this te)214 683.4 Q(xt e)-.15 E
(xplains that we had a temporary f)-.15 E(ailure,)-.1 E
(in case of a temporary map lookup f)174 711.6 Q(ailure.)-.1 E 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-88 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF 1.186
(The sock)174 96 R 1.186(et map uses the same syntax as milters \(see S\
ection "X \212 Mail Filter)-.1 F
(\(Milter\) De\214nitions"\) to specify the remote endpoint, e.g.,)174
108 Q(Ksock)214 124.2 Q(et mySock)-.1 E(etMap inet:12345@127.0.0.1)-.1 E
.493(If multiple sock)174 152.4 R .492
(et maps de\214ne the same remote endpoint, the)-.1 F 2.992(yw)-.15 G
.492(ill share a single)-2.992 F(connection to this endpoint.)174 164.4
Q .488(Most of these accept as ar)127 180.6 R .488
(guments the same optional \215ags and a \214lename \(or a mapname for)
-.18 F .31(NIS; the \214lename is the root of the database path, so tha\
t \231.db\232 or some other e)102 192.6 R .31(xtension appropriate)-.15
F
(for the database type will be added to get the actual database name\).)
102 204.6 Q(Kno)5 E(wn \215ags are:)-.25 E 58.86(\255o Indicates)102
220.8 R 1.148(that this map is optional \212 that is, if it cannot be o\
pened, no error is)3.647 F(produced, and)174 232.8 Q/F2 10
/Times-Italic@0 SF(sendmail)2.5 E F1(will beha)2.5 E .3 -.15(ve a)-.2 H
2.5(si).15 G 2.5(ft)-2.5 G(he map e)-2.5 E(xisted b)-.15 E(ut w)-.2 E
(as empty)-.1 E(.)-.65 E(\255N, \255O)102 249 Q .697(If neither)41.28 F
F0<ad4e>3.197 E F1(or)3.197 E F0<ad4f>3.197 E F1 .697(are speci\214ed,)
3.197 F F2(sendmail)3.197 E F1 .697(uses an adapti)3.197 F .997 -.15
(ve a)-.25 H .697(lgorithm to decide).15 F .108
(whether or not to look for null bytes on the end of k)174 261 R -.15
(ey)-.1 G 2.608(s. It).15 F .108(starts by trying both; if)2.608 F .82
(it \214nds an)174 273 R 3.32(yk)-.15 G 1.12 -.15(ey w)-3.42 H .82
(ith a null byte it ne).15 F -.15(ve)-.25 G 3.319(rt).15 G .819(ries ag)
-3.319 F .819(ain without a null byte and vice)-.05 F -.15(ve)174 285 S
2.827(rsa. If).15 F F0<ad4e>2.827 E F1 .327(is speci\214ed it ne)2.827 F
-.15(ve)-.25 G 2.828(rt).15 G .328(ries without a null byte and if)
-2.828 F F0<ad4f>2.828 E F1 .328(is speci\214ed it)2.828 F(ne)174 297 Q
-.15(ve)-.25 G 2.886(rt).15 G .386(ries with a null byte.)-2.886 F .386
(Setting one of these can speed matches b)5.386 F .386(ut are ne)-.2 F
-.15(ve)-.25 G(r).15 E(necessary)174 309 Q 5.545(.I)-.65 G 3.045(fb)
-5.545 G(oth)-3.045 E F0<ad4e>3.045 E F1(and)3.045 E F0<ad4f>3.045 E F1
.545(are speci\214ed,)3.045 F F2(sendmail)3.045 E F1 .546(will ne)3.046
F -.15(ve)-.25 G 3.046(rt).15 G .546(ry an)-3.046 F 3.046(ym)-.15 G
(atches)-3.046 E(at all \212 that is, e)174 321 Q -.15(ve)-.25 G
(rything will appear to f).15 E(ail.)-.1 E<ad61>102 337.2 Q F2(x)A F1
1.357(Append the string)57.48 F F2(x)3.857 E F1 1.357
(on successful matches.)3.857 F -.15(Fo)6.357 G 3.857(re).15 G 1.356
(xample, the def)-4.007 F(ault)-.1 E F2(host)3.856 E F1(map)3.856 E
(appends a dot on successful matches.)174 349.2 Q<ad54>102 365.4 Q F2(x)
A F1 .02(Append the string)55.81 F F2(x)2.52 E F1 .021(on temporary f)
2.52 F 2.521(ailures. F)-.1 F .021(or e)-.15 F(xample,)-.15 E F2(x)2.521
E F1 -.1(wo)2.521 G .021(uld be appended if a).1 F .72
(DNS lookup returned \231serv)174 377.4 R .72(er f)-.15 F .72
(ailed\232 or an NIS lookup could not locate a serv)-.1 F(er)-.15 E(.)
-.55 E(See also the)174 389.4 Q F0<ad74>2.5 E F1(\215ag.)2.5 E 60.53
(\255f Do)102 405.6 R(not fold upper to lo)2.5 E
(wer case before looking up the k)-.25 E -.15(ey)-.1 G(.)-.5 E 56.08
(\255m Match)102 421.8 R .399(only \(without replacing the v)2.899 F
2.899(alue\). If)-.25 F .399(you only care about the e)2.899 F .4
(xistence of)-.15 F 7.307(ak)174 433.8 S 5.107 -.15(ey a)-7.407 H 4.807
(nd not the v).15 F 4.807
(alue \(as you might when searching the NIS map)-.25 F 1.947
(\231hosts.byname\232 for e)174 445.8 R 1.947(xample\), this \215ag pre)
-.15 F -.15(ve)-.25 G 1.947(nts the map from substituting the).15 F -.25
(va)174 457.8 S 2.85(lue. Ho).25 F(we)-.25 E -.15(ve)-.25 G 1.15 -.4
(r, T).15 H .35(he \255a ar).4 F .349
(gument is still appended on a match, and the def)-.18 F .349(ault is)
-.1 F(still tak)174 469.8 Q(en if the match f)-.1 E(ails.)-.1 E<ad6b>102
486 Q F2 -.1(ke)C(ycol)-.2 E F1 .519(The k)36.22 F .819 -.15(ey c)-.1 H
.519(olumn name \(for NIS+\) or number \(for te).15 F .519
(xt lookups\).)-.15 F -.15(Fo)5.52 G 3.02(rL).15 G -.4(DA)-3.02 G 3.02
(Pm).4 G(aps)-3.02 E .973(this is an LD)174 498 R .973(AP \214lter stri\
ng in which %s is replaced with the literal contents of)-.4 F .248
(the lookup k)174 510 R .548 -.15(ey a)-.1 H .248
(nd %0 is replaced with the LD).15 F .249
(AP escaped contents of the lookup)-.4 F -.1(ke)174 522 S 4.176(ya)-.05
G 1.676(ccording to RFC 2254.)-4.176 F 1.676(If the \215ag)6.676 F F0
<ad4b>4.176 E F1 1.676(is used, then %1 through %9 are)4.176 F .886
(replaced with the LD)174 534 R .887(AP escaped contents of the ar)-.4 F
.887(guments speci\214ed in the map)-.18 F(lookup.)174 546 Q<ad76>102
562.2 Q F2(valcol)A F1 1.929(The v)36.92 F 1.928
(alue column name \(for NIS+\) or number \(for te)-.25 F 1.928
(xt lookups\).)-.15 F -.15(Fo)6.928 G 4.428(rL).15 G -.4(DA)-4.428 G(P)
.4 E .467(maps this is the name of one or more attrib)174 574.2 R .467
(utes to be returned; multiple attrib)-.2 F(utes)-.2 E 1.217
(can be separated by commas.)174 586.2 R 1.216
(If not speci\214ed, all attrib)6.216 F 1.216(utes found in the match)
-.2 F 1.327(will be returned.)174 598.2 R 1.328(The attrib)6.328 F 1.328
(utes listed can also include a type and one or more)-.2 F
(objectClass v)174 610.2 Q(alues for matching as described in the LD)
-.25 E(AP section.)-.4 E<ad7a>102 626.4 Q F2(delim)A F1 .219
(The column delimiter \(for te)39.7 F .219(xt lookups\).)-.15 F .218
(It can be a single character or one of the)5.219 F 1.825
(special strings \231)174 638.4 R 1.825(\\n\232 or \231)1.666 F 1.826
(\\t\232 to indicate ne)1.666 F 1.826(wline or tab respecti)-.25 F -.15
(ve)-.25 G(ly).15 E 6.826(.I)-.65 G 4.326(fo)-6.826 G(mitted)-4.326 E
(entirely)174 650.4 Q 4.123(,t)-.65 G 1.623(he column separator is an)
-4.123 F 4.123(ys)-.15 G 1.622(equence of white space.)-4.123 F -.15(Fo)
6.622 G 4.122(rL).15 G -.4(DA)-4.122 G 4.122(Pa).4 G(nd)-4.122 E .557
(some other maps this is the separator character to combine multiple v)
174 662.4 R .557(alues into a)-.25 F .804(single return string.)174
674.4 R .804(If not set, the LD)5.804 F .803
(AP lookup will only return the \214rst match)-.4 F 2.57(found. F)174
686.4 R .07(or DNS maps this is the separator character at which the re\
sult of a query)-.15 F(is cut of)174 698.4 Q 2.5(fi)-.25 G 2.5(fi)-2.5 G
2.5(st)-2.5 G(oo long.)-2.5 E 0 Cg EP
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(SMM:08-89)195.86 E/F1 10/Times-Roman@0 SF 61.08(\255t Normally)102 96 R
2.727(,w)-.65 G .227(hen a map attempts to do a lookup and the serv)
-2.727 F .226(er f)-.15 F .226(ails \(e.g.,)-.1 F/F2 10/Times-Italic@0
SF(sendmail)2.726 E F1(couldn')174 108 Q 2.776(tc)-.18 G .276(ontact an)
-2.776 F 2.776(yn)-.15 G .276(ame serv)-2.776 F .276(er; this is)-.15 F
F2(not)2.776 E F1 .276(the same as an entry not being found)2.776 F .251
(in the map\), the message being processed is queued for future process\
ing.)174 120 R(The)5.25 E F0<ad74>2.75 E F1 2.039(\215ag turns of)174
132 R 4.539(ft)-.25 G 2.039(his beha)-4.539 F(vior)-.2 E 4.539(,l)-.4 G
2.039(etting the temporary f)-4.539 F 2.039(ailure \(serv)-.1 F 2.039
(er do)-.15 F 2.04(wn\) act as)-.25 F .676(though it were a permanent f)
174 144 R .675(ailure \(entry not found\).)-.1 F .675
(It is particularly useful for)5.675 F .772
(DNS lookups, where someone else')174 156 R 3.272(sm)-.55 G .772
(iscon\214gured name serv)-3.272 F .772(er can cause prob-)-.15 F 1.646
(lems on your machine.)174 168 R(Ho)6.646 E(we)-.25 E -.15(ve)-.25 G
2.446 -.4(r, c).15 H 1.645(are must be tak).4 F 1.645
(en to ensure that you don')-.1 F(t)-.18 E .262(bounce mail that w)174
180 R .262(ould be resolv)-.1 F .262(ed correctly if you tried ag)-.15 F
2.763(ain. A)-.05 F .263(common strat-)2.763 F -.15(eg)174 192 S 2.5(yi)
.15 G 2.5(st)-2.5 G 2.5(of)-2.5 G(orw)-2.5 E(ard such mail to another)
-.1 E 2.5(,p)-.4 G(ossibly better connected, mail serv)-2.5 E(er)-.15 E
(.)-.55 E 56.64(\255D Perform)102 208.2 R .833
(no lookup in deferred deli)3.333 F -.15(ve)-.25 G .833(ry mode.).15 F
.833(This \215ag is set by def)5.833 F .832(ault for the)-.1 F F2(host)
174 220.2 Q F1(map.)2.5 E<ad53>102 236.4 Q F2(spacesub)A F1 1.537(The c\
haracter to use to replace space characters after a successful map look\
up)24.14 F(\(esp. useful for re)174 248.4 Q(ge)-.15 E 2.5(xa)-.15 G
(nd syslog maps\).)-2.5 E<ad73>102 264.6 Q F2(spacesub)A F1 -.15(Fo)
25.81 G 3.101(rt).15 G .601(he dequote map only)-3.101 F 3.101(,t)-.65 G
.601(he character to use to replace space characters after a)-3.101 F
(successful dequote.)174 276.6 Q 58.86(\255q Don')102 292.8 R 2.5(td)
-.18 G(equote the k)-2.5 E .3 -.15(ey b)-.1 H(efore lookup.).15 E<ad4c>
102 309 Q F2(le)A(vel)-.15 E F1 -.15(Fo)41.52 G 2.5(rt).15 G
(he syslog map only)-2.5 E 2.5(,i)-.65 G 2.5(ts)-2.5 G
(peci\214es the le)-2.5 E -.15(ve)-.25 G 2.5(lt).15 G 2.5(ou)-2.5 G
(se for the syslog call.)-2.5 E 56.64(\255A When)102 325.2 R(reb)3 E .5
(uilding an alias \214le, the)-.2 F F0<ad41>3 E F1 .5
(\215ag causes duplicate entries in the te)3 F .5(xt v)-.15 F(er)-.15 E
(-)-.2 E(sion to be mer)174 337.2 Q 2.5(ged. F)-.18 F(or e)-.15 E
(xample, tw)-.15 E 2.5(oe)-.1 G(ntries:)-2.5 E 27.49(list: user1,)214
353.4 R(user2)2.5 E 27.49(list: user3)214 365.4 R -.1(wo)174 381.6 S
(uld be treated as though it were the single entry).1 E 27.49
(list: user1,)214 397.8 R(user2, user3)2.5 E(in the presence of the)174
414 Q F0<ad41>2.5 E F1(\215ag.)2.5 E(Some additional \215ags are a)127
430.2 Q -.25(va)-.2 G(ilable for the host and dns maps:).25 E 58.86
(\255d delay:)102 446.4 R(specify the resolv)2.5 E(er')-.15 E 2.5(sr)
-.55 G(etransmission time interv)-2.5 E(al \(in seconds\).)-.25 E 60.53
(\255r retry:)102 462.6 R
(specify the number of times to retransmit a resolv)2.5 E(er query)-.15
E(.)-.65 E(The dns map has another \215ag:)127 478.8 Q 57.19
(\255B basedomain:)102 495 R(specify a domain that is al)2.5 E -.1(wa)
-.1 G(ys appended to queries.).1 E(Sock)127 511.2 Q(et maps ha)-.1 E .3
-.15(ve a)-.2 H 2.5(no).15 G(ptional \215ag:)-2.5 E 58.86
(\255d timeout:)102 527.4 R .441
(specify the timeout \(in seconds\) for communication with the sock)
2.941 F .44(et map)-.1 F(serv)174 539.4 Q(er)-.15 E(.)-.55 E(The follo)
127 555.6 Q(wing additional \215ags are present in the ldap map only:)
-.25 E<ad63>102 571.8 Q F2(timeout)A F1 7.617(Set the LD)31.92 F 7.618
(AP netw)-.4 F 7.618(ork timeout.)-.1 F 7.618
(sendmail must be compiled with)12.618 F F0(\255DLD)174 583.8 Q
(AP_OPT_NETW)-.35 E(ORK_TIMEOUT)-.1 E F1(to use this \215ag.)2.5 E 57.19
(\255R Do)102 600 R .025(not auto chase referrals.)2.525 F .025
(sendmail must be compiled with)5.025 F F0(\255DLD)2.525 E(AP_REFER-)
-.35 E(RALS)174 612 Q F1(to use this \215ag.)2.5 E 58.86(\255n Retrie)
102 628.2 R .3 -.15(ve a)-.25 H(ttrib).15 E(ute names only)-.2 E(.)-.65
E<ad56>102 644.4 Q F2(sep)A F1(Retrie)45.81 E .3 -.15(ve b)-.25 H
(oth attrib).15 E(utes name and v)-.2 E(alue\(s\), separated by)-.25 E
F2(sep)2.5 E F1(.)A<ad72>102 660.6 Q F2(der)A(ef)-.37 E F1
(Set the alias dereference option to one of ne)42.85 E -.15(ve)-.25 G .8
-.4(r, a).15 H -.1(lwa).4 G(ys, search, or \214nd.).1 E<ad73>102 676.8 Q
F2(scope)A F1(Set search scope to one of base, one \(one le)39.7 E -.15
(ve)-.25 G(l\), or sub \(subtree\).).15 E<ad68>102 693 Q F2(host)A F1
(LD)44.69 E 2.095(AP serv)-.4 F 2.095(er hostname.)-.15 F 2.095(Some LD)
7.095 F 2.095(AP libraries allo)-.4 F 4.595(wy)-.25 G 2.095
(ou to specify multiple,)-4.595 F .467
(space-separated hosts for redundanc)174 705 R 4.267 -.65(y. I)-.15 H
2.967(na).65 G .466(ddition, each of the hosts listed can be)-2.967 F
(follo)174 717 Q(wed by a colon and a port number to o)-.25 E -.15(ve)
-.15 G(rride the def).15 E(ault LD)-.1 E(AP port.)-.4 E 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-90 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF<ad70>102
96 Q/F2 10/Times-Italic@0 SF(port)A F1(LD)44.69 E(AP service port.)-.4 E
<ad48>102 112.2 Q F2(LD)2.5 E(APURI)-.35 E F1 1.102
(Use the speci\214ed LD)15.33 F 1.103
(AP URI instead of specifying the hostname and port sepa-)-.4 F
(rately with the the)174 124.2 Q F0<ad68>2.5 E F1(and)2.5 E F0<ad70>2.5
E F1(options sho)2.5 E(wn abo)-.25 E -.15(ve)-.15 G 5(.F).15 G(or e)
-5.15 E(xample,)-.15 E(-h serv)214 140.4 Q(er)-.15 E(.e)-.55 E
(xample.com -p 389 -b dc=e)-.15 E(xample,dc=com)-.15 E(is equi)174 156.6
Q -.25(va)-.25 G(lent to).25 E(-H ldap://serv)214 172.8 Q(er)-.15 E(.e)
-.55 E(xample.com:389 -b dc=e)-.15 E(xample,dc=com)-.15 E .757
(If the LD)174 189 R .757(AP library supports it, the LD)-.4 F .757
(AP URI format ho)-.4 F(we)-.25 E -.15(ve)-.25 G 3.257(rc).15 G .757
(an also request)-3.257 F(LD)174 201 Q(AP o)-.4 E -.15(ve)-.15 G 2.5(rS)
.15 G(SL by using)-2.5 E F0(ldaps://)2.5 E F1(instead of)2.5 E F0
(ldap://)2.5 E F1 5(.F)C(or e)-5.15 E(xample:)-.15 E 2.5(OL)214 217.2 S
-.4(DA)-2.5 G(PDef).4 E(aultSpec=-H ldaps://ldap.e)-.1 E
(xample.com -b dc=e)-.15 E(xample,dc=com)-.15 E(Similarly)174 233.4 Q
3.22(,i)-.65 G 3.22(ft)-3.22 G .72(he LD)-3.22 F .721
(AP library supports it, It can also be used to specify a UNIX)-.4 F
(domain sock)174 245.4 Q(et using)-.1 E F0(ldapi://)2.5 E F1(:)A 2.5(OL)
214 261.6 S -.4(DA)-2.5 G(PDef).4 E(aultSpec=-H ldapi://sock)-.1 E
(et\214le -b dc=e)-.1 E(xample,dc=com)-.15 E<ad62>102 282 Q F2(base)A F1
(LD)43.03 E(AP search base.)-.4 E<ad6c>102 298.2 Q F2(timelimit)A F1
-.35(Ti)28.02 G(me limit for LD).35 E(AP queries.)-.4 E<ad5a>102 314.4 Q
F2(sizelimit)A F1(Size \(number of matches\) limit for LD)26.91 E
(AP or DNS queries.)-.4 E<ad64>102 330.6 Q F2(distinguished_name)A F1
(The distinguished name to use to login to the LD)174 342.6 Q(AP serv)
-.4 E(er)-.15 E(.)-.55 E<ad4d>102 358.8 Q F2(method)A F1 5.988
(The method to authenticate to the LD)28.03 F 5.987(AP serv)-.4 F(er)
-.15 E 10.987(.S)-.55 G 5.987(hould be one of)-10.987 F F0(LD)174 370.8
Q(AP_A)-.35 E(UTH_NONE)-.5 E F1(,)A F0(LD)5.756 E(AP_A)-.35 E
(UTH_SIMPLE)-.5 E F1 5.757(,o)C(r)-5.757 E F0(LD)5.757 E(AP_A)-.35 E
(UTH_KRBV4)-.5 E F1(.)A(The leading)174 382.8 Q F0(LD)2.5 E(AP_A)-.35 E
(UTH_)-.5 E F1(can be omitted and the v)2.5 E(alue is case-insensiti)
-.25 E -.15(ve)-.25 G(.).15 E<ad50>102 399 Q F2(passwor)A(d\214le)-.37 E
F1 .342(The \214le containing the secret k)10.61 F .642 -.15(ey f)-.1 H
.342(or the).15 F F0(LD)2.842 E(AP_A)-.35 E(UTH_SIMPLE)-.5 E F1
(authentication)2.842 E(method or the name of the K)174 411 Q
(erberos tick)-.25 E(et \214le for)-.1 E F0(LD)2.5 E(AP_A)-.35 E
(UTH_KRBV4)-.5 E F1(.)A 58.86(\2551 F)102 427.2 R .457(orce LD)-.15 F
.458(AP searches to only succeed if a single match is found.)-.4 F .458
(If multiple v)5.458 F(al-)-.25 E
(ues are found, the search is treated as if no match w)174 439.2 Q
(as found.)-.1 E<ad77>102 455.4 Q F2(ver)A(sion)-.1 E F1 1.48
(Set the LD)29.8 F 1.479(AP API/protocol v)-.4 F 1.479(ersion to use.)
-.15 F 1.479(The def)6.479 F 1.479(ault depends on the LD)-.1 F(AP)-.4 E
1.37(client libraries in use.)174 467.4 R -.15(Fo)6.37 G 3.87(re).15 G
(xample,)-4.02 E F0 1.37(\255w 3)3.87 F F1 1.37(will cause)3.87 F F2
(sendmail)3.87 E F1 1.37(to use LD)3.87 F(APv3)-.4 E
(when communicating with the LD)174 479.4 Q(AP serv)-.4 E(er)-.15 E(.)
-.55 E 56.64(\255K T)102 495.6 R .588(reat the LD)-.35 F .588
(AP search k)-.4 F .888 -.15(ey a)-.1 H 3.088(sm).15 G(ulti-ar)-3.088 E
.587(gument and replace %1 through %9 in the)-.18 F -.1(ke)174 507.6 S
2.503(yw)-.05 G .003(ith the LD)-2.503 F .003
(AP escaped contents of the lookup ar)-.4 F .003
(guments speci\214ed in the map)-.18 F(lookup.)174 519.6 Q(The)127 535.8
Q F2(dbm)2.99 E F1 .489
(map appends the strings \231.pag\232 and \231.dir\232 to the gi)2.99 F
-.15(ve)-.25 G 2.989<6e8c>.15 G .489(lename; the)-2.989 F F2(hash)2.989
E F1(and)2.989 E F2(btr)2.989 E(ee)-.37 E F1(maps append \231.db\232.)
102 547.8 Q -.15(Fo)5 G 2.5(re).15 G(xample, the map speci\214cation)
-2.65 E -.15(Ku)142 564 S(ucp dbm \255o \255N /etc/mail/uucpmap).15 E
.21(speci\214es an optional map named \231uucp\232 of class \231dbm\232\
; it al)102 580.2 R -.1(wa)-.1 G .21(ys has null bytes at the end of e)
.1 F -.15(ve)-.25 G(ry).15 E
(string, and the data is located in /etc/mail/uucpmap.{dir)102 592.2 Q
(,pag}.)-.4 E .853(The program)127 608.4 R F2(mak)3.353 E(emap)-.1 E F1
.852(\(8\) can be used to b)B .852(uild database-oriented maps.)-.2 F
.852(It tak)5.852 F .852(es at least the)-.1 F(follo)102 620.4 Q
(wing \215ags \(for a complete list see its man page\):)-.25 E 60.53
(\255f Do)102 636.6 R(not fold upper to lo)2.5 E(wer case in the map.)
-.25 E 56.64(\255N Include)102 652.8 R(null bytes in k)2.5 E -.15(ey)-.1
G(s.).15 E 58.86(\255o Append)102 669 R(to an e)2.5 E
(xisting \(old\) \214le.)-.15 E 60.53(\255r Allo)102 685.2 R 3.668(wr)
-.25 G 1.168(eplacement of e)-3.668 F 1.168(xisting k)-.15 F -.15(ey)-.1
G 1.168(s; normally).15 F 3.668(,r)-.65 G 1.168(e-inserting an e)-3.668
F 1.168(xisting k)-.15 F 1.469 -.15(ey i)-.1 H 3.669(sa).15 G(n)-3.669 E
(error)174 697.2 Q(.)-.55 E 58.86(\255v Print)102 713.4 R
(what is happening.)2.5 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-91)195.86 E/F1 10/Times-Roman@0 SF(The)102 96 Q/F2 10
/Times-Italic@0 SF(sendmail)3.606 E F1 1.106(daemon does not ha)3.606 F
1.406 -.15(ve t)-.2 H 3.606(ob).15 G 3.606(er)-3.606 G 1.106
(estarted to read the ne)-3.606 F 3.605(wm)-.25 G 1.105
(aps as long as you change)-3.605 F
(them in place; \214le locking is used so that the maps w)102 108 Q(on')
-.1 E 2.5(tb)-.18 G 2.5(er)-2.5 G(ead while the)-2.5 E 2.5(ya)-.15 G
(re being updated.)-2.5 E(Ne)127 124.2 Q 2.5(wc)-.25 G
(lasses can be added in the routine)-2.5 E F0(setupmaps)2.5 E F1
(in \214le)2.5 E F0(conf)2.5 E(.c)-.15 E F1(.)A F0 2.5(5.10. Q)87 148.2
R 2.5<8a51>2.5 G(ueue Gr)-2.5 E(oup Declaration)-.18 E F1 .71
(In addition to the option)127 164.4 R F2(QueueDir)3.21 E(ectory)-.37 E
(,)-.55 E F1 .71(queue groups can be declared that de\214ne a \(group)
3.21 F(of\) queue directories under a common name.)102 176.4 Q
(The syntax is as follo)5 E(ws:)-.25 E F0(Q)142 192.6 Q F2(name)A F1({,)
2.5 E F2(\214eld)2.5 E F1(=)A F2(value)A F1(}+)1.666 E(where)102 208.8 Q
F2(name)3.276 E F1 .775(is the symbolic name of the queue group under w\
hich it can be referenced in v)3.276 F(arious)-.25 E .217
(places and the \231\214eld=v)102 220.8 R .217
(alue\232 pairs de\214ne attrib)-.25 F .217(utes of the queue group.)-.2
F .218(The name must only consist)5.218 F(of alphanumeric characters.)
102 232.8 Q(Fields are:)5 E 47.83(Flags Flags)102 249 R
(for this queue group.)2.5 E 50.62(Nice The)102 265.2 R .902
(nice\(2\) increment for the queue group.)3.402 F .901(This v)5.902 F
.901(alue must be greater or equal)-.25 F(zero.)174 277.2 Q(Interv)102
293.4 Q 38.65(al The)-.25 F(time between tw)2.5 E 2.5(oq)-.1 G
(ueue runs.)-2.5 E -.15(Pa)102 309.6 S 51.87(th The).15 F
(queue directory of the group \(required\).)2.5 E 36.17(Runners The)102
325.8 R .073(number of parallel runners processing the queue.)2.573 F
.074(Note that)5.074 F F0(F=f)2.574 E F1 .074(must be set if)2.574 F
(this v)174 337.8 Q(alue is greater than one.)-.25 E 51.72(Jobs The)102
354 R(maximum number of jobs \(messages deli)2.5 E -.15(ve)-.25 G
(red\) per queue run.).15 E 30.62(recipients The)102 370.2 R .382
(maximum number of recipients per en)2.882 F -.15(ve)-.4 G 2.882
(lope. En).15 F -.15(ve)-.4 G .382(lopes with more than this).15 F .109
(number of recipients will be split into multiple en)174 382.2 R -.15
(ve)-.4 G .11(lopes in the same queue direc-).15 F(tory)174 394.2 Q 5
(.T)-.65 G(he def)-5 E(ault v)-.1 E(alue 0 means no limit.)-.25 E
(Only the \214rst character of the \214eld name is check)102 410.4 Q
(ed.)-.1 E .076(By def)127 426.6 R .076(ault, a queue group named)-.1 F
F2(mqueue)2.575 E F1 .075(is de\214ned that uses the v)2.575 F .075
(alue of the)-.25 F F2(QueueDir)2.575 E(ectory)-.37 E F1 .268
(option as path.)102 438.6 R .268(Notice: all paths that are used for q\
ueue groups must be subdirectories of)5.268 F F2(QueueDi-)2.769 E -.37
(re)102 450.6 S(ctory).37 E F1 6.487(.S)C 1.487(ince the)-6.487 F 3.987
(yc)-.15 G 1.487(an be symbolic links, this isn')-3.987 F 3.987(tar)-.18
G 1.486(eal restriction, If)-3.987 F F2(QueueDir)3.986 E(ectory)-.37 E
F1 1.486(uses a)3.986 F .746(wildcard, then the directory one le)102
462.6 R -.15(ve)-.25 G 3.247(lu).15 G 3.247(pi)-3.247 G 3.247(sc)-3.247
G .747(onsidered the `)-3.247 F(`base')-.74 E 3.247('d)-.74 G .747
(irectory which all other queue)-3.247 F .086(directories must share.)
102 474.6 R .086(Please mak)5.086 F 2.586(es)-.1 G .086
(ure that the queue directories do not o)-2.586 F -.15(ve)-.15 G .085
(rlap, e.g., do not spec-).15 F(ify)102 486.6 Q 2.5(OQ)142 502.8 S
(ueueDirectory=/v)-2.5 E(ar/spool/mqueue/*)-.25 E(Qone, P=/v)142 514.8 Q
(ar/spool/mqueue/dir1)-.25 E(Qtw)142 526.8 Q(o, P=/v)-.1 E
(ar/spool/mqueue/dir2)-.25 E
(because this also includes \231dir1\232 and \231dir2\232 in the def)102
543 Q(ault queue group.)-.1 E(Ho)5 E(we)-.25 E -.15(ve)-.25 G -.4(r,).15
G 2.5(OQ)142 559.2 S(ueueDirectory=/v)-2.5 E(ar/spool/mqueue/main*)-.25
E(Qone, P=/v)142 571.2 Q(ar/spool/mqueue/dir)-.25 E(Qtw)142 583.2 Q
(o, P=/v)-.1 E(ar/spool/mqueue/other*)-.25 E(is a v)102 599.4 Q
(alid queue group speci\214cation.)-.25 E .235(Options listed in the `)
127 615.6 R(`Flags')-.74 E 2.736<278c>-.74 G .236
(eld can be used to modify the beha)-2.736 F .236
(vior of a queue group.)-.2 F(The)5.236 E -.74(``)102 627.6 S .55(f').74
G 2.605<278d>-1.29 G .105
(ag must be set if multiple queue runners are supposed to w)-2.605 F
.104(ork on the entries in a queue group.)-.1 F(Otherwise)102 639.6 Q F2
(sendmail)2.5 E F1(will w)2.5 E
(ork on the entries strictly sequentially)-.1 E(.)-.65 E .511(The `)127
655.8 R(`Interv)-.74 E(al')-.25 E 3.011<278c>-.74 G .511
(eld sets the time between queue runs.)-3.011 F .512
(If no queue group speci\214c interv)5.511 F .512(al is)-.25 F
(set, then the parameter of the)102 667.8 Q F0(-q)2.5 E F1
(option from the command line is used.)2.5 E 7.657 -.8(To c)127 684 T
6.057(ontrol the o).8 F -.15(ve)-.15 G 6.056
(rall number of concurrently acti).15 F 6.356 -.15(ve q)-.25 H 6.056
(ueue runners the option).15 F F0(MaxQueueChildr)102 696 Q(en)-.18 E F1
.055(can be set.)2.555 F .055
(This limits the number of processes used for running the queues to)
5.055 F F0(MaxQueueChildr)102 708 Q(en)-.18 E F1 3.63(,t)C 1.13
(hough at an)-3.63 F 3.63(yo)-.15 G 1.13(ne time fe)-3.63 F 1.129
(wer processes may be acti)-.25 F 1.429 -.15(ve a)-.25 H 3.629(sar).15 G
1.129(esult of queue)-3.629 F
(options, completed queue runs, system load, etc.)102 720 Q 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-92 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF .602
(The maximum number of queue runners for an indi)127 96 R .602
(vidual queue group can be controlled via)-.25 F(the)102 108 Q F0
(Runners)2.585 E F1 2.585(option. If)2.585 F .084(set to 0, entries in \
the queue will not be processed, which is useful to `)2.585 F(`quar)-.74
E(-)-.2 E(antine')102 120 Q 4.515('q)-.74 G 2.015(ueue \214les.)-4.515 F
2.016
(The number of runners per queue group may also be set with the option)
7.015 F F0(MaxRunnersP)102 132 Q(erQueue)-.2 E F1 3.209(,w)C .709
(hich applies to queue groups that ha)-3.209 F 1.008 -.15(ve n)-.2 H
3.208(oi).15 G(ndi)-3.208 E .708(vidual limit.)-.25 F .708(That is, the)
5.708 F(def)102 144 Q(ault v)-.1 E(alue for)-.25 E F0(Runners)2.5 E F1
(is)2.5 E F0(MaxRunnersP)2.5 E(erQueue)-.2 E F1(if set, otherwise 1.)2.5
E 1.087
(The \214eld Jobs describes the maximum number of jobs \(messages deli)
127 160.2 R -.15(ve)-.25 G 1.087(red\) per queue run,).15 F
(which is the queue group speci\214c v)102 172.2 Q(alue of)-.25 E F0
(MaxQueueRunSize)2.5 E F1(.)A .175(Notice: queue groups should be decla\
red after all queue related options ha)127 188.4 R .475 -.15(ve b)-.2 H
.175(een set because).15 F .314(queue groups tak)102 200.4 R 2.814(et)
-.1 G .314(heir def)-2.814 F .314(aults from those options.)-.1 F .314
(If an option is set after a queue group declara-)5.314 F .188
(tion, the v)102 212.4 R .187
(alues of options in the queue group are set to the def)-.25 F .187
(aults of)-.1 F/F2 10/Times-Italic@0 SF(sendmail)2.687 E F1 .187
(unless e)2.687 F .187(xplicitly set)-.15 F(in the declaration.)102
224.4 Q 1.972(Each en)127 240.6 R -.15(ve)-.4 G 1.972(lope is assigned \
to a queue group based on the algorithm described in section).15 F -.74
(``)102 252.6 S(Queue Groups and Queue Directories').74 E('.)-.74 E F0
2.5(5.11. X)87 276.6 R 2.5<8a4d>2.5 G
(ail Filter \(Milter\) De\214nitions)-2.5 E F1(The)127 292.8 Q F2
(sendmail)3.937 E F1 1.437
(Mail Filter API \(Milter\) is designed to allo)3.937 F 3.937(wt)-.25 G
1.437(hird-party programs access to)-3.937 F .177(mail messages as the)
102 304.8 R 2.677(ya)-.15 G .177
(re being processed in order to \214lter meta-information and content.)
-2.677 F(The)5.178 E 2.678(ya)-.15 G(re)-2.678 E
(declared in the con\214guration \214le as:)102 316.8 Q F0(X)142 333 Q
F2(name)A F1({,)2.5 E F2(\214eld)2.5 E F1(=)A F2(value)A F1(}*)1.666 E
(where)102 349.2 Q F2(name)4.688 E F1 2.188(is the name of the \214lter\
 \(used internally only\) and the \231\214eld=name\232 pairs de\214ne)
4.688 F(attrib)102 361.2 Q .491(utes of the \214lter)-.2 F 5.491(.A)-.55
G .491(lso see the documentation for the)-5.491 F F0(InputMailFilters)
2.992 E F1 .492(option for more infor)2.992 F(-)-.2 E(mation.)102 373.2
Q(Fields are:)127 389.4 Q(Sock)142 405.6 Q 42.38(et The)-.1 F(sock)2.5 E
(et speci\214cation)-.1 E 47.83(Flags Special)142 417.6 R
(\215ags for this \214lter)2.5 E -.35(Ti)142 429.6 S 32.07(meouts T).35
F(imeouts for this \214lter)-.35 E
(Only the \214rst character of the \214eld name is check)102 445.8 Q
(ed \(it')-.1 E 2.5(sc)-.55 G(ase-sensiti)-2.5 E -.15(ve)-.25 G(\).).15
E(The sock)127 462 Q(et speci\214cation is one of the follo)-.1 E
(wing forms:)-.25 E F0(S=inet:)142 478.2 Q F2(port)2.5 E F0(@)2.5 E F2
(host)2.5 E F0(S=inet6:)142 498.6 Q F2(port)2.5 E F0(@)2.5 E F2(host)2.5
E F0(S=local:)142 519 Q F2(path)2.5 E F1 1.792(The \214rst tw)102 535.2
R 4.291(od)-.1 G 1.791(escribe an IPv4 or IPv6 sock)-4.291 F 1.791
(et listening on a certain)-.1 F F2(port)4.291 E F1 1.791(at a gi)4.291
F -.15(ve)-.25 G(n).15 E F2(host)4.291 E F1 1.791(or IP)4.291 F 2.5
(address. The)102 547.2 R(\214nal form describes a named sock)2.5 E
(et on the \214lesystem at the gi)-.1 E -.15(ve)-.25 G(n).15 E F2(path)
2.5 E F1(.)A(The follo)127 563.4 Q
(wing \215ags may be set in the \214lter description.)-.25 E 13.33(RR)
102 579.6 S(eject connection if \214lter una)-13.33 E -.25(va)-.2 G
(ilable.).25 E 13.89(TT)102 595.8 S(emporary f)-14.59 E
(ail connection if \214lter una)-.1 E -.25(va)-.2 G(ilable.).25 E .655
(If neither F=R nor F=T is speci\214ed, the message is passed through)
127 612 R F2(sendmail)3.155 E F1 .655(in case of \214lter)3.155 F
(errors as if the f)102 624 Q(ailing \214lters were not present.)-.1 E
(The timeouts can be set using the four \214elds inside of the)127 640.2
Q F0(T=)2.5 E F1(equate:)2.5 E 13.33(CT)102 656.4 S
(imeout for connecting to a \214lter)-13.68 E 5(.I)-.55 G 2.5(fs)-5 G
(et to 0, the system')-2.5 E(s)-.55 E F2(connect\(\))2.5 E F1
(timeout will be used.)2.5 E 14.44(ST)102 672.6 S
(imeout for sending information from the MT)-14.79 E 2.5(At)-.93 G 2.5
(oa\214)-2.5 G(lter)-2.5 E(.)-.55 E 13.33(RT)102 688.8 S
(imeout for reading reply from the \214lter)-13.68 E(.)-.55 E 13.89(EO)
102 705 S -.15(ve)-13.89 G 1.186
(rall timeout between sending end-of-message to \214lter and w).15 F
1.186(aiting for the \214nal ackno)-.1 F(wl-)-.25 E(edgment.)122 717 Q 0
Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-93)195.86 E/F1 10/Times-Roman@0 SF 1.402
(Note the separator between each timeout \214eld is a)127 96 R F0(';')
3.903 E F1 6.403(.T)C 1.403(he def)-6.403 F 1.403(ault v)-.1 F 1.403
(alues \(if not set\) are:)-.25 F F0(T=C:5m;S:10s;R:10s;E:5m)102 108 Q
F1(where)2.5 E F0(s)2.5 E F1(is seconds and)2.5 E F0(m)2.5 E F1
(is minutes.)2.5 E(Examples:)127 124.2 Q(X\214lter1, S=local:/v)142
140.4 Q(ar/run/f1.sock, F=R)-.25 E
(X\214lter2, S=inet6:999@localhost, F=T)142 152.4 Q 2.5(,T)-.74 G
(=S:1s;R:1s;E:5m)-2.5 E(X\214lter3, S=inet:3333@localhost, T=C:2m)142
164.4 Q F0 2.5(5.12. The)87 192.6 R(User Database)2.5 E F1 .479
(The user database is deprecated in f)127 208.8 R -.2(avo)-.1 G 2.978
(ro).2 G 2.978(f`)-2.978 G(`virtusertable')-3.718 E 2.978('a)-.74 G .478
(nd `)-2.978 F(`genericstable')-.74 E 2.978('a)-.74 G 2.978(se)-2.978 G
(xplained)-3.128 E 1.029(in the \214le)102 220.8 R F0(cf/README)3.529 E
F1 6.029(.I)C 3.529(fy)-6.029 G 1.029(ou ha)-3.529 F 1.329 -.15(ve a ve)
-.2 H 1.029(rsion of).15 F/F2 10/Times-Italic@0 SF(sendmail)3.529 E F1
1.03(with the user database package com-)3.53 F(piled in, the handling \
of sender and recipient addresses is modi\214ed.)102 232.8 Q
(The location of this database is controlled with the)127 249 Q F0
(UserDatabaseSpec)2.5 E F1(option.)2.5 E F0 2.5(5.12.1. Structur)102 273
R 2.5(eo)-.18 G 2.5(ft)-2.5 G(he user database)-2.5 E F1
(The database is a sorted \(BT)142 289.2 Q(ree-based\) structure.)-.35 E
(User records are stored with the k)5 E -.15(ey)-.1 G(:).15 E F2(user)
157 305.4 Q(-name)-.2 E F0(:)A F2(\214eld-name)A F1 .128(The sorted dat\
abase format ensures that user records are clustered together)117 321.6
R 5.128(.M)-.55 G .128(eta-information is)-5.128 F(al)117 333.6 Q -.1
(wa)-.1 G(ys stored with a leading colon.).1 E
(Field names de\214ne both the syntax and semantics of the v)142 349.8 Q
2.5(alue. De\214ned)-.25 F(\214elds include:)2.5 E 33.39(maildrop The)
117 366 R(deli)4.872 E -.15(ve)-.25 G 2.372(ry address for this user).15
F 7.372(.T)-.55 G 2.373(here may be multiple v)-7.372 F 2.373
(alues of this)-.25 F 2.675(record. In)189 378 R(particular)2.675 E
2.675(,m)-.4 G .175(ailing lists will ha)-2.675 F .475 -.15(ve o)-.2 H
(ne).15 E F2(maildr)2.675 E(op)-.45 E F1 .175(record for each user)2.675
F(on the list.)189 390 Q 30.06(mailname The)117 406.2 R 1.026
(outgoing mailname for this user)3.526 F 6.026(.F)-.55 G 1.027
(or each outgoing name, there should)-6.176 F .08(be an appropriate)189
418.2 R F2(maildr)2.58 E(op)-.45 E F1 .08(record for that name to allo)
2.58 F 2.58(wr)-.25 G .08(eturn mail.)-2.58 F .08(See also)5.08 F F2
(:default:mailname)189 430.2 Q F1(.)A 25.62(mailsender Changes)117 446.4
R(an)3.447 E 3.447(ym)-.15 G .947(ail sent to this address to ha)-3.447
F 1.248 -.15(ve t)-.2 H .948(he indicated en).15 F -.15(ve)-.4 G .948
(lope sender).15 F(.)-.55 E .498(This is intended for mailing lists, an\
d will normally be the name of an appro-)189 458.4 R .754
(priate -request address.)189 470.4 R .754(It is v)5.754 F .755
(ery similar to the o)-.15 F(wner)-.25 E(-)-.2 E F2(list)A F1 .755
(syntax in the alias)3.255 F(\214le.)189 482.4 Q 33.95(fullname The)117
498.6 R(full name of the user)2.5 E(.)-.55 E(of)117 514.8 Q 13.66
(\214ce-address The)-.25 F(of)2.5 E(\214ce address for this user)-.25 E
(.)-.55 E(of)117 531 Q 19.21(\214ce-phone The)-.25 F(of)2.5 E
(\214ce phone number for this user)-.25 E(.)-.55 E(of)117 547.2 Q
(\214ce-f)-.25 E 30.98(ax The)-.1 F(of)2.5 E(\214ce F)-.25 E
(AX number for this user)-.74 E(.)-.55 E 13.96(home-address The)117
563.4 R(home address for this user)2.5 E(.)-.55 E 19.51(home-phone The)
117 579.6 R(home phone number for this user)2.5 E(.)-.55 E(home-f)117
595.8 Q 31.28(ax The)-.1 F(home F)2.5 E(AX number for this user)-.74 E
(.)-.55 E 41.73(project A)117 612 R .856
(\(short\) description of the project this person is af)3.356 F .855
(\214liated with.)-.25 F .855(In the Uni-)5.855 F -.15(ve)189 624 S
(rsity this is often just the name of their graduate advisor).15 E(.)
-.55 E 52.28(plan A)117 640.2 R
(pointer to a \214le from which plan information can be g)2.5 E
(athered.)-.05 E .924(As of this writing, only a fe)142 656.4 R 3.424
(wo)-.25 G 3.424(ft)-3.424 G .925
(hese \214elds are actually being used by)-3.424 F F2(sendmail)3.425 E
F1(:)A F2(mail-)3.425 E(dr)117 668.4 Q(op)-.45 E F1(and)2.5 E F2
(mailname)2.5 E F1 5(.A)C F2(\214ng)-2.5 E(er)-.1 E F1
(program that uses the other \214elds is planned.)2.5 E F0 2.5
(5.12.2. User)102 692.4 R(database semantics)2.5 E F1 .996(When the re)
142 708.6 R .995(writing rules submit an address to the local mailer)
-.25 F 3.495(,t)-.4 G .995(he user name is passed)-3.495 F .78
(through the alias \214le.)117 720.6 R .781(If no alias is found \(or i\
f the alias points back to the same address\), the)5.78 F 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-94 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF 1.778
(name \(with \231:maildrop\232 appended\) is then used as a k)117 96 R
2.077 -.15(ey i)-.1 H 4.277(nt).15 G 1.777(he user database.)-4.277 F
1.777(If no match)6.777 F
(occurs \(or if the maildrop points at the same address\), forw)117 108
Q(arding is tried.)-.1 E .55(If the \214rst tok)142 124.2 R .551(en of \
the user name returned by ruleset 0 is an \231@\232 sign, the user data\
base)-.1 F .626(lookup is skipped.)117 136.2 R .625
(The intent is that the user database will act as a set of def)5.626 F
.625(aults for a cluster)-.1 F 1.533
(\(in our case, the Computer Science Di)117 148.2 R 1.533
(vision\); mail sent to a speci\214c machine should ignore)-.25 F
(these def)117 160.2 Q(aults.)-.1 E .351
(When mail is sent, the name of the sending user is look)142 176.4 R
.351(ed up in the database.)-.1 F .351(If that user)5.351 F .04
(has a \231mailname\232 record, the v)117 188.4 R .041
(alue of that record is used as their outgoing name.)-.25 F -.15(Fo)
5.041 G 2.541(re).15 G .041(xample, I)-2.691 F(might ha)117 200.4 Q .3
-.15(ve a r)-.2 H(ecord:).15 E 12.29(eric:mailname Eric.Allman@CS.Berk)
157 216.6 R(ele)-.1 E -.65(y.)-.15 G(EDU).65 E(This w)117 232.8 Q
(ould cause my outgoing mail to be sent as Eric.Allman.)-.1 E .52
(If a \231maildrop\232 is found for the user)142 249 R 3.019(,b)-.4 G
.519(ut no corresponding \231mailname\232 record e)-3.219 F .519
(xists, the)-.15 F 1.127(record \231:def)117 261 R 1.127
(ault:mailname\232 is consulted.)-.1 F 1.127
(If present, this is the name of a host to o)6.127 F -.15(ve)-.15 G
1.128(rride the).15 F .625(local host.)117 273 R -.15(Fo)5.625 G 3.125
(re).15 G .625(xample, in our case we w)-3.275 F .625
(ould set it to \231CS.Berk)-.1 F(ele)-.1 E -.65(y.)-.15 G 3.125
(EDU\232. The).65 F(ef)3.125 E .625(fect is that)-.25 F(an)117 285 Q
.881(yone kno)-.15 F .882(wn in the database gets their outgoing mail s\
tamped as \231user@CS.Berk)-.25 F(ele)-.1 E -.65(y.)-.15 G(EDU\232,).65
E -.2(bu)117 297 S 2.5(tp).2 G
(eople not listed in the database use the local hostname.)-2.5 E F0 2.5
(5.12.3. Cr)102 323 R(eating the database)-.18 E/F2 7/Times-Bold@0 SF
(23)-4 I F1 .375(The user database is b)142 339.2 R .375(uilt from a te)
-.2 F .375(xt \214le using the)-.15 F/F3 10/Times-Italic@0 SF(mak)2.875
E(emap)-.1 E F1 .375(utility \(in the distrib)2.875 F .375(ution in)-.2
F 1.039(the mak)117 351.2 R 1.039(emap subdirectory\).)-.1 F 1.039
(The te)6.039 F 1.038
(xt \214le is a series of lines corresponding to userdb records;)-.15 F
1.588(each line has a k)117 363.2 R 1.889 -.15(ey a)-.1 H 1.589(nd a v)
.15 F 1.589(alue separated by white space.)-.25 F 1.589(The k)6.589 F
1.889 -.15(ey i)-.1 H 4.089(sa).15 G -.1(lwa)-4.089 G 1.589
(ys in the format).1 F(described abo)117 375.2 Q .3 -.15(ve \212 f)-.15
H(or e).15 E(xample:)-.15 E(eric:maildrop)157 391.4 Q 3.984
(This \214le is normally installed in a system directory; for e)117
407.6 R 3.984(xample, it might be called)-.15 F F3(/etc/mail/user)117
419.6 Q(db)-.37 E F1 5(.T)C 2.5(om)-5.8 G(ak)-2.5 E 2.5(et)-.1 G
(he database v)-2.5 E(ersion of the map, run the program:)-.15 E(mak)157
435.8 Q(emap btree /etc/mail/userdb < /etc/mail/userdb)-.1 E .077
(Then create a con\214g \214le that uses this.)117 452 R -.15(Fo)5.077 G
2.577(re).15 G .077
(xample, using the V8 M4 con\214guration, include the)-2.727 F(follo)117
464 Q(wing line in your .mc \214le:)-.25 E
(de\214ne\(\222confUSERDB_SPEC\264, /etc/mail/userdb\))157 480.2 Q F0
2.5(6. O)72 508.4 R(THER CONFIGURA)-.4 E(TION)-.95 E F1 .907
(There are some con\214guration changes that can be made by recompiling)
112 524.6 R F3(sendmail)3.407 E F1 5.907(.T)C .906(his section)-5.907 F
1.139(describes what changes can be made and what has to be modi\214ed \
to mak)87 536.6 R 3.639(et)-.1 G 3.639(hem. In)-3.639 F 1.139
(most cases this)3.639 F(should be unnecessary unless you are porting)87
548.6 Q F3(sendmail)2.5 E F1(to a ne)2.5 E 2.5(we)-.25 G -.4(nv)-2.5 G
(ironment.).4 E F0 2.5(6.1. P)87 572.6 R(arameters in de)-.1 E
(vtools/OS/$oscf)-.15 E F1 .92
(These parameters are intended to describe the compilation en)127 588.8
R .92(vironment, not site polic)-.4 F 2.22 -.65(y, a)-.15 H(nd).65 E
.739(should normally be de\214ned in the operating system con\214gurati\
on \214le.)102 600.8 R F0 .74(This section needs a com-)5.739 F(plete r)
102 612.8 Q(ewrite.)-.18 E F1 39.5(NDBM If)102 629 R .665(set, the ne)
3.165 F 3.165(wv)-.25 G .664(ersion of the DBM library that allo)-3.315
F .664(ws multiple databases will be)-.25 F 2.822(used. If)174 641 R
.322(neither CDB, NDBM, nor NEWDB are set, a much less ef)2.822 F .323
(\214cient method)-.25 F(of alias lookup is used.)174 653 Q .32 LW 76
669.2 72 669.2 DL 80 669.2 76 669.2 DL 84 669.2 80 669.2 DL 88 669.2 84
669.2 DL 92 669.2 88 669.2 DL 96 669.2 92 669.2 DL 100 669.2 96 669.2 DL
104 669.2 100 669.2 DL 108 669.2 104 669.2 DL 112 669.2 108 669.2 DL 116
669.2 112 669.2 DL 120 669.2 116 669.2 DL 124 669.2 120 669.2 DL 128
669.2 124 669.2 DL 132 669.2 128 669.2 DL 136 669.2 132 669.2 DL 140
669.2 136 669.2 DL 144 669.2 140 669.2 DL 148 669.2 144 669.2 DL 152
669.2 148 669.2 DL 156 669.2 152 669.2 DL 160 669.2 156 669.2 DL 164
669.2 160 669.2 DL 168 669.2 164 669.2 DL 172 669.2 168 669.2 DL 176
669.2 172 669.2 DL 180 669.2 176 669.2 DL 184 669.2 180 669.2 DL 188
669.2 184 669.2 DL 192 669.2 188 669.2 DL 196 669.2 192 669.2 DL 200
669.2 196 669.2 DL 204 669.2 200 669.2 DL 208 669.2 204 669.2 DL 212
669.2 208 669.2 DL 216 669.2 212 669.2 DL/F4 5/Times-Roman@0 SF(23)93.6
679.6 Q/F5 8/Times-Roman@0 SF .473(These instructions are kno)3.2 J .473
(wn to be incomplete.)-.2 F .472(Other features are a)4.473 F -.2(va)
-.16 G .472(ilable which pro).2 F .472(vide similar functionality)-.12 F
2.472(,e)-.52 G .472(.g., virtual)-2.472 F
(hosting and mapping local addresses into a generic form as e)72 692.4 Q
(xplained in cf/README.)-.12 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-95)195.86 E/F1 10/Times-Roman@0 SF 39.5(CWDB If)102 96 R
(set, use the cdb \(tin)2.5 E(ycdb\) package.)-.15 E 32.84(NEWDB If)102
112.2 R .142(set, use the ne)2.642 F 2.642(wd)-.25 G .142
(atabase package from Berk)-2.642 F(ele)-.1 E 2.641(y\()-.15 G .141
(from 4.4BSD\).)-2.641 F .141(This package)5.141 F .266
(is substantially f)174 124.2 R .267(aster than DBM or NDBM.)-.1 F .267
(If NEWDB and NDBM are both set,)5.267 F/F2 10/Times-Italic@0 SF
(sendmail)174 136.2 Q F1(will read DBM \214les, b)2.5 E
(ut will create and use NEWDB \214les.)-.2 E 53.39(NIS Include)102 152.4
R .12(support for NIS.)2.62 F .119(If set together with)5.119 F F2(both)
2.619 E F1 .119(NEWDB and NDBM,)2.619 F F2(sendmail)2.619 E F1 .947(wil\
l create both DBM and NEWDB \214les if and only if an alias \214le incl\
udes the)174 164.4 R 3.409(substring \231/yp/\232 in the name.)174 176.4
R 3.409(This is intended for compatibility with Sun)8.409 F
(Microsystems')174 188.4 Q F2(mkalias)2.5 E F1
(program used on YP masters.)2.5 E 28.94(NISPLUS Compile)102 204.6 R
(in support for NIS+.)2.5 E 26.73(NETINFO Compile)102 220.8 R
(in support for NetInfo \(NeXT stations\).)2.5 E(LD)102 237 Q 22.12
(APMAP Compile)-.4 F 1.225(in support for LD)3.725 F 1.225
(AP X500 queries.)-.4 F 1.226(Requires libldap and liblber from)6.226 F
2.799(the Umich LD)174 249 R 2.798(AP 3.2 or 3.3 release or equi)-.4 F
-.25(va)-.25 G 2.798(lent libraries for other LD).25 F(AP)-.4 E
(libraries such as OpenLD)174 261 Q(AP)-.4 E(.)-1.11 E 32.84
(HESIOD Compile)102 277.2 R(in support for Hesiod.)2.5 E 22.83
(MAP_NSD Compile)102 293.4 R(in support for IRIX NSD lookups.)2.5 E 9.5
(MAP_REGEX Compile)102 309.6 R(in support for re)2.5 E(gular e)-.15 E
(xpression matching.)-.15 E 27.83(DNSMAP Compile)102 325.8 R
(in support for DNS map lookups in the)2.5 E F2(sendmail.cf)2.5 E F1
(\214le.)2.5 E 30.05(PH_MAP Compile)102 342 R
(in support for ph lookups.)2.5 E 45.05(SASL Compile)102 358.2 R 1.474
(in support for SASL, a required component for SMTP Authentication)3.974
F(support.)174 370.2 Q(ST)102 386.4 Q(AR)-.93 E 21.58(TTLS Compile)-.6 F
(in support for ST)2.5 E(AR)-.93 E(TTLS.)-.6 E 48.95(EGD Compile)102
402.6 R .068(in support for the "Entrop)2.568 F 2.567(yG)-.1 G .067
(athering Daemon" to pro)-2.567 F .067(vide better random)-.15 F
(data for TLS.)174 414.6 Q -1.63(TCPWRAPPERS Compile)102 430.8 R
(in support for TCP Wrappers.)2.5 E(_P)102 447 Q -1.11(AT)-.92 G
(H_SENDMAILCF)1.11 E(The pathname of the sendmail.cf \214le.)174 459 Q
(_P)102 475.2 Q -1.11(AT)-.92 G(H_SENDMAILPID)1.11 E
(The pathname of the sendmail.pid \214le.)174 487.2 Q(SM_CONF_SHM)102
503.4 Q(Compile in support for shared memory)174 515.4 Q 2.5(,s)-.65 G
(ee section about "/v)-2.5 E(ar/spool/mqueue".)-.25 E(MIL)102 531.6 Q
33.2(TER Compile)-.92 F(in support for contacting e)2.5 E
(xternal mail \214lters b)-.15 E(uilt with the Milter API.)-.2 E 1.439
(There are also se)127 547.8 R -.15(ve)-.25 G 1.439
(ral compilation \215ags to indicate the en).15 F 1.44
(vironment such as \231_AIX3\232 and)-.4 F 2.5(\231_SCO_unix_\232. See)
102 559.8 R
(the sendmail/README \214le for the latest scoop on these \215ags.)2.5 E
F0 2.5(6.1.1. F)102 583.8 R(or Futur)-.25 E 2.5(eR)-.18 G(eleases)-2.5 E
F2(sendmail)142 600 Q F1 .641(often contains compile time options)3.141
F F2 -1.05(Fo)3.141 G 3.141(rF)1.05 G(utur)-3.141 E 3.141(eR)-.37 G
(eleases)-3.141 E F1 .641(\(pre\214x _FFR_\) which)3.141 F .432
(might be enabled in a subsequent v)117 612 R .432
(ersion or might simply be remo)-.15 F -.15(ve)-.15 G 2.933(da).15 G
2.933(st)-2.933 G(he)-2.933 E 2.933(yt)-.15 G .433(urned out not to)
-2.933 F 1.089(be really useful.)117 624 R 1.089
(These features are usually not documented b)6.089 F 1.089(ut if the)-.2
F 3.588(ya)-.15 G 1.088(re, then the required)-3.588 F 1.793(\(FFR\) co\
mpile time options are listed here for rulesets and macros, and in)117
636 R F2(cf/README)4.294 E F1(for)4.294 E .951(mc/cf options.)117 648 R
.951(FFR compile times options must be enabled when the sendmail binary\
 is b)5.951 F(uilt)-.2 E(from source.)117 660 Q
(Enabled FFRs in a binary can be listed with)5 E(sendmail -d0.13 < /de)
157 676.2 Q(v/null | grep FFR)-.25 E 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-96 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E 2.5(6.2. P)87 96 R
(arameters in sendmail/conf)-.1 E(.h)-.15 E/F1 10/Times-Roman@0 SF -.15
(Pa)127 112.2 S .895
(rameters and compilation options are de\214ned in conf.h.).15 F .896
(Most of these need not normally)5.895 F .193(be tweak)102 124.2 R .192
(ed; common parameters are all in sendmail.cf.)-.1 F(Ho)5.192 E(we)-.25
E -.15(ve)-.25 G .992 -.4(r, t).15 H .192(he sizes of certain primiti).4
F .492 -.15(ve ve)-.25 H(c-).15 E
(tors, etc., are included in this \214le.)102 136.2 Q(The numbers follo)
5 E(wing the parameters are their def)-.25 E(ault v)-.1 E(alue.)-.25 E
1.247(This document is not the best source of information for compilati\
on \215ags in conf.h \212 see)127 152.4 R
(sendmail/README or sendmail/conf.h itself.)102 164.4 Q(MAXLINE [2048])
102 180.6 Q 2.069(The maximum line length of an)11.14 F 4.568(yi)-.15 G
2.068(nput line.)-4.568 F 2.068(If message lines e)7.068 F 2.068
(xceed this)-.15 F .575(length the)188.4 192.6 R 3.075(yw)-.15 G .575
(ill still be processed correctly; ho)-3.075 F(we)-.25 E -.15(ve)-.25 G
1.375 -.4(r, h).15 H .575(eader lines, con\214gura-).4 F
(tion \214le lines, alias lines, etc., must \214t within this limit.)
188.4 204.6 Q(MAXN)102 220.8 Q(AME [256])-.35 E
(The maximum length of an)9.82 E 2.5(yn)-.15 G
(ame, such as a host or a user name.)-2.5 E(MAXPV [256])102 237 Q .25
(The maximum number of parameters to an)26.13 F 2.75(ym)-.15 G(ailer)
-2.75 E 5.25(.T)-.55 G .25(his limits the number of)-5.25 F .375
(recipients that may be passed in one transaction.)188.4 249 R .376
(It can be set to an)5.376 F 2.876(ya)-.15 G(rbitrary)-2.876 E .876
(number abo)188.4 261 R 1.176 -.15(ve a)-.15 H .876(bout 10, since).15 F
/F2 10/Times-Italic@0 SF(sendmail)3.376 E F1 .876(will break up a deli)
3.376 F -.15(ve)-.25 G .875(ry into smaller).15 F .886
(batches as needed.)188.4 273 R 3.386(Ah)5.886 G .887
(igher number may reduce load on your system, ho)-3.386 F(w-)-.25 E
-2.15 -.25(ev e)188.4 285 T -.55(r.).25 G(MAXQ)102 301.2 Q(UEUEGR)-.1 E
(OUPS [50])-.4 E(The maximum number of queue groups.)188.4 313.2 Q(MAXA)
102 329.4 Q -.18(TO)-1.11 G 2.5(M[).18 G 3.26(1000] The)-2.5 F .064
(maximum number of atoms \(tok)2.564 F .063(ens\) in a single address.)
-.1 F -.15(Fo)5.063 G 2.563(re).15 G .063(xample, the)-2.713 F
(address \231eric@CS.Berk)188.4 341.4 Q(ele)-.1 E -.65(y.)-.15 G
(EDU\232 is se).65 E -.15(ve)-.25 G 2.5(na).15 G(toms.)-2.5 E
(MAXMAILERS [25])102 357.6 Q .122(The maximum number of mailers that ma\
y be de\214ned in the con\214guration \214le.).02 F(This v)188.4 369.6 Q
(alue is de\214ned in include/sendmail/sendmail.h.)-.25 E(MAXR)102 385.8
Q(WSETS [200])-.55 E .432(The maximum number of re).01 F .432
(writing sets that may be de\214ned.)-.25 F .431(The \214rst half of)
5.431 F .034(these are reserv)188.4 397.8 R .034
(ed for numeric speci\214cation \(e.g., `)-.15 F(`S92')-.74 E .035
('\), while the upper half)-.74 F .492(are reserv)188.4 409.8 R .492
(ed for auto-numbering \(e.g., `)-.15 F(`Sfoo')-.74 E 2.992('\). Thus,)
-.74 F .492(with a v)2.992 F .491(alue of 200 an)-.25 F
(attempt to use `)188.4 421.8 Q(`S99')-.74 E 2.5('w)-.74 G
(ill succeed, b)-2.5 E(ut `)-.2 E(`S100')-.74 E 2.5('w)-.74 G(ill f)-2.5
E(ail.)-.1 E(MAXPRIORITIES [25])102 438 Q 2.481(The maximum number of v)
188.4 450 R 2.482(alues for the \231Precedence:\232 \214eld that may be)
-.25 F(de\214ned \(using the)188.4 462 Q F0(P)2.5 E F1
(line in sendmail.cf\).)2.5 E(MAXUSERENVIR)102 478.2 Q(ON [100])-.4 E
.399(The maximum number of items in the user en)188.4 490.2 R .399
(vironment that will be passed to)-.4 F(subordinate mailers.)188.4 502.2
Q(MAXMXHOSTS [100])102 518.4 Q
(The maximum number of MX records we will accept for an)188.4 530.4 Q
2.5(ys)-.15 G(ingle host.)-2.5 E(MAXMAPST)102 546.6 Q -.4(AC)-.93 G 2.5
(K[).4 G(12])-2.5 E 1.65(The maximum number of maps that may be "stack)
188.4 558.6 R 1.65(ed" in a)-.1 F F0(sequence)4.15 E F1(class)4.15 E
(map.)188.4 570.6 Q(MAXMIMEARGS [20])102 586.8 Q .718
(The maximum number of ar)188.4 598.8 R .718
(guments in a MIME Content-T)-.18 F .718(ype: header; addi-)-.8 F
(tional ar)188.4 610.8 Q(guments will be ignored.)-.18 E
(MAXMIMENESTING [20])102 627 Q .4(The maximum depth to which MIME messa\
ges may be nested \(that is, nested)188.4 639 R 1.344(Message or Multip\
art documents; this does not limit the number of compo-)188.4 651 R
(nents in a single Multipart document\).)188.4 663 Q(MAXD)102 679.2 Q
(AEMONS [10])-.4 E 1.353(The maximum number of sock)188.4 691.2 R 1.353
(ets sendmail will open for accepting connec-)-.1 F(tions on dif)188.4
703.2 Q(ferent ports.)-.25 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-97)195.86 E/F1 10/Times-Roman@0 SF(MAXMA)102 96 Q(CN)-.4 E
(AMELEN [25])-.35 E(The maximum length of a macro name.)188.4 108 Q
2.851(An)102 124.2 S .351(umber of other compilation options e)-2.851 F
2.851(xist. These)-.15 F .35
(specify whether or not speci\214c code should be)2.851 F(compiled in.)
102 136.2 Q(Ones mark)5 E(ed with \207 are 0/1 v)-.1 E(alued.)-.25 E
36.69(NETINET\207 If)102 152.4 R .829
(set, support for Internet protocol netw)3.329 F .829
(orking is compiled in.)-.1 F(Pre)5.829 E .83(vious v)-.25 F(er)-.15 E
(-)-.2 E .178(sions of)188.4 164.4 R/F2 10/Times-Italic@0 SF(sendmail)
2.678 E F1 .178(referred to this as)2.678 F/F3 9/Times-Roman@0 SF -.36
(DA)2.678 G(EMON).36 E F1 2.677(;t)C .177(his old usage is no)-2.677 F
2.677(wi)-.25 G(ncorrect.)-2.677 E(Def)188.4 176.4 Q 1.87
(aults on; turn it of)-.1 F 4.37(fi)-.25 G 4.37(nt)-4.37 G 1.87(he Mak)
-4.37 F 1.87(e\214le if your system doesn')-.1 F 4.37(ts)-.18 G 1.87
(upport the)-4.37 F(Internet protocols.)188.4 188.4 Q 31.69
(NETINET6\207 If)102 204.6 R 2.26(set, support for IPv6 netw)4.76 F 2.26
(orking is compiled in.)-.1 F 2.26(It must be separately)7.26 F
(enabled by adding)188.4 216.6 Q F0(DaemonP)2.5 E(ortOptions)-.2 E F1
(settings.)2.5 E 43.35(NETISO\207 If)102 232.8 R .142
(set, support for ISO protocol netw)2.642 F .143
(orking is compiled in \(it may be appropri-)-.1 F
(ate to #de\214ne this in the Mak)188.4 244.8 Q
(e\214le instead of conf.h\).)-.1 E 34.47(NETUNIX\207 If)102 261 R .39
(set, support for UNIX domain sock)2.89 F .39(ets is compiled in.)-.1 F
.39(This is used for con-)5.39 F(trol sock)188.4 273 Q(et support.)-.1 E
63.35(LOG If)102 289.2 R .5(set, the)3 F F2(syslo)3 E(g)-.1 E F1 .5
(routine in use at some sites is used.)3 F .5(This mak)5.5 F .5
(es an informa-)-.1 F .504
(tional log record for each message processed, and mak)188.4 301.2 R
.504(es a higher priority log)-.1 F .052
(record for internal system errors.)188.4 313.2 R F0(STR)5.052 E(ONGL)
-.3 E 2.552(YR)-.92 G(ECOMMENDED)-2.552 E F1 2.553<8a69>2.552 G 2.553
(fy)-2.553 G(ou)-2.553 E -.1(wa)188.4 325.2 S(nt no logging, turn it of)
.1 E 2.5(fi)-.25 G 2.5(nt)-2.5 G(he con\214guration \214le.)-2.5 E(MA)
102 341.4 Q 11.12(TCHGECOS\207 Compile)-1.11 F 3.555
(in the code to do `)6.055 F 3.555(`fuzzy matching')-.74 F 6.055('o)-.74
G 6.055(nt)-6.055 G 3.555(he GECOS \214eld in)-6.055 F 2.5
(/etc/passwd. This)188.4 353.4 R(also requires that the)2.5 E F0
(MatchGECOS)2.5 E F1(option be turned on.)2.5 E -.35(NA)102 369.6 S
13.15(MED_BIND\207 Compile).35 F .412(in code to use the Berk)2.912 F
(ele)-.1 E 2.913(yI)-.15 G .413(nternet Name Domain \(BIND\) serv)-2.913
F .413(er to)-.15 F(resolv)188.4 381.6 Q 2.5(eT)-.15 G
(CP/IP host names.)-2.5 E(NO)102 397.8 Q 38.76(TUNIX If)-.4 F .248(you \
are using a non-UNIX mail format, you can set this \215ag to turn of)
2.748 F 2.747(fs)-.25 G(pe-)-2.747 E
(cial processing of UNIX-style \231From \232 lines.)188.4 409.8 Q 39.45
(USERDB\207 Include)102 426 R(the)3.448 E F0(experimental)3.448 E F1
(Berk)3.449 E(ele)-.1 E 3.449(yu)-.15 G .949
(ser information database package.)-3.449 F(This)5.949 E .27(adds a ne)
188.4 438 R 2.77(wl)-.25 G -2.15 -.25(ev e)-2.77 H 2.77(lo).25 G 2.77
(fl)-2.77 G .27(ocal name e)-2.77 F .27
(xpansion between aliasing and forw)-.15 F 2.77(arding. It)-.1 F
(also uses the NEWDB package.)188.4 450 Q
(This may change in future releases.)5 E(The follo)102 466.2 Q
(wing options are normally turned on in per)-.25 E
(-operating-system clauses in conf.h.)-.2 E(IDENTPR)102 482.4 Q -1.88
-.4(OT O)-.4 H 19.61<8743>.4 G .375
(ompile in the IDENT protocol as de\214ned in RFC 1413.)-19.61 F .376
(This def)5.376 F .376(aults on for)-.1 F 1.053(all systems e)188.4
494.4 R 1.053(xcept Ultrix, which apparently has the interesting \231fe\
ature\232 that)-.15 F .83(when it recei)188.4 506.4 R -.15(ve)-.25 G
3.33(sa\231).15 G .83
(host unreachable\232 message it closes all open connections)-3.33 F
1.922(to that host.)188.4 518.4 R 1.922(Since some \214re)6.922 F -.1
(wa)-.25 G 1.922(ll g).1 F(ate)-.05 E -.1(wa)-.25 G 1.921
(ys send this error code when you).1 F 2.055(access an unauthorized por\
t \(such as 113, used by IDENT\), Ultrix cannot)188.4 530.4 R(recei)
188.4 542.4 Q .3 -.15(ve e)-.25 H(mail from such hosts.).15 E 39.45
(SYSTEM5 Set)102 558.6 R
(all of the compilation parameters appropriate for System V)2.5 E(.)
-1.29 E 26.12(HASFLOCK\207 Use)102 574.8 R(Berk)2.845 E(ele)-.1 E
(y-style)-.15 E F0(\215ock)2.845 E F1 .345(instead of System V)2.845 F
F0(lockf)2.845 E F1 .344(to do \214le locking.)2.845 F .344(Due to)5.344
F .184(the highly unusual semantics of locks across forks in)188.4 586.8
R F0(lockf)2.684 E F1 2.684(,t)C .185(his should al)-2.684 F -.1(wa)-.1
G(ys).1 E(be used if at all possible.)188.4 598.8 Q(HASINITGR)102 615 Q
4.86(OUPS Set)-.4 F 1.284(this if your system has the)3.784 F F2(initgr)
3.784 E(oups\(\))-.45 E F1 1.284(call \(if you ha)3.784 F 1.583 -.15
(ve m)-.2 H 1.283(ultiple group).15 F 4.416(support\). This)188.4 627 R
1.916(is the def)4.416 F 1.916(ault if SYSTEM5 is)-.1 F F2(not)4.416 E
F1 1.917(de\214ned or if you are on)4.417 F(HPUX.)188.4 639 Q(HASUN)102
655.2 Q 27.59(AME Set)-.35 F 1.149(this if you ha)3.649 F 1.448 -.15
(ve t)-.2 H(he).15 E F2(uname)3.648 E F1 1.148
(\(2\) system call \(or corresponding library rou-)B 2.5(tine\). Set)
188.4 667.2 R(by def)2.5 E(ault if SYSTEM5 is set.)-.1 E(HASGETDT)102
683.4 Q(ABLESIZE)-.93 E(Set this if you ha)188.4 695.4 Q .3 -.15(ve t)
-.2 H(he).15 E F2 -.1(ge)2.5 G(tdtablesize).1 E F1(\(2\) system call.)A
(HASW)102 711.6 Q 22.89(AITPID Set)-1.2 F(this if you ha)2.5 E .3 -.15
(ve t)-.2 H(he).15 E F2(haswaitpid)2.5 E F1(\(2\) system call.)A 0 Cg EP
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/F0 10/Times-Bold@0 SF 193.36(SMM:08-98 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF -.74(FA)
102 96 S(ST_PID_RECYCLE).74 E .542(Set this if your system can possibly\
 reuse the same pid in the same second of)188.4 108 R(time.)188.4 120 Q
37.22(SFS_TYPE The)102 136.2 R .517
(mechanism that can be used to get \214le system capacity information.)
3.017 F(The)5.516 E -.25(va)188.4 148.2 S .214
(lues can be one of SFS_UST).25 F 2.435 -1.11(AT \()-.93 H .215
(use the ustat\(2\) syscall\), SFS_4ARGS \(use)1.11 F .415(the four ar)
188.4 160.2 R .415(gument statfs\(2\) syscall\), SFS_VFS \(use the tw)
-.18 F 2.915(oa)-.1 G -.18(rg)-2.915 G .415(ument statfs\(2\)).18 F .716
(syscall including <sys/vfs.h>\), SFS_MOUNT \(use the tw)188.4 172.2 R
3.217(oa)-.1 G -.18(rg)-3.217 G .717(ument statfs\(2\)).18 F 4.32
(syscall including <sys/mount.h>\), SFS_ST)188.4 184.2 R -1.11(AT)-.93 G
4.32(FS \(use the tw)1.11 F 6.82(oa)-.1 G -.18(rg)-6.82 G(ument).18 E
1.108(statfs\(2\) syscall including <sys/statfs.h>\), SFS_ST)188.4 196.2
R -1.11(AT)-.93 G 1.109(VFS \(use the tw)1.11 F 3.609(oa)-.1 G -.18(rg)
-3.609 G(u-).18 E 1.511(ment statfs\(2\) syscall including <sys/statvfs\
.h>\), or SFS_NONE \(no w)188.4 208.2 R 1.511(ay to)-.1 F
(get this information\).)188.4 220.2 Q 40.57(LA_TYPE The)102 236.4 R
(load a)2.5 E -.15(ve)-.2 G(rage type.).15 E(Details are described belo)
5 E -.65(w.)-.25 G .342(The are se)102 252.6 R -.15(ve)-.25 G .342
(ral b).15 F .342(uilt-in w)-.2 F .342(ays of computing the load a)-.1 F
-.15(ve)-.2 G(rage.).15 E/F2 10/Times-Italic@0 SF(Sendmail)5.342 E F1
.343(tries to auto-con\214gure them)2.842 F .267
(based on imperfect guesses; you can select one using the)102 264.6 R F2
(cc)2.766 E F1(option)2.766 E F0(\255DLA_TYPE=)2.766 E F2(type)A F1
2.766(,w)C(here)-2.766 E F2(type)2.766 E F1(is:)102 276.6 Q 48.91
(LA_INT The)102 292.8 R -.1(ke)3.452 G .952(rnel stores the load a).1 F
-.15(ve)-.2 G .952(rage in the k).15 F .952
(ernel as an array of long inte)-.1 F(gers.)-.15 E(The actual v)188.4
304.8 Q(alues are scaled by a f)-.25 E(actor FSCALE \(def)-.1 E
(ault 256\).)-.1 E(LA_SHOR)102 321 Q 35.89(TT)-.6 G .794(he k)-35.89 F
.794(ernel stores the load a)-.1 F -.15(ve)-.2 G .794(rage in the k).15
F .793(ernel as an array of short inte)-.1 F(gers.)-.15 E(The actual v)
188.4 333 Q(alues are scaled by a f)-.25 E(actor FSCALE \(def)-.1 E
(ault 256\).)-.1 E(LA_FLO)102 349.2 Q 37.03 -1.11(AT T)-.35 H .088(he k)
1.11 F .088(ernel stores the load a)-.1 F -.15(ve)-.2 G .089
(rage in the k).15 F .089(ernel as an array of double precision)-.1 F
(\215oats.)188.4 361.2 Q(LA_MA)102 377.4 Q 35.97(CH Use)-.4 F(MA)2.5 E
(CH-style load a)-.4 E -.15(ve)-.2 G(rages.).15 E 39.45(LA_SUBR Call)102
393.6 R(the)2.5 E F2 -.1(ge)2.5 G(tloadavg).1 E F1
(routine to get the load a)2.5 E -.15(ve)-.2 G
(rage as an array of doubles.).15 E(LA_ZER)102 409.8 Q 42.36(OA)-.4 G
-.1(lwa)-42.36 G(ys return zero as the load a).1 E -.15(ve)-.2 G 2.5
(rage. This).15 F(is the f)2.5 E(allback case.)-.1 E .494(If type)102
426 R/F3 9/Times-Roman@0 SF(LA_INT)2.994 E F1(,)A F3(LA_SHOR)2.994 E(T)
-.54 E F1 2.994(,o)C(r)-2.994 E F3(LA_FLO)2.993 E -.999(AT)-.315 G F1
.493(is speci\214ed, you may also need to specify)3.992 F F3(_P)2.993 E
-.999(AT)-.828 G(H_UNIX).999 E F1 .948
(\(the path to your system binary\) and)102 438 R F3(LA_A)3.448 E(VENR)
-1.215 E(UN)-.36 E F1 .949(\(the name of the v)3.448 F .949
(ariable containing the load)-.25 F -2.25 -.2(av e)102 450 T
(rage in the k).2 E(ernel; usually \231_a)-.1 E -.15(ve)-.2 G
(nrun\232 or \231a).15 E -.15(ve)-.2 G(nrun\232\).).15 E F0 2.5
(6.3. Con\214guration)87 474 R(in sendmail/conf)2.5 E(.c)-.15 E F1
(The follo)127 490.2 Q(wing changes can be made in conf.c.)-.25 E F0 2.5
(6.3.1. Built-in)102 514.2 R(Header Semantics)2.5 E F1 1.248
(Not all header semantics are de\214ned in the con\214guration \214le.)
142 530.4 R 1.247(Header lines that should)6.247 F .305(only be include\
d by certain mailers \(as well as other more obscure semantics\) must b\
e speci\214ed)117 542.4 R .047(in the)117 554.4 R F2(HdrInfo)2.547 E F1
.047(table in)2.547 F F2(conf)2.547 E(.c)-.15 E F1 5.047(.T)C .046
(his table contains the header name \(which should be in all lo)-5.047 F
(wer)-.25 E(case\) and a set of header control \215ags \(described belo)
117 566.4 Q(w\), The \215ags are:)-.25 E(H_A)117 582.6 Q 30.97
(CHECK Normally)-.4 F .007
(when the check is made to see if a header line is compatible with)2.507
F 2.941(am)203.4 594.6 S(ailer)-2.941 E(,)-.4 E F2(sendmail)2.941 E F1
.441(will not delete an e)2.941 F .441(xisting line.)-.15 F .44
(If this \215ag is set,)5.441 F F2(send-)2.94 E(mail)203.4 606.6 Q F1
.152(will delete e)2.652 F -.15(ve)-.25 G 2.652(ne).15 G .152
(xisting header lines.)-2.802 F .152
(That is, if this bit is set and the)5.152 F 1.425(mailer does not ha)
203.4 618.6 R 1.725 -.15(ve \215)-.2 H 1.425
(ag bits set that intersect with the required mailer).15 F 2.204
(\215ags in the header de\214nition in sendmail.cf, the header line is)
203.4 630.6 R F2(always)4.704 E F1(deleted.)203.4 642.6 Q 51.13
(H_EOH If)117 658.8 R .206(this header \214eld is set, treat it lik)
2.706 F 2.706(eab)-.1 G .206(lank line, i.e., it will signal the end)
-2.706 F(of the header and the be)203.4 670.8 Q
(ginning of the message te)-.15 E(xt.)-.15 E 39.45(H_FORCE Add)117 687 R
2.038(this header entry e)4.538 F -.15(ve)-.25 G 4.538(ni).15 G 4.538
(fo)-4.538 G 2.038(ne e)-4.538 F 2.039(xisted in the message before.)
-.15 F 2.039(If a)7.039 F 2.189(header entry does not ha)203.4 699 R
2.488 -.15(ve t)-.2 H 2.188(his bit set,).15 F F2(sendmail)4.688 E F1
2.188(will not add another)4.688 F .62
(header line if a header line of this name already e)203.4 711 R 3.12
(xisted. This)-.15 F -.1(wo)3.12 G .62(uld nor).1 F(-)-.2 E
(mally be used to stamp the message by e)203.4 723 Q -.15(ve)-.25 G
(ryone who handled it.).15 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-99)195.86 E/F1 10/Times-Roman@0 SF(H_TRA)117 96 Q 39.3(CE If)-.4
F 1.044(set, this is a timestamp \(trace\) \214eld.)3.544 F 1.043
(If the number of trace \214elds in a)6.043 F .705(message e)203.4 108 R
.705(xceeds a preset amount the message is returned on the assump-)-.15
F(tion that it has an aliasing loop.)203.4 120 Q 46.67(H_RCPT If)117
136.2 R .332(set, this \214eld contains recipient addresses.)2.833 F
.332(This is used by the)5.332 F F0<ad74>2.832 E F1 .332(\215ag to)2.832
F 1.349(determine who to send to when it is collecting recipients from \
the mes-)203.4 148.2 R(sage.)203.4 160.2 Q(H_FR)117 176.4 Q 43.74
(OM This)-.4 F 1.673
(\215ag indicates that this \214eld speci\214es a sender)4.174 F 6.673
(.T)-.55 G 1.673(he order of these)-6.673 F .898(\214elds in the)203.4
188.4 R/F2 10/Times-Italic@0 SF(HdrInfo)3.398 E F1 .898
(table speci\214es)3.398 F F2(sendmail)3.398 E F1 1.998 -.55('s p)D .898
(reference for which \214eld).55 F(to return error messages to.)203.4
200.4 Q(H_ERR)117 216.6 Q(ORST)-.4 E 22.53(OA)-.18 G
(ddresses in this header should recei)-22.53 E .3 -.15(ve e)-.25 H
(rror messages.).15 E 52.79(H_CTE This)117 232.8 R
(header is a Content-T)2.5 E(ransfer)-.35 E(-Encoding header)-.2 E(.)
-.55 E 40.01(H_CTYPE This)117 249 R(header is a Content-T)2.5 E
(ype header)-.8 E(.)-.55 E 51.67(H_BCC Strip)117 265.2 R(the v)2.5 E
(alue from the header \(for Bcc:\).)-.25 E(Let')117 281.4 Q 2.5(sl)-.55
G(ook at a sample)-2.5 E F2(HdrInfo)2.5 E F1(speci\214cation:)2.5 E
(struct hdrinfo)157 297.6 Q(HdrInfo[] =)84.6 E({)157 309.6 Q
(/* originator \214elds, most to least signi\214cant)189.5 321.6 Q(*/)5
E 52.29("resent-sender", H_FR)177 333.6 R(OM,)-.4 E 58.95
("resent-from", H_FR)177 345.6 R(OM,)-.4 E 79.5("sender", H_FR)177 357.6
R(OM,)-.4 E 86.16("from", H_FR)177 369.6 R(OM,)-.4 E 66.72
("full-name", H_A)177 381.6 R(CHECK,)-.4 E 71.17("errors-to", H_FR)177
393.6 R -1.667(OM | H_ERR)-.4 F(ORST)-.4 E(O,)-.18 E
(/* destination \214elds */)189.5 405.6 Q 97.82("to", H_RCPT)177 417.6 R
(,)-.74 E 70.61("resent-to", H_RCPT)177 429.6 R(,)-.74 E 96.72
("cc", H_RCPT)177 441.6 R(,)-.74 E 91.72("bcc", H_RCPT)177 453.6 R .833
(|H).833 G(_BCC,)-.833 E(/* message identi\214cation and control */)
189.5 465.6 Q 71.72("message", H_EOH,)177 477.6 R("te)177 489.6 Q 90.75
(xt", H_EOH,)-.15 F(/* trace \214elds */)189.5 501.6 Q("recei)177 513.6
Q -.15(ve)-.25 G 72.13(d", H_TRA).15 F -1.667(CE | H_FORCE,)-.4 F
(/* miscellaneous \214elds */)189.5 525.6 Q("content-transfer)177 537.6
Q 2.5(-encoding", H_CTE,)-.2 F 55.61("content-type", H_CTYPE,)177 549.6
R 87.1(NULL, 0,)177 573.6 R(};)157 585.6 Q 2.435
(This structure indicates that the \231T)117 601.8 R 2.435
(o:\232, \231Resent-T)-.8 F 2.435
(o:\232, and \231Cc:\232 \214elds all specify recipient)-.8 F 3.161
(addresses. An)117 613.8 R 3.161<7999>-.15 G .662(Full-Name:\232 \214el\
d will be deleted unless the required mailer \215ag \(indicated in)
-3.161 F .246(the con\214guration \214le\) is speci\214ed.)117 625.8 R
.245(The \231Message:\232 and \231T)5.246 F -.15(ex)-.7 G .245
(t:\232 \214elds will terminate the header;).15 F 1.936
(these are used by random dissenters around the netw)117 637.8 R 1.936
(ork w)-.1 F 4.436(orld. The)-.1 F(\231Recei)4.436 E -.15(ve)-.25 G
1.937(d:\232 \214eld will).15 F(al)117 649.8 Q -.1(wa)-.1 G
(ys be added, and can be used to trace messages.).1 E .446
(There are a number of important points here.)142 666 R .445
(First, header \214elds are not added automati-)5.446 F .656
(cally just because the)117 678 R 3.156(ya)-.15 G .656(re in the)-3.156
F F2(HdrInfo)3.157 E F1 .657(structure; the)3.157 F 3.157(ym)-.15 G .657
(ust be speci\214ed in the con\214guration)-3.157 F .728
(\214le in order to be added to the message.)117 690 R(An)5.727 E 3.227
(yh)-.15 G .727(eader \214elds mentioned in the con\214guration \214le)
-3.227 F -.2(bu)117 702 S 3.24(tn).2 G .74(ot mentioned in the)-3.24 F
F2(HdrInfo)3.24 E F1 .74(structure ha)3.24 F 1.04 -.15(ve d)-.2 H(ef).15
E .74(ault processing performed; that is, the)-.1 F 3.24(ya)-.15 G(re)
-3.24 E 1.375(added unless the)117 714 R 3.875(yw)-.15 G 1.375
(ere in the message already)-3.875 F 6.375(.S)-.65 G 1.374(econd, the)
-6.375 F F2(HdrInfo)3.874 E F1 1.374(structure only speci\214es)3.874 F
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/F0 10/Times-Bold@0 SF 188.36(SMM:08-100 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF .324(cli\
ched processing; certain headers are processed specially by ad hoc code\
 re)117 96 R -.05(ga)-.15 G .325(rdless of the sta-).05 F .481
(tus speci\214ed in)117 108 R/F2 10/Times-Italic@0 SF(HdrInfo)2.981 E F1
5.481(.F)C .481(or e)-5.631 F .481
(xample, the \231Sender:\232 and \231From:\232 \214elds are al)-.15 F
-.1(wa)-.1 G .48(ys scanned on).1 F(ARP)117 122 Q .751
(ANET mail to determine the sender)-.92 F/F3 7/Times-Roman@0 SF(24)-4 I
F1 3.251(;t)4 K .75
(his is used to perform the \231return to sender\232 func-)-3.251 F
2.976(tion. The)117 134 R .476(\231From:\232 and \231Full-Name:\232 \
\214elds are used to determine the full name of the sender if)2.976 F
(possible; this is stored in the macro)117 146 Q F0($x)2.5 E F1
(and used in a number of w)2.5 E(ays.)-.1 E F0 2.5(6.3.2. Restricting)
102 170 R(Use of Email)2.5 E F1 .15
(If it is necessary to restrict mail through a relay)142 186.2 R 2.649
(,t)-.65 G(he)-2.649 E F2 -.15(ch)2.649 G(ec).15 E(kcompat)-.2 E F1 .149
(routine can be modi\214ed.)2.649 F .163(This routine is called for e)
117 198.2 R -.15(ve)-.25 G .163(ry recipient address.).15 F .163
(It returns an e)5.163 F .163(xit status indicating the status of)-.15 F
.895(the message.)117 210.2 R .895(The status)5.895 F/F4 9/Times-Roman@0
SF(EX_OK)3.395 E F1 .895(accepts the address,)3.395 F F4(EX_TEMPF)3.395
E(AIL)-.666 E F1 .895(queues the message for a)3.395 F .263(later try)
117 222.2 R 2.763(,a)-.65 G .263(nd other v)-2.763 F .264
(alues \(commonly)-.25 F F4(EX_UN)2.764 E -1.215(AVA)-.315 G(ILABLE)
1.215 E F1 2.764(\)r)C .264(eject the message.)-2.764 F .264
(It is up to)5.264 F F2 -.15(ch)2.764 G(ec).15 E(k-)-.2 E(compat)117
234.2 Q F1 .43(to print an error message \(using)2.93 F F2(usr)2.929 E
(err)-.37 E F1 2.929(\)i)C 2.929(ft)-2.929 G .429
(he message is rejected.)-2.929 F -.15(Fo)5.429 G 2.929(re).15 G
(xample,)-3.079 E F2 -.15(ch)2.929 G(ec).15 E(k-)-.2 E(compat)117 246.2
Q F1(could read:)2.5 E F4(int)157 261.2 Q(checkcompat\(to, e\))157 272 Q
(re)175 282.8 Q(gister ADDRESS *to;)-.135 E(re)175 293.6 Q
(gister ENVELOPE *e;)-.135 E({)157 304.4 Q(re)175 315.2 Q(gister ST)
-.135 E(AB *s;)-.837 E 2.25(s=s)175 336.8 S(tab\("pri)-2.25 E -.225(va)
-.225 G(te", ST_MAILER, ST_FIND\);).225 E
(if \(s != NULL && e\255>e_from.q_mailer != LocalMailer &&)175 347.6 Q
(to->q_mailer == s->s_mailer\))184 358.4 Q({)175 369.2 Q
(usrerr\("No pri)193 380 Q -.225(va)-.225 G(te net mail allo).225 E
(wed through this machine"\);)-.225 E(return \(EX_UN)193 390.8 Q -1.215
(AVA)-.315 G(ILABLE\);)1.215 E(})175 401.6 Q
(if \(MsgSize > 50000 && bitnset\(M_LOCALMAILER, to\255>q_mailer\)\))175
412.4 Q({)175 423.2 Q(usrerr\("Message too lar)193 434 Q
(ge for non-local deli)-.162 E -.135(ve)-.225 G(ry"\);).135 E
(e\255>e_\215ags |= EF_NORETURN;)193 444.8 Q(return \(EX_UN)193 455.6 Q
-1.215(AVA)-.315 G(ILABLE\);)1.215 E(})175 466.4 Q(return \(EX_OK\);)175
477.2 Q(})157 488 Q F1 .969(This w)117 504.2 R .969
(ould reject messages greater than 50000 bytes unless the)-.1 F 3.469
(yw)-.15 G .97(ere local.)-3.469 F(The)5.97 E F2(EF_NORE-)3.47 E(TURN)
117 516.2 Q F1 .652(\215ag can be set in)3.152 F F2(e)3.152 E/F5 10
/Symbol SF<ae>A F2(e_\215a)A(gs)-.1 E F1 .651
(to suppress the return of the actual body of the message in)3.152 F
.655(the error return.)117 528.2 R .655(The actual use of this routine \
is highly dependent on the implementation, and)5.655 F
(use should be limited.)117 540.2 Q F0 2.5(6.3.3. New)102 564.2 R
(Database Map Classes)2.5 E F1(Ne)142 580.4 Q 2.876(wk)-.25 G .676 -.15
(ey m)-2.976 H .375(aps can be added by creating a class initialization\
 function and a lookup func-).15 F 2.5(tion. These)117 592.4 R
(are then added to the routine)2.5 E F2(setupmaps.)2.5 E F1
(The initialization function is called as)142 608.6 Q F2(xxx)157 624.8 Q
F1(_map_init\(MAP *map, char *ar)A(gs\))-.18 E(The)117 641 Q F2(map)
3.279 E F1 .779(is an internal data structure.)3.279 F(The)5.779 E F2
(ar)3.279 E(gs)-.37 E F1 .78
(is a pointer to the portion of the con\214guration)3.279 F .397
(\214le line follo)117 653 R .396
(wing the map class name; \215ags and \214lenames can be e)-.25 F .396
(xtracted from this line.)-.15 F(The)5.396 E
(initialization function must return)117 665 Q F4(true)2.5 E F1
(if it successfully opened the map,)2.5 E F4 -.09(fa)2.5 G(lse).09 E F1
(otherwise.)2.5 E .32 LW 76 674.6 72 674.6 DL 80 674.6 76 674.6 DL 84
674.6 80 674.6 DL 88 674.6 84 674.6 DL 92 674.6 88 674.6 DL 96 674.6 92
674.6 DL 100 674.6 96 674.6 DL 104 674.6 100 674.6 DL 108 674.6 104
674.6 DL 112 674.6 108 674.6 DL 116 674.6 112 674.6 DL 120 674.6 116
674.6 DL 124 674.6 120 674.6 DL 128 674.6 124 674.6 DL 132 674.6 128
674.6 DL 136 674.6 132 674.6 DL 140 674.6 136 674.6 DL 144 674.6 140
674.6 DL 148 674.6 144 674.6 DL 152 674.6 148 674.6 DL 156 674.6 152
674.6 DL 160 674.6 156 674.6 DL 164 674.6 160 674.6 DL 168 674.6 164
674.6 DL 172 674.6 168 674.6 DL 176 674.6 172 674.6 DL 180 674.6 176
674.6 DL 184 674.6 180 674.6 DL 188 674.6 184 674.6 DL 192 674.6 188
674.6 DL 196 674.6 192 674.6 DL 200 674.6 196 674.6 DL 204 674.6 200
674.6 DL 208 674.6 204 674.6 DL 212 674.6 208 674.6 DL 216 674.6 212
674.6 DL/F6 5/Times-Roman@0 SF(24)93.6 685 Q/F7 8/Times-Roman@0 SF
(Actually)3.2 I 2.631(,t)-.52 G .631
(his is no longer true in SMTP; this information is contained in the en)
-2.631 F -.12(ve)-.32 G 2.632(lope. The).12 F .632(older ARP)2.632 F
.632(ANET protocols did)-.736 F(not completely distinguish en)72 697.8 Q
-.12(ve)-.32 G(lope from header).12 E(.)-.44 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-101)190.86 E/F1 10/Times-Roman@0 SF
(The lookup function is called as)142 96 Q/F2 10/Times-Italic@0 SF(xxx)
157 112.2 Q F1(_map_lookup\(MAP *map, char b)A(uf[], char **a)-.2 E 1.3
-.65(v, i)-.2 H(nt *statp\)).65 E(The)117 128.4 Q F2(map)2.772 E F1 .272
(de\214nes the map internally)2.772 F 5.273(.T)-.65 G(he)-5.273 E F2 -.2
(bu)2.773 G(f).2 E F1 .273(has the input k)2.773 F -.15(ey)-.1 G 5.273
(.T)-.5 G .273(his may be \(and often is\) used)-5.273 F(destructi)117
140.4 Q -.15(ve)-.25 G(ly).15 E 5.152(.T)-.65 G(he)-5.152 E F2(av)2.652
E F1 .151(is a list of ar)2.652 F .151(guments passed in from the re)
-.18 F .151(write line.)-.25 F .151(The lookup function)5.151 F .322
(should return a pointer to the ne)117 152.4 R 2.822(wv)-.25 G 2.822
(alue. If)-3.072 F .322(the map lookup f)2.822 F(ails,)-.1 E F2(*statp)
2.822 E F1 .322(should be set to an e)2.822 F(xit)-.15 E .302
(status code; in particular)117 164.4 R 2.802(,i)-.4 G 2.802(ts)-2.802 G
.302(hould be set to)-2.802 F/F3 9/Times-Roman@0 SF(EX_TEMPF)2.802 E
(AIL)-.666 E F1 .302(if reco)2.802 F -.15(ve)-.15 G .301
(ry is to be attempted by the).15 F(higher le)117 176.4 Q -.15(ve)-.25 G
2.5(lc).15 G(ode.)-2.5 E F0 2.5(6.3.4. Queueing)102 200.4 R(Function)2.5
E F1 .782(The routine)142 216.6 R F2(shouldqueue)3.282 E F1 .783
(is called to decide if a message should be queued or processed)3.283 F
(immediately)117 228.6 Q 6.619(.T)-.65 G 1.618
(ypically this compares the message priority to the current load a)
-7.419 F -.15(ve)-.2 G 4.118(rage. The).15 F(def)117 240.6 Q
(ault de\214nition is:)-.1 E(bool)157 256.8 Q(shouldqueue\(pri, ctime\))
157 268.8 Q(long pri;)175 280.8 Q(time_t ctime;)175 292.8 Q({)157 304.8
Q(if \(CurrentLA < QueueLA\))175 316.8 Q(return f)193 328.8 Q(alse;)-.1
E(return \(pri > \(QueueF)175 340.8 Q
(actor / \(CurrentLA \255 QueueLA + 1\)\)\);)-.15 E(})157 352.8 Q 2.062
(If the current load a)117 369 R -.15(ve)-.2 G 2.062(rage \(global v).15
F(ariable)-.25 E F2(Curr)4.562 E(entLA)-.37 E F1 4.562(,w)C 2.062
(hich is set before this function is)-4.562 F 1.058
(called\) is less than the lo)117 381 R 3.558(wt)-.25 G 1.058
(hreshold load a)-3.558 F -.15(ve)-.2 G 1.058(rage \(option).15 F F0(x)
3.557 E F1 3.557(,v)C(ariable)-3.807 E F2(QueueLA)3.557 E F1(\),)A F2
(shouldqueue)3.557 E F1(returns)117 393 Q F3 -.09(fa)3.248 G(lse).09 E
F1 .748(immediately \(that is, it should)3.248 F F2(not)3.248 E F1 3.249
(queue\). If)3.249 F .749(the current load a)3.249 F -.15(ve)-.2 G .749
(rage e).15 F .749(xceeds the)-.15 F 1.419(high threshold load a)117 405
R -.15(ve)-.2 G 1.419(rage \(option).15 F F0(X)3.919 E F1 3.919(,v)C
(ariable)-4.169 E F2(RefuseLA)3.919 E F1(\),)A F2(shouldqueue)3.918 E F1
(returns)3.918 E F3(true)3.918 E F1(immedi-)3.918 E(ately)117 417 Q
7.125(.O)-.65 G 2.125
(therwise, it computes the function based on the message priority)-7.125
F 4.626(,t)-.65 G 2.126(he queue f)-4.626 F(actor)-.1 E(\(option)117 429
Q F0(q)2.5 E F1 2.5(,g)C(lobal v)-2.5 E(ariable)-.25 E F2(QueueF)2.5 E
(actor)-.75 E F1(\), and the current and threshold load a)A -.15(ve)-.2
G(rages.).15 E 1.067(An implementation wishing to tak)142 445.2 R 3.567
(et)-.1 G 1.066(he actual age of the message into account can also)
-3.567 F 1.41(use the)117 457.2 R F2(ctime)3.91 E F1(parameter)3.91 E
3.91(,w)-.4 G 1.41(hich is the time that the message w)-3.91 F 1.41
(as \214rst submitted to)-.1 F F2(sendmail)3.91 E F1(.)A .929
(Note that the)117 469.2 R F2(pri)3.428 E F1 .928(parameter is already \
weighted by the number of times the message has been)3.428 F .395
(tried \(although this tends to lo)117 481.2 R .395
(wer the priority of the message with time\); the e)-.25 F .395
(xpectation is that)-.15 F(the)117 493.2 Q F2(ctime)2.674 E F1 -.1(wo)
2.674 G .174
(uld be used as an \231escape clause\232 to ensure that messages are e)
.1 F -.15(ve)-.25 G .174(ntually processed.).15 F F0 2.5
(6.3.5. Refusing)102 517.2 R(Incoming SMTP Connections)2.5 E F1 2.062
(The function)142 533.4 R F2 -.37(re)4.562 G(fuseconnections).37 E F1
(returns)4.562 E F3(true)4.562 E F1 2.063
(if incoming SMTP connections should be)4.562 F 3.564(refused. The)117
545.4 R 1.063(current implementation is based e)3.563 F(xclusi)-.15 E
-.15(ve)-.25 G 1.063(ly on the current load a).15 F -.15(ve)-.2 G 1.063
(rage and the).15 F(refuse load a)117 557.4 Q -.15(ve)-.2 G
(rage option \(option).15 E F0(X)2.5 E F1 2.5(,g)C(lobal v)-2.5 E
(ariable)-.25 E F2(RefuseLA)2.5 E F1(\):)A(bool)157 573.6 Q
(refuseconnections\(\))157 585.6 Q({)157 597.6 Q
(return \(RefuseLA > 0 && CurrentLA >= RefuseLA\);)175 609.6 Q(})157
621.6 Q 2.5(Am)117 637.8 S(ore cle)-2.5 E -.15(ve)-.25 G 2.5(ri).15 G
(mplementation could look at more system resources.)-2.5 E F0 2.5
(6.3.6. Load)102 661.8 R -.6 -1(Av e)2.5 H(rage Computation)1 E F1 .243
(The routine)142 678 R F2 -.1(ge)2.743 G(tla).1 E F1 .243
(returns the current load a)2.743 F -.15(ve)-.2 G .243
(rage \(as a rounded inte).15 F 2.743(ger\). The)-.15 F(distrib)2.744 E
(ution)-.2 E 1.157(includes se)117 690 R -.15(ve)-.25 G 1.157
(ral possible implementations.).15 F 1.157(If you are porting to a ne)
6.157 F 3.657(we)-.25 G -.4(nv)-3.657 G 1.157(ironment you may).4 F 0 Cg
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/F0 10/Times-Bold@0 SF 188.36(SMM:08-102 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF
(need to add some ne)117 98 Q 2.5(wt)-.25 G(weaks.)-2.5 E/F2 7
/Times-Roman@0 SF(25)-4 I F0 2.5(6.4. Con\214guration)87 122 R
(in sendmail/daemon.c)2.5 E F1 .127(The \214le)127 138.2 R/F3 10
/Times-Italic@0 SF(sendmail/daemon.c)2.627 E F1 .128
(contains a number of routines that are dependent on the local net-)
2.628 F -.1(wo)102 150.2 S(rking en).1 E 2.5(vironment. The)-.4 F -.15
(ve)2.5 G(rsion supplied assumes you ha).15 E .3 -.15(ve B)-.2 H
(SD style sock).15 E(ets.)-.1 E 2.16(In pre)127 166.4 R 2.16
(vious releases, we recommended that you modify the routine)-.25 F F3
(maphostname)4.66 E F1 2.16(if you)4.66 F -.1(wa)102 178.4 S 1.918
(nted to generalize).1 F F0($[)4.418 E F1(...)4.418 E F0($])4.418 E F1
4.418(lookups. W)4.418 F 4.418(en)-.8 G 2.418 -.25(ow r)-4.418 H 1.918
(ecommend that you create a ne).25 F 4.419(wk)-.25 G -.15(ey)-4.519 G
1.919(ed map).15 F(instead.)102 190.4 Q F0 2.5(6.5. LD)87 214.4 R(AP)
-.35 E F1(In this section we assume that)127 230.6 Q F3(sendmail)2.5 E
F1(has been compiled with support for LD)2.5 E(AP)-.4 E(.)-1.11 E F0 2.5
(6.5.1. LD)102 254.6 R(AP Recursion)-.35 E F1(LD)142 270.8 Q .35
(AP Recursion allo)-.4 F .349(ws you to add types to the search attrib)
-.25 F .349(utes on an LD)-.2 F .349(AP map speci-)-.4 F 2.5
(\214cation. The)117 282.8 R(syntax is:)2.5 E<ad76>117 299 Q F3 -.37(AT)
2.5 G(TRIB).37 E(UTE)-.1 E F1([:)A F3(TYPE)A F1([:)A F3(OBJECTCLASS)A F1
([|)A F3(OBJECTCLASS)A F1(|...]]])A(The ne)142 315.2 Q(w)-.25 E F3(TYPE)
2.5 E F1 2.5(sa)C(re:)-2.5 E 26.17(NORMAL This)117 331.4 R(attrib)3.578
E 1.078(ute type speci\214es the attrib)-.2 F 1.079
(ute to add to the results string.)-.2 F 1.079(This is)6.079 F(the def)
189 343.4 Q(ault.)-.1 E 55.06(DN An)117 359.6 R 2.822(ym)-.15 G .322
(atches for this attrib)-2.822 F .322(ute are e)-.2 F .321
(xpected to ha)-.15 F .621 -.15(ve a v)-.2 H .321
(alue of a fully quali\214ed)-.1 F 1.521(distinguished name.)189 371.6 R
F3(sendmail)6.521 E F1 1.521(will lookup that DN and apply the attrib)
4.021 F(utes)-.2 E(requested to the returned DN record.)189 383.6 Q(FIL)
117 399.8 Q 36.53(TER An)-.92 F 2.653(ym)-.15 G .153
(atches for this attrib)-2.653 F .153(ute are e)-.2 F .153
(xpected to ha)-.15 F .453 -.15(ve a v)-.2 H .153(alue of an LD)-.1 F
.152(AP search)-.4 F(\214lter)189 411.8 Q(.)-.55 E F3(sendmail)5.697 E
F1 .698(will perform a lookup with the same parameters as the origi-)
3.197 F(nal search b)189 423.8 Q
(ut replaces the search \214lter with the one speci\214ed here.)-.2 E
49.5(URL An)117 440 R 2.87(ym)-.15 G .37(atches for this attrib)-2.87 F
.37(ute are e)-.2 F .37(xpected to ha)-.15 F .67 -.15(ve a v)-.2 H .37
(alue of an LD)-.1 F .37(AP URL.)-.4 F F3(sendmail)189 452 Q F1 1.947
(will perform a lookup of that URL and use the results from the)4.446 F
(attrib)189 464 Q .39(utes named in that URL.)-.2 F .389(Note ho)5.389 F
(we)-.25 E -.15(ve)-.25 G 2.889(rt).15 G .389
(hat the search is done using the)-2.889 F 2.622(current LD)189 476 R
2.622(AP connection, re)-.4 F -.05(ga)-.15 G 2.622
(rdless of what is speci\214ed as the scheme,).05 F(LD)189 488 Q
(AP host, and LD)-.4 E(AP port in the LD)-.4 E(AP URL.)-.4 E(An)117
504.2 Q 2.5(yu)-.15 G(ntyped attrib)-2.5 E(utes are considered)-.2 E/F4
9/Times-Roman@0 SF(NORMAL)2.5 E F1(attrib)2.5 E(utes as described abo)
-.2 E -.15(ve)-.15 G(.).15 E .91(The optional)142 520.4 R F3
(OBJECTCLASS)3.41 E F1 .91
(\(| separated\) list contains the objectClass v)3.41 F .91
(alues for which)-.25 F 1.398(that attrib)117 532.4 R 1.398
(ute applies.)-.2 F 1.399(If the list is gi)6.398 F -.15(ve)-.25 G 1.399
(n, the attrib).15 F 1.399(ute named will only be used if the LD)-.2 F
(AP)-.4 E 1.111(record being returned is a member of that object class.)
117 544.4 R 1.111(Note that if these ne)6.111 F 3.611(wv)-.25 G 1.111
(alue attrib)-3.861 F(ute)-.2 E F3(TYPE)117 556.4 Q F1 2.936(sa)C .436(\
re used in an AliasFile option setting, it will need to be double quote\
d to pre)-2.936 F -.15(ve)-.25 G(nt).15 E F3(send-)2.937 E(mail)117
568.4 Q F1(from misparsing the colons.)2.5 E .258(Note that LD)142 584.6
R .257(AP recursion attrib)-.4 F .257
(utes which do not ultimately point to an LD)-.2 F .257(AP record are)
-.4 F(not considered an error)117 596.6 Q(.)-.55 E F0 2.5
(6.5.1.1. Example)117 620.6 R F1 .218(Since e)157 636.8 R .218
(xamples usually help clarify)-.15 F 2.718(,h)-.65 G .218(ere is an e)
-2.718 F .218(xample which uses all four of the ne)-.15 F(w)-.25 E
(types:)132 648.8 Q .32 LW 76 688.4 72 688.4 DL 80 688.4 76 688.4 DL 84
688.4 80 688.4 DL 88 688.4 84 688.4 DL 92 688.4 88 688.4 DL 96 688.4 92
688.4 DL 100 688.4 96 688.4 DL 104 688.4 100 688.4 DL 108 688.4 104
688.4 DL 112 688.4 108 688.4 DL 116 688.4 112 688.4 DL 120 688.4 116
688.4 DL 124 688.4 120 688.4 DL 128 688.4 124 688.4 DL 132 688.4 128
688.4 DL 136 688.4 132 688.4 DL 140 688.4 136 688.4 DL 144 688.4 140
688.4 DL 148 688.4 144 688.4 DL 152 688.4 148 688.4 DL 156 688.4 152
688.4 DL 160 688.4 156 688.4 DL 164 688.4 160 688.4 DL 168 688.4 164
688.4 DL 172 688.4 168 688.4 DL 176 688.4 172 688.4 DL 180 688.4 176
688.4 DL 184 688.4 180 688.4 DL 188 688.4 184 688.4 DL 192 688.4 188
688.4 DL 196 688.4 192 688.4 DL 200 688.4 196 688.4 DL 204 688.4 200
688.4 DL 208 688.4 204 688.4 DL 212 688.4 208 688.4 DL 216 688.4 212
688.4 DL/F5 5/Times-Roman@0 SF(25)93.6 698.8 Q/F6 8/Times-Roman@0 SF
(If you do, please send updates to sendmail@Sendmail.ORG.)3.2 I 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-103)190.86 E/F1 10/Times-Roman@0 SF 2.5(OL)172 96 S -.4(DA)-2.5
G(PDef).4 E(aultSpec=-h ldap.e)-.1 E(xample.com -b dc=e)-.15 E
(xample,dc=com)-.15 E -2.15 -.25(Ke x)172 120 T(ample ldap).25 E(-z,)
194.5 132 Q(-k \(&\(objectClass=sendmailMT)194.5 144 Q
(AAliasObject\)\(sendmailMT)-.93 E(AK)-.93 E -.15(ey)-.25 G(=%0\)\)).15
E(-v sendmailMT)194.5 156 Q(AAliasV)-.93 E(alue,mail:NORMAL:inetOr)-1.11
E(gPerson,)-.18 E(uniqueMember:DN:groupOfUniqueNames,)202 168 Q
(sendmailMT)202 180 Q(AAliasSearch:FIL)-.93 E(TER:sendmailMT)-.92 E
(AAliasObject,)-.93 E(sendmailMT)202 192 Q(AAliasURL:URL:sendmailMT)-.93
E(AAliasObject)-.93 E(That de\214nition speci\214es that:)157 212.4 Q 5
<8341>137 228.6 S .952 -.15(ny v)-5 H .652(alue in a)-.1 F/F2 9
/Times-Roman@0 SF(sendmailMT)3.152 E(AAliasV)-.837 E(alue)-.999 E F1
(attrib)3.152 E .651(ute will be added to the result string re)-.2 F
-.05(ga)-.15 G(rd-).05 E(less of object class.)145.5 240.6 Q 5<8354>137
252.6 S(he)-5 E F2(mail)2.551 E F1(attrib)2.551 E .051
(ute will be added to the result string if the LD)-.2 F .052
(AP record is a member of the)-.4 F F2(inetOr)145.5 264.6 Q(gPerson)
-.162 E F1(object class.)2.5 E 5<8354>137 276.6 S(he)-5 E F2
(uniqueMember)4.597 E F1(attrib)4.597 E 2.097(ute is a recursi)-.2 F
2.397 -.15(ve a)-.25 H(ttrib).15 E 2.097(ute, used only in)-.2 F F2
(groupOfUniqueNames)4.596 E F1 .549(records, and should contain an LD)
145.5 288.6 R .549(AP DN pointing to another LD)-.4 F .55(AP record.)-.4
F .55(The desire)5.55 F(here is to return the)145.5 300.6 Q F2(mail)2.5
E F1(attrib)2.5 E(ute from those DNs.)-.2 E 5<8354>137 312.6 S(he)-5 E
F2(sendmailMT)4.374 E(AAliasSearch)-.837 E F1(attrib)4.374 E 1.874
(ute and)-.2 F F2(sendmailMT)4.374 E(AAliasURL)-.837 E F1 1.873
(are both used only if)4.374 F 2.083(referenced in a)145.5 324.6 R F2
(sendmailMT)4.584 E(AAliasObject)-.837 E F1 7.084(.T)C(he)-7.084 E 4.584
(ya)-.15 G 2.084(re both recursi)-4.584 F -.15(ve)-.25 G 4.584(,t).15 G
2.084(he \214rst for a ne)-4.584 F(w)-.25 E(LD)145.5 336.6 Q
(AP search string and the latter for an LD)-.4 E(AP URL.)-.4 E F0 2.5
(6.6. ST)87 360.6 R(AR)-.9 E(TTLS)-.4 E F1 .47
(In this section we assume that)127 376.8 R/F3 10/Times-Italic@0 SF
(sendmail)2.97 E F1 .47(has been compiled with support for ST)2.97 F(AR)
-.93 E 2.97(TTLS. T)-.6 F(o)-.8 E .608
(properly understand the use of ST)102 388.8 R(AR)-.93 E .609(TTLS in)
-.6 F F3(sendmail)3.109 E F1 3.109(,i)C 3.109(ti)-3.109 G 3.109(sn)
-3.109 G .609(ecessary to understand at least some)-3.109 F 1.856
(basics about X.509 certi\214cates and public k)102 400.8 R 2.155 -.15
(ey c)-.1 H(ryptograph).15 E 5.655 -.65(y. T)-.05 H 1.855
(his information can be found in).65 F
(books about SSL/TLS or on WWW sites, e.g., \231https://www)102 412.8 Q
(.OpenSSL.or)-.65 E(g/\232.)-.18 E F0 2.5(6.6.1. Certi\214cates)102
436.8 R -.25(fo)2.5 G 2.5(rS).25 G -.9(TA)-2.5 G -.4(RT).9 G(TLS).4 E F1
.437(When acting as a serv)142 453 R(er)-.15 E(,)-.4 E F3(sendmail)2.937
E F1 .438(requires X.509 certi\214cates to support ST)2.937 F(AR)-.93 E
.438(TTLS: one)-.6 F 1.45(as certi\214cate for the serv)117 465 R 1.45
(er \(Serv)-.15 F 1.45(erCertFile and corresponding pri)-.15 F -.25(va)
-.25 G 1.45(te Serv).25 F(erK)-.15 E -.15(ey)-.25 G 1.45
(File\) at least).15 F .244(one root CA \(CA)117 477 R .245(CertFile\),\
 i.e., a certi\214cate that is used to sign other certi\214cates, and a\
 path to a)-.4 F .766
(directory which contains \(zero or more\) other CAs \(CA)117 489 R
(CertP)-.4 E 3.266(ath\). The)-.15 F .766(\214le speci\214ed via CA)
3.266 F(C-)-.4 E 1.554(ertFile can contain se)117 501 R -.15(ve)-.25 G
1.554(ral certi\214cates of CAs.).15 F 1.555
(The DNs of these certi\214cates are sent to the)6.555 F .034
(client during the TLS handshak)117 513 R 2.534(e\()-.1 G .033
(as part of the Certi\214cateRequest\) as the list of acceptable CAs.)
-2.534 F(Ho)117 525 Q(we)-.25 E -.15(ve)-.25 G .8 -.4(r, d).15 H 2.5(on)
.4 G(ot list too man)-2.5 E 2.5(yr)-.15 G
(oot CAs in that \214le, otherwise the TLS handshak)-2.5 E 2.5(em)-.1 G
(ay f)-2.5 E(ail; e.g.,)-.1 E
(error:14094417:SSL routines:SSL3_READ_BYTES:)157 541.2 Q
(sslv3 alert ille)157 553.2 Q -.05(ga)-.15 G 2.5(lp).05 G
(arameter:s3_pkt.c:964:SSL alert number 47)-2.5 E -1.1(Yo)117 569.4 S
3.073(us)1.1 G .574(hould probably put only the CA cert into that \214l\
e that signed your o)-3.073 F .574(wn cert\(s\), or at least)-.25 F .543
(only those you trust.)117 581.4 R .543(The CA)5.543 F(CertP)-.4 E .543
(ath directory must contain the hashes of each CA certi\214cate)-.15 F
1.584(as \214lenames \(or as links to them\).)117 593.4 R 1.585
(Symbolic links can be generated with the follo)6.585 F 1.585(wing tw)
-.25 F(o)-.1 E(\(Bourne\) shell commands:)117 605.4 Q
(C=FileName_of_CA_Certi\214cate)157 621.6 Q
(ln -s $C `openssl x509 -noout -hash < $C`.0)157 633.6 Q 2.67(Ab)117
649.8 S .17(etter w)-2.67 F .17(ay to do this is to use the)-.1 F F0
(c_r)2.669 E(ehash)-.18 E F1 .169
(command that is part of the OpenSSL distrib)2.669 F(ution)-.2 E .801(b\
ecause it handles subject hash collisions by incrementing the number in\
 the suf)117 661.8 R .801(\214x of the \214le-)-.25 F 1.133
(name of the symbolic link, e.g.,)117 673.8 R F0(.0)3.632 E F1(to)3.632
E F0(.1)3.632 E F1 3.632(,a)C 1.132(nd so on.)-3.632 F 1.132
(An X.509 certi\214cate is also required for)6.132 F 1.527
(authentication in client mode \(ClientCertFile and corresponding pri)
117 685.8 R -.25(va)-.25 G 1.527(te ClientK).25 F -.15(ey)-.25 G 1.527
(File\), ho).15 F(w-)-.25 E -2.15 -.25(ev e)117 697.8 T -.4(r,).25 G F3
(sendmail)3.222 E F1 .322(will al)2.822 F -.1(wa)-.1 G .322(ys use ST).1
F(AR)-.93 E .321(TTLS when of)-.6 F .321(fered by a serv)-.25 F(er)-.15
E 5.321(.T)-.55 G .321(he client and serv)-5.321 F .321(er cer)-.15 F(-)
-.2 E .03(ti\214cates can be identical.)117 709.8 R .03(Certi\214cates \
can be obtained from a certi\214cate authority or created with)5.03 F
.869(the help of OpenSSL.)117 721.8 R .869
(The required format for certi\214cates and pri)5.869 F -.25(va)-.25 G
.868(te k).25 F -.15(ey)-.1 G 3.368(si).15 G 3.368(sP)-3.368 G 3.368
(EM. T)-3.368 F 3.368(oa)-.8 G(llo)-3.368 E(w)-.25 E 0 Cg EP
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/F0 10/Times-Bold@0 SF 188.36(SMM:08-104 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF 1.123
(for automatic startup of sendmail, pri)117 96 R -.25(va)-.25 G 1.124
(te k).25 F -.15(ey)-.1 G 3.624(s\().15 G(Serv)-3.624 E(erK)-.15 E -.15
(ey)-.25 G 1.124(File, ClientK).15 F -.15(ey)-.25 G 1.124
(File\) must be stored).15 F 3.04(unencrypted. The)117 108 R -.1(ke)3.04
G .54(ys are only protected by the permissions of the \214le system.)
-.05 F(Ne)5.54 E -.15(ve)-.25 G 3.04(rm).15 G(ak)-3.04 E 3.04(ea)-.1 G
(pri)117 120 Q -.25(va)-.25 G(te k).25 E .3 -.15(ey a)-.1 H -.25(va)-.05
G(ilable to a third party).25 E(.)-.65 E .953(The options)142 136.2 R/F2
10/Times-Italic@0 SF(ClientCertF)3.453 E(ile)-.45 E F1(,)A F2(ClientK)
3.453 E -.3(ey)-.35 G -.45(Fi).3 G(le).45 E F1(,)A F2(ServerCertF)3.453
E(ile)-.45 E F1 3.453(,a)C(nd)-3.453 E F2(ServerK)3.453 E -.3(ey)-.35 G
-.45(Fi).3 G(le).45 E F1 .954(can tak)3.454 F 3.454(ea)-.1 G .946(secon\
d \214le name, which must be separated from the \214rst with a comma \(\
note: do not use an)117 148.2 R(y)-.15 E .657
(spaces\) to set up a second cert/k)117 160.2 R .957 -.15(ey p)-.1 H
(air).15 E 5.657(.T)-.55 G .657(his can be used to ha)-5.657 F .957 -.15
(ve c)-.2 H .658(erts of dif).15 F .658(ferent types, e.g.,)-.25 F
(RSA and DSA.)117 172.2 Q F0 2.5(6.6.2. PRNG)102 196.2 R -.25(fo)2.5 G
2.5(rS).25 G -.9(TA)-2.5 G -.4(RT).9 G(TLS).4 E F1(ST)142 212.4 Q(AR)
-.93 E .504(TTLS requires a strong pseudo random number generator \(PRN\
G\) to operate prop-)-.6 F(erly)117 224.4 Q 5.055(.D)-.65 G .056
(epending on the TLS library you use, it may be required to e)-5.055 F
.056(xplicitly initialize the PRNG)-.15 F 1.155(with random data.)117
236.4 R 1.154(OpenSSL mak)6.154 F 1.154(es use of)-.1 F F0(/de)3.654 E
(v/urandom\(4\))-.15 E F1 1.154(if a)3.654 F -.25(va)-.2 G 1.154
(ilable \(this corresponds to).25 F 1.442
(the compile \215ag HASURANDOMDEV\).)117 248.4 R 1.443
(On systems which lack this support, a random \214le)6.442 F .224
(must be speci\214ed in the)117 260.4 R F2(sendmail.cf)2.723 E F1 .223
(\214le using the option RandFile.)2.723 F .223(It is)5.223 F F0(str)
2.723 E(ongly)-.18 E F1 .223(advised to use)2.723 F .872(the "Entrop)117
272.4 R 3.372(yG)-.1 G .872(athering Daemon" EGD from Brian W)-3.372 F
.873(arner on those systems to pro)-.8 F .873(vide useful)-.15 F 1.414
(random data.)117 284.4 R 1.414(In this case,)6.414 F F2(sendmail)3.914
E F1 1.413(must be compiled with the \215ag EGD, and the RandFile)3.913
F .731(option must point to the EGD sock)117 296.4 R 3.231(et. If)-.1 F
(neither)3.231 E F0(/de)3.232 E(v/urandom\(4\))-.15 E F1 .732
(nor EGD are a)3.232 F -.25(va)-.2 G .732(ilable, you).25 F(ha)117 308.4
Q .474 -.15(ve t)-.2 H 2.674(om).15 G(ak)-2.674 E 2.674(es)-.1 G .174
(ure that useful random data is a)-2.674 F -.25(va)-.2 G .174
(ilable all the time in RandFile.).25 F .173(If the \214le hasn')5.174 F
(t)-.18 E .39(been modi\214ed in the last 10 minutes before it is suppo\
sed to be used by)117 320.4 R F2(sendmail)2.89 E F1 .39(the content is)
2.89 F(considered obsolete.)117 332.4 Q
(One method for generating this \214le is:)5 E
(openssl rand -out /etc/mail/rand\214le -rand)157 348.6 Q F2
(/path/to/\214le:...)2.5 E F1(256)A .321
(See the OpenSSL documentation for more information.)117 364.8 R .32
(In this case, the PRNG for TLS is only)5.321 F .956
(seeded with other random data if the)117 376.8 R F0(DontBlameSendmail)
3.456 E F1(option)3.457 E F0(Insuf\214cientEntr)3.457 E(opy)-.18 E F1
.957(is set.)3.457 F(This is most lik)117 388.8 Q(ely not suf)-.1 E
(\214cient for certain actions, e.g., generation of \(temporary\) k)-.25
E -.15(ey)-.1 G(s.).15 E .051(Please see the OpenSSL documentation or o\
ther sources for further information about cer)142 405 R(-)-.2 E 1.064(\
ti\214cates, their creation and their usage, the importance of a good P\
RNG, and other aspects of)117 417 R(TLS.)117 429 Q F0 2.5(6.7. Encoding)
87 453 R(of ST)2.5 E(AR)-.9 E(TTLS and A)-.4 E(UTH r)-.5 E(elated Macr)
-.18 E(os)-.18 E F1 .693(Macros that contain ST)127 469.2 R(AR)-.93 E
.693(TTLS and A)-.6 F .692
(UTH related data which comes from outside sources,)-.55 F .809(e.g., a\
ll macros containing information from certi\214cates, are encoded to a)
102 481.2 R -.2(vo)-.2 G .81(id problems with non-).2 F .193
(printable or special characters.)102 493.2 R .193
(The latter are '\\', '<', '>', '\(', '\)', '"', '+', and ' '.)5.193 F
.192(All of these char)5.192 F(-)-.2 E(acters are replaced by their v)
102 505.2 Q(alue in he)-.25 E(xadecimal with a leading '+'.)-.15 E -.15
(Fo)5 G 2.5(re).15 G(xample:)-2.65 E(/C=US/ST=California/O=endmail.or)
142 521.4 Q(g/OU=pri)-.18 E -.25(va)-.25 G(te/CN=Darth Mail \(Cert\)/)
.25 E(Email=darth+cert@endmail.or)142 533.4 Q(g)-.18 E(is encoded as:)
102 549.6 Q(/C=US/ST=California/O=endmail.or)142 565.8 Q(g/OU=pri)-.18 E
-.25(va)-.25 G(te/).25 E
(CN=Darth+20Mail+20+28Cert+29/Email=darth+2Bcert@endmail.or)142 577.8 Q
(g)-.18 E .515(\(line breaks ha)102 594 R .815 -.15(ve b)-.2 H .515
(een inserted for readability\).).15 F .516
(The macros which are subject to this encoding are)5.515 F 6.828({cert_\
subject}, {cert_issuer}, {cn_subject}, {cn_issuer}, as well as {auth_au\
then} and)102 606 R({auth_author}.)102 618 Q F0 2.5(6.8. D)87 642 R(ANE)
-.35 E F1 .525(Initial support for D)127 658.2 R .525
(ANE \(see RFC 7672 et.al.\))-.4 F .525(is a)5.525 F -.25(va)-.2 G .525
(ilable if).25 F F2(sendmail)3.026 E F1 .526(is compiled with the)3.026
F(option)102 670.2 Q F0 -.35(DA)2.5 G(NE).35 E F1 5(.O)C
(nly TLSA RR 3-1-x \(D)-5 E(ANE-EE\) is currently implemented.)-.4 E
(The option)5 E 2.5(OD)142 686.4 S(ANE=true)-2.9 E
(enables this feature at run time and it automatically adds)102 702.6 Q
F0(use_dnssec)2.5 E F1(and)2.5 E F0(use_edns0)2.5 E F1(to)2.5 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-105)190.86 E/F1 10/Times-Roman@0 SF 2.5(OR)142 96 S(esolv)-2.5 E
(erOptions)-.15 E(This requires a \(preferrably local\) v)102 112.2 Q
(alidating DNS resolv)-.25 E(er which supports those options.)-.15 E
2.621(If the client \214nds a usable TLSA RR and the check succeeds the\
 macro)102 136.2 R F0(${v)5.121 E(erify})-.1 E F1 2.621(is set to)5.121
F F0(TR)102 148.2 Q(USTED)-.3 E F1 5.833(.A)C .834
(ll non-DNS maps are considered)-5.833 F/F2 10/Times-Italic@0 SF(secur)
3.334 E(e)-.37 E F1 .834(just lik)3.334 F 3.334(eD)-.1 G .834
(NS lookups with DNSSEC.)-3.334 F(Be)5.834 E -2.3 -.15(aw a)102 160.2 T
.023(re that the implementation might not handle all error conditions a\
s required by the RFCs.).15 F(More-)5.023 E -.15(ove)102 172.2 S .8 -.4
(r, T).15 H(LSA RRs are not look).4 E(ed up for some features, e.g.,)-.1
E F2 -.75(Fa)2.5 G(llBac).75 E(kSmartHost)-.2 E F1(.)A F0 2.5(7. A)72
196.2 R(CKNO)-.55 E(WLEDGEMENTS)-.5 E F1(I')112 212.4 Q 2.036 -.15(ve w)
-.5 H(ork).05 E 1.737(ed on)-.1 F F2(sendmail)4.237 E F1 1.737(for man)
4.237 F 4.237(yy)-.15 G 1.737(ears, and man)-4.237 F 4.237(ye)-.15 G
(mplo)-4.237 E 1.737(yers ha)-.1 F 2.037 -.15(ve b)-.2 H 1.737
(een remarkably patient).15 F .404(about letting me w)87 224.4 R .404
(ork on a lar)-.1 F .404(ge project that w)-.18 F .403
(as not part of my of)-.1 F .403(\214cial job)-.25 F 5.403(.T)-.4 G .403
(his includes time on the)-5.403 F .281(INGRES Project at the Uni)87
236.4 R -.15(ve)-.25 G .282(rsity of California at Berk).15 F(ele)-.1 E
1.582 -.65(y, a)-.15 H 2.782(tB).65 G .282(ritton Lee, and ag)-2.782 F
.282(ain on the Mammoth)-.05 F(and T)87 248.4 Q(itan Projects at Berk)
-.35 E(ele)-.1 E -.65(y.)-.15 G .79(Much of the second w)112 264.6 R
-2.25 -.2(av e)-.1 H .789(of impro)3.49 F -.15(ve)-.15 G .789
(ments resulting in v).15 F .789(ersion 8.1 should be credited to Bryan)
-.15 F .545(Costales of the International Computer Science Institute.)87
276.6 R .545(As he passed me drafts of his book on)5.545 F F2(send-)
3.045 E(mail)87 288.6 Q F1 2.5(Iw)2.5 G(as inspired to start w)-2.6 E
(orking on things ag)-.1 E 2.5(ain. Bryan)-.05 F -.1(wa)2.5 G 2.5(sa).1
G(lso a)-2.5 E -.25(va)-.2 G(ilable to bounce ideas of).25 E 2.5(fo)-.25
G(f.)-2.5 E(Gre)112 304.8 Q .168(gory Neil Shapiro of W)-.15 F .168(orc\
ester Polytechnic Institute has become instrumental in all phases of)-.8
F F2(sendmail)87 316.8 Q F1 .34(support and de)2.84 F -.15(ve)-.25 G .34
(lopment, and w).15 F .34(as lar)-.1 F .34
(gely responsible for getting v)-.18 F .34(ersions 8.8 and 8.9 out the)
-.15 F(door)87 328.8 Q(.)-.55 E(Man)112 345 Q 2.857 -.65(y, m)-.15 H(an)
.65 E 4.057(yp)-.15 G 1.557(eople contrib)-4.057 F 1.556
(uted chunks of code and ideas to)-.2 F F2(sendmail)4.056 E F1 6.556(.I)
C 4.056(th)-6.556 G 1.556(as pro)-4.056 F -.15(ve)-.15 G 4.056(nt).15 G
4.056(ob)-4.056 G 4.056(ea)-4.056 G .405(group netw)87 357 R .405
(ork ef)-.1 F 2.905(fort. V)-.25 F .405(ersion 8 in particular w)-1.11 F
.405(as a group project.)-.1 F .406(The follo)5.406 F .406
(wing people and or)-.25 F -.05(ga)-.18 G(niza-).05 E
(tions made notable contrib)87 369 Q(utions:)-.2 E(Claus Assmann)127
385.2 Q(John Beck, He)127 397.2 Q(wlett-P)-.25 E
(ackard & Sun Microsystems)-.15 E -.25(Ke)127 409.2 S
(ith Bostic, CSRG, Uni).25 E -.15(ve)-.25 G(rsity of California, Berk)
.15 E(ele)-.1 E(y)-.15 E(Andre)127 421.2 Q 2.5(wC)-.25 G
(heng, Sun Microsystems)-2.5 E(Michael J. Corrig)127 433.2 Q(an, Uni)
-.05 E -.15(ve)-.25 G(rsity of California, San Die).15 E(go)-.15 E
(Bryan Costales, International Computer Science Institute & InfoBeat)127
445.2 Q -.15(Pa)127 457.2 S -.5(..)-4.402 -6 O 2.5(r\().552 6 O
(Pell\) Emanuelsson)-2.5 E(Craig Ev)127 469.2 Q(erhart, T)-.15 E
(ransarc Corporation)-.35 E(Per Hedeland, Ericsson)127 481.2 Q -.8(To)
127 493.2 S 2.5(mI).8 G -.25(va)-2.5 G 2.5(rH).25 G(elbekkmo, Norwe)-2.5
E(gian School of Economics)-.15 E
(Kari Hurtta, Finnish Meteorological Institute)127 505.2 Q
(Allan E. Johannesen, WPI)127 517.2 Q(Jonathan Kamens, OpenV)127 529.2 Q
(ision T)-.6 E(echnologies, Inc.)-.7 E -.8(Ta)127 541.2 S
(kahiro Kanbe, Fuji Xerox Information Systems Co., Ltd.).8 E
(Brian Kantor)127 553.2 Q 2.5(,U)-.4 G(ni)-2.5 E -.15(ve)-.25 G
(rsity of California, San Die).15 E(go)-.15 E(John K)127 565.2 Q(ennedy)
-.25 E 2.5(,C)-.65 G(al State Uni)-2.5 E -.15(ve)-.25 G(rsity).15 E 2.5
(,C)-.65 G(hico)-2.5 E(Murray S. K)127 577.2 Q(uchera)-.15 E(wy)-.15 E
2.5(,H)-.65 G(ookUp Communication Corp.)-2.5 E(Bruce Lilly)127 589.2 Q
2.5(,S)-.65 G(on)-2.5 E 2.5(yU)-.15 G(.S.)-2.5 E(Karl London)127 601.2 Q
(Motonori Nakamura, Ritsumeikan Uni)127 613.2 Q -.15(ve)-.25 G
(rsity & K).15 E(yoto Uni)-.25 E -.15(ve)-.25 G(rsity).15 E
(John Gardiner Myers, Carne)127 625.2 Q(gie Mellon Uni)-.15 E -.15(ve)
-.25 G(rsity).15 E(Neil Rick)127 637.2 Q(ert, Northern Illinois Uni)-.1
E -.15(ve)-.25 G(rsity).15 E(Gre)127 649.2 Q(gory Neil Shapiro, WPI)-.15
E(Eric Schnoebelen, Con)127 661.2 Q .3 -.15(vex C)-.4 H(omputer Corp.)
.15 E(Eric W)127 673.2 Q(assenaar)-.8 E 2.5(,N)-.4 G
(ational Institute for Nuclear and High Ener)-2.5 E(gy Ph)-.18 E
(ysics, Amsterdam)-.05 E(Randall W)127 685.2 Q(inchester)-.4 E 2.5(,U)
-.4 G(ni)-2.5 E -.15(ve)-.25 G(rsity of Maryland).15 E(Christophe W)127
697.2 Q(olfhugel, P)-.8 E(asteur Institute & Herv)-.15 E 2.5(eS)-.15 G
(chauer Consultants \(P)-2.5 E(aris\))-.15 E(Exactis.com, Inc.)127 709.2
Q 3.22(Ia)87 725.4 S .72(pologize for an)-3.22 F .72(yone I ha)-.15 F
1.019 -.15(ve o)-.2 H .719(mitted, misspelled, misattrib).15 F .719
(uted, or otherwise missed.)-.2 F .719(At this point, I)5.719 F 0 Cg EP
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/F0 10/Times-Bold@0 SF 188.36(SMM:08-106 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF 1.092
(suspect that at least a hundred people ha)87 96 R 1.393 -.15(ve c)-.2 H
(ontrib).15 E 1.093(uted code, and man)-.2 F 3.593(ym)-.15 G 1.093
(ore ha)-3.593 F 1.393 -.15(ve c)-.2 H(ontrib).15 E 1.093(uted ideas,)
-.2 F 1.534(comments, and encouragement.)87 108 R(I')6.534 E 1.834 -.15
(ve t)-.5 H 1.534(ried to list them in the RELEASE_NO).15 F 1.533
(TES in the distrib)-.4 F(ution)-.2 E(directory)87 120 Q 5(.I)-.65 G
(appreciate their contrib)-2.5 E(ution as well.)-.2 E .742
(Special thanks are reserv)112 136.2 R .742(ed for Michael Corrig)-.15 F
.743(an and Christophe W)-.05 F .743(olfhugel, who besides being)-.8 F
-.1(wo)87 148.2 S 2.1(nderful guinea pigs and contrib).1 F 2.1(utors ha)
-.2 F 2.4 -.15(ve a)-.2 H 2.1(lso consented to be added to the `).15 F
(`sendmail@Send-)-.74 E(mail.ORG')87 160.2 Q 3.61('l)-.74 G 1.11
(ist and, by answering the b)-3.61 F 1.111
(ulk of the questions sent to that list, ha)-.2 F 1.411 -.15(ve f)-.2 H
1.111(reed me up to do).15 F(other w)87 172.2 Q(ork.)-.1 E 0 Cg EP
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/F0 12/Times-Bold@0 SF 3(APPENDIX A)257.172 98.4 R(COMMAND LINE FLA)
224.832 141.6 Q(GS)-.66 E/F1 10/Times-Roman@0 SF(Ar)97 201 Q
(guments must be presented with \215ags before addresses.)-.18 E
(The \215ags are:)5 E<ad41>72 217.2 Q/F2 10/Times-Italic@0 SF(x)A F1
.049(Select an alternati)54.7 F .349 -.15(ve .)-.25 H .049
(cf \214le which is either).15 F F2(sendmail.cf)2.549 E F1(for)2.549 E
/F3 10/Times-Bold@0 SF(\255Am)2.549 E F1(or)2.548 E F2(submit.cf)2.548 E
F1(for)2.548 E F3(\255Ac)2.548 E F1 5.048(.B)C(y)-5.048 E(def)144 229.2
Q .024(ault the .cf \214le is chosen based on the operation mode.)-.1 F
-.15(Fo)5.024 G(r).15 E F3(-bm)2.524 E F1(\(def)2.524 E(ault\),)-.1 E F3
(-bs)2.524 E F1 2.524(,a)C(nd)-2.524 E F3(-t)2.525 E F1(it)2.525 E(is)
144 241.2 Q F2(submit.cf)2.5 E F1(if it e)2.5 E
(xists, for all others it is)-.15 E F2(sendmail.cf)2.5 E F1(.)A<ad62>72
257.4 Q F2(x)A F1(Set operation mode to)56.92 E F2(x)2.5 E F1 5(.O)C
(peration modes are:)-5 E 12.22(mD)184 273.6 S(eli)-12.22 E -.15(ve)-.25
G 2.5(rm).15 G(ail \(def)-2.5 E(ault\))-.1 E 16.11(sS)184 285.6 S
(peak SMTP on input side)-16.11 E 8.06(a\207 `)184 297.6 R -.8(`A)-.74 G
(rpanet').8 E 2.5('m)-.74 G(ode \(get en)-2.5 E -.15(ve)-.4 G
(lope sender information from header\)).15 E 13.33(CC)184 309.6 S
(heck the con\214guration \214le)-13.33 E 15(dR)184 321.6 S
(un as a daemon in background)-15 E 12.78(DR)184 333.6 S
(un as a daemon in fore)-12.78 E(ground)-.15 E 17.22(tR)184 345.6 S
(un in test mode)-17.22 E 15(vJ)184 357.6 S(ust v)-15 E
(erify addresses, don')-.15 E 2.5(tc)-.18 G(ollect or deli)-2.5 E -.15
(ve)-.25 G(r).15 E 17.22(iI)184 369.6 S(nitialize the alias database)
-17.22 E 15(pP)184 381.6 S(rint the mail queue)-15 E 14.44(PP)184 393.6
S(rint o)-14.44 E -.15(ve)-.15 G(rvie).15 E 2.5(wo)-.25 G -.15(ve)-2.65
G 2.5(rt).15 G(he mail queue \(requires shared memory\))-2.5 E 15(hP)184
405.6 S(rint the persistent host status database)-15 E 12.78(HP)184
417.6 S(ur)-12.78 E(ge e)-.18 E
(xpired entries from the persistent host status database)-.15 E<ad42>72
438 Q F2(type)A F1(Indicate body type.)43.03 E<ad43>72 454.2 Q F2
(\214le)A F1 .947(Use a dif)47.47 F .946(ferent con\214guration \214le.)
-.25 F F2(Sendmail)5.946 E F1 .946(runs as the in)3.446 F -.2(vo)-.4 G
.946(king user \(rather than root\)).2 F
(when this \215ag is speci\214ed.)144 466.2 Q<ad44>72 482.4 Q F2(lo)2.5
E(g\214le)-.1 E F1(Send deb)31.74 E(ugging output to the indicated)-.2 E
F2(lo)2.5 E(g\214le)-.1 E F1(instead of stdout.)2.5 E<ad64>72 498.6 Q F2
(le)A(vel)-.15 E F1(Set deb)42.63 E(ugging le)-.2 E -.15(ve)-.25 G(l.)
.15 E<ad66>72 514.8 Q F2(addr)2.5 E F1 .627(The en)41.64 F -.15(ve)-.4 G
.627(lope sender address is set to).15 F F2(addr)3.127 E F1 5.627(.T)C
.628(his address may also be used in the From:)-5.627 F .153
(header if that header is missing during initial submission.)144 526.8 R
.152(The en)5.152 F -.15(ve)-.4 G .152(lope sender address is).15 F
1.263(used as the recipient for deli)144 538.8 R -.15(ve)-.25 G 1.263
(ry status noti\214cations and may also appear in a Return-).15 F -.15
(Pa)144 550.8 S(th: header).15 E(.)-.55 E<ad46>72 567 Q F2(name)2.5 E F1
(Sets the full name of this user to)36.64 E F2(name)2.5 E F1(.)A 56.64
(\255G When)72 583.2 R 1.176
(accepting messages via the command line, indicate that the)3.677 F
3.676(ya)-.15 G 1.176(re for relay \(g)-3.676 F(ate-)-.05 E -.1(wa)144
595.2 S 2.215(y\) submission.).1 F 2.216
(sendmail may complain about syntactically in)7.215 F -.25(va)-.4 G
2.216(lid messages, e.g.,).25 F .037(unquali\214ed host names, rather t\
han \214xing them when this \215ag is set.)144 607.2 R .037
(sendmail will not do)5.037 F(an)144 619.2 Q 2.5(yc)-.15 G
(anonicalization in this mode.)-2.5 E<ad68>72 635.4 Q F2(cnt)2.5 E F1
.725(Sets the \231hop count\232 to)46.64 F F2(cnt)3.225 E F1 5.725(.T)C
.726(his represents the number of times this message has been)-5.725 F
.02(processed by)144 647.4 R F2(sendmail)2.52 E F1 .02(\(to the e)2.52 F
.02(xtent that it is supported by the underlying netw)-.15 F(orks\).)-.1
E F2(Cnt)5.02 E F1 1.521(is incremented during processing, and if it re\
aches MAXHOP \(currently 25\))144 659.4 R F2(sendmail)4.021 E F1(thro)
144 671.4 Q(ws a)-.25 E -.1(wa)-.15 G 2.5(yt).1 G
(he message with an error)-2.5 E(.)-.55 E .32 LW 76 681 72 681 DL 80 681
76 681 DL 84 681 80 681 DL 88 681 84 681 DL 92 681 88 681 DL 96 681 92
681 DL 100 681 96 681 DL 104 681 100 681 DL 108 681 104 681 DL 112 681
108 681 DL 116 681 112 681 DL 120 681 116 681 DL 124 681 120 681 DL 128
681 124 681 DL 132 681 128 681 DL 136 681 132 681 DL 140 681 136 681 DL
144 681 140 681 DL 148 681 144 681 DL 152 681 148 681 DL 156 681 152 681
DL 160 681 156 681 DL 164 681 160 681 DL 168 681 164 681 DL 172 681 168
681 DL 176 681 172 681 DL 180 681 176 681 DL 184 681 180 681 DL 188 681
184 681 DL 192 681 188 681 DL 196 681 192 681 DL 200 681 196 681 DL 204
681 200 681 DL 208 681 204 681 DL 212 681 208 681 DL 216 681 212 681 DL
/F4 8/Times-Roman@0 SF(\207Deprecated.)93.6 693 Q F3
(Sendmail Installation and Operation Guide)72 756 Q(SMM:08-107)190.86 E
0 Cg EP
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/F0 10/Times-Bold@0 SF 188.36(SMM:08-108 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF<ad4c>72
96 Q/F2 10/Times-Italic@0 SF(ta)2.5 E(g)-.1 E F1 1.483
(Sets the identi\214er used for syslog.)45.07 F 1.482
(Note that this identi\214er is set as early as possible.)6.483 F(Ho)144
108 Q(we)-.25 E -.15(ve)-.25 G -.4(r,).15 G F2(sendmail)2.915 E F1 .015
(may be used if problems arise before the command line ar)2.515 F .016
(guments are)-.18 F(processed.)144 120 Q 58.86(\255n Don')72 136.2 R 2.5
(td)-.18 G 2.5(oa)-2.5 G(liasing or forw)-2.5 E(arding.)-.1 E<ad4e>72
152.4 Q F2(noti\214cations)2.5 E F1 -.8(Ta)7.19 G 3.128(ga).8 G .628
(ll addresses being sent as w)-3.128 F .628(anting the indicated)-.1 F
F2(noti\214cations)3.128 E F1 3.127(,w)C .627(hich consists of the)
-3.127 F -.1(wo)144 164.4 S .474
(rd \231NEVER\232 or a comma-separated list of \231SUCCESS\232, \231F).1
F .474(AILURE\232, and \231DELA)-.74 F<599a>-1.05 E .86
(for successful deli)144 176.4 R -.15(ve)-.25 G(ry).15 E 3.36(,f)-.65 G
.86(ailure, and a message that is stuck in a queue some)-3.46 F 3.36
(where. The)-.25 F(def)144 188.4 Q(ault is \231F)-.1 E(AILURE,DELA)-.74
E(Y\232.)-1.05 E<ad72>72 204.6 Q F2(addr)2.5 E F1(An obsolete form of)
41.64 E F0<ad66>2.5 E F1(.)A<ad6f>72 220.8 Q F2 1.666(xv)C(alue)-1.666 E
F1(Set option)33.594 E F2(x)2.5 E F1(to the speci\214ed)2.5 E F2(value)
2.5 E F1 5(.T)C(hese options are described in Section 5.6.)-5 E<ad4f>72
237 Q F2(option)A F0(=)A F2(value)A F1(Set)6.22 E F2(option)5.173 E F1
2.674(to the speci\214ed)5.173 F F2(value)5.174 E F1 2.674
(\(for long form option names\).)5.174 F 2.674(These options are)7.674 F
(described in Section 5.6.)144 249 Q<ad4d>72 265.2 Q F2 1.666(xv)C(alue)
-1.666 E F1(Set macro)29.704 E F2(x)2.5 E F1(to the speci\214ed)2.5 E F2
(value)2.5 E F1(.)A<ad70>72 281.4 Q F2(pr)A(otocol)-.45 E F1 .401
(Set the sending protocol.)27.92 F .401
(Programs are encouraged to set this.)5.401 F .4
(The protocol \214eld can be)5.401 F .114(in the form)144 293.4 R F2(pr)
2.614 E(otocol)-.45 E F0(:)A F2(host)A F1 .114
(to set both the sending protocol and sending host.)2.614 F -.15(Fo)
5.115 G 2.615(re).15 G(xample,)-2.765 E 2.147(\231\255pUUCP:uunet\232 s\
ets the sending protocol to UUCP and the sending host to uunet.)144
305.4 R .973(\(Some e)144 317.4 R .974
(xisting programs use \255oM to set the r and s macros; this is equi)
-.15 F -.25(va)-.25 G .974(lent to using).25 F(\255p.\))144 329.4 Q
<ad71>72 345.6 Q F2(time)A F1 -.35(Tr)44.14 G 3.2(yt).35 G 3.2(op)-3.2 G
.7(rocess the queued up mail.)-3.2 F .7(If the time is gi)5.7 F -.15(ve)
-.25 G(n,).15 E F2(sendmail)3.2 E F1 .7(will start one or more)3.2 F
.011
(processes to run through the queue\(s\) at the speci\214ed time interv)
144 357.6 R .011(al to deli)-.25 F -.15(ve)-.25 G 2.511(rq).15 G .011
(ueued mail;)-2.511 F .906(otherwise, it only runs once.)144 369.6 R
.906(Each of these processes acts on a w)5.906 F 3.405(orkgroup. These)
-.1 F(pro-)3.405 E .959(cesses are also kno)144 381.6 R .959(wn as w)
-.25 F .959(orkgroup processes or WGP')-.1 F 3.459(sf)-.55 G .959
(or short.)-3.459 F .96(Each w)5.96 F .96(orkgroup is)-.1 F .523
(responsible for controlling the processing of one or more queues; w)144
393.6 R .522(orkgroups help man-)-.1 F 1.268
(age the use of system resources by sendmail.)144 405.6 R 1.268(Each w)
6.268 F 1.268(orkgroup may ha)-.1 F 1.568 -.15(ve o)-.2 H 1.268
(ne or more).15 F .357
(children concurrently processing queues depending on the setting of)144
417.6 R F2(MaxQueueChildr)2.856 E(en)-.37 E F1(.)A(\255qp)72 433.8 Q F2
(time)A F1 1.174(Similar to \255q with a time ar)39.14 F 1.175
(gument, e)-.18 F 1.175
(xcept that instead of periodically starting WGP')-.15 F(s)-.55 E .7
(sendmail starts persistent WGP')144 445.8 R 3.2(st)-.55 G .7
(hat alternate between processing queues and sleeping.)-3.2 F 1.123
(The sleep time is speci\214ed by the time ar)144 457.8 R 1.123
(gument; it def)-.18 F 1.123(aults to 1 second, e)-.1 F 1.124
(xcept that a)-.15 F 1.294(WGP al)144 469.8 R -.1(wa)-.1 G 1.293
(ys sleeps at least 5 seconds if their queues were empty in the pre).1 F
1.293(vious run.)-.25 F .138
(Persistent processes are managed by a queue control process \(QCP\).)
144 481.8 R .139(The QCP is the par)5.139 F(-)-.2 E .18
(ent process of the WGP')144 493.8 R 2.679(s. T)-.55 F .179
(ypically the QCP will be the sendmail daemon \(when started)-.8 F .424
(with \255bd or \255bD\) or a special process \(named Queue control\) \
\(when started without \255bd)144 505.8 R .72(or \255bD\).)144 517.8 R
.72(If a persistent WGP ceases to be acti)5.72 F 1.019 -.15(ve f)-.25 H
.719(or some reason another WGP will be).15 F .862
(started by the QCP for the same w)144 529.8 R .862
(orkgroup in most cases. When a persistent WGP has)-.1 F 1.008
(core dumped, the deb)144 541.8 R 1.008(ug \215ag)-.2 F F2(no_per)3.508
E(sistent_r)-.1 E(estart)-.37 E F1 1.007
(is set or the speci\214c persistent WGP)3.508 F .676
(has been restarted too man)144 553.8 R 3.176(yt)-.15 G .676
(imes already then the WGP will not be started ag)-3.176 F .677
(ain and a)-.05 F .876(message will be logged to this ef)144 565.8 R
3.375(fect. T)-.25 F 3.375(os)-.8 G .875
(top \(SIGTERM\) or restart \(SIGHUP\) persis-)-3.375 F .116(tent WGP')
144 577.8 R 2.616(st)-.55 G .116
(he appropriate signal should be sent to the QCP)-2.616 F 2.616(.T)-1.11
G .116(he QCP will propag)-2.616 F .116(ate the)-.05 F
(signal to all of the WGP')144 589.8 Q 2.5(sa)-.55 G
(nd if appropriate restart the persistent WGP')-2.5 E(s.)-.55 E<ad71>72
606 Q F2(Gname)A F1(Run the jobs in the queue group)32.48 E F2(name)2.5
E F1(once.)2.5 E(\255q[!])72 622.2 Q F2(Xstring)A F1 .313
(Run the queue once, limiting the jobs to those matching)21.92 F F2
(Xstring)2.812 E F1 5.312(.T)C .312(he k)-5.312 F .612 -.15(ey l)-.1 H
(etter).15 E F2(X)2.812 E F1 .312(can be)2.812 F F0(I)144 634.2 Q F1
1.347(to limit based on queue identi\214er)3.847 F(,)-.4 E F0(R)3.847 E
F1 1.347(to limit based on recipient,)3.847 F F0(S)3.847 E F1 1.347
(to limit based on)3.847 F(sender)144 646.2 Q 4.758(,o)-.4 G(r)-4.758 E
F0(Q)4.758 E F1 2.258
(to limit based on quarantine reason for quarantined jobs.)4.758 F 4.757
(Ap)7.257 G(articular)-4.757 E .062
(queued job is accepted if one of the corresponding attrib)144 658.2 R
.063(utes contains the indicated)-.2 F F2(string)2.563 E F1(.)A .779
(The optional ! character ne)144 670.2 R -.05(ga)-.15 G .778
(tes the condition tested.).05 F(Multiple)5.778 E F2(\255qX)3.278 E F1
.778(\215ags are permitted,)3.278 F .622(with items with the same k)144
682.2 R .922 -.15(ey l)-.1 H .622(etter \231or'ed\232 together).15 F
3.122(,a)-.4 G .622(nd items with dif)-3.122 F .623(ferent k)-.25 F .923
-.15(ey l)-.1 H(etters).15 E(\231and'ed\232 together)144 694.2 Q(.)-.55
E 23.88(\255Q[reason] Quarantine)72 710.4 R .422
(normal queue items with the gi)2.922 F -.15(ve)-.25 G 2.922(nr).15 G
.422(eason or unquarantine quarantined queue)-2.922 F .963
(items if no reason is gi)144 722.4 R -.15(ve)-.25 G 3.463(n. This).15 F
.963(should only be used with some sort of item matching)3.463 F 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-109)190.86 E/F1 10/Times-Roman@0 SF(using)144 96 Q F0(\255q[!])
2.5 E/F2 10/Times-Italic@0 SF(Xstring)A F1(as described abo)2.5 E -.15
(ve)-.15 G(.).15 E(\255R ret)72 112.2 Q 1.687(What information you w)
46.64 F 1.687(ant returned if the message bounces;)-.1 F F2 -.37(re)
4.187 G(t).37 E F1 1.687(can be \231HDRS\232 for)4.187 F .877
(headers only or \231FULL\232 for headers plus body)144 124.2 R 5.877
(.T)-.65 G .878(his is a request only; the other end is)-5.877 F 1.309
(not required to honor the parameter)144 136.2 R 6.309(.I)-.55 G 3.808
<6699>-6.309 G 1.308(HDRS\232 is speci\214ed local bounces also return)
-3.808 F(only the headers.)144 148.2 Q 61.08(\255t Read)72 164.4 R .752
(the header for \231T)3.252 F .752
(o:\232, \231Cc:\232, and \231Bcc:\232 lines, and send to e)-.8 F -.15
(ve)-.25 G .752(ryone listed in those).15 F 2.54(lists. The)144 176.4 R
.039(\231Bcc:\232 line will be deleted before sending.)2.54 F(An)5.039 E
2.539(ya)-.15 G .039(ddresses in the ar)-2.539 F .039(gument v)-.18 F
(ec-)-.15 E(tor will be deleted from the send list.)144 188.4 Q
(\255V en)72 204.6 Q 32.32(vid The)-.4 F(indicated)3.179 E F2(en)3.179 E
(vid)-.4 E F1 .679(is passed with the en)3.179 F -.15(ve)-.4 G .68
(lope of the message and returned if the mes-).15 F(sage bounces.)144
216.6 Q<ad58>72 232.8 Q F2(lo)2.5 E(g\214le)-.1 E F1 .725(Log all traf)
31.74 F .725(\214c in and out of)-.25 F F2(sendmail)3.225 E F1 .725
(in the indicated)3.225 F F2(lo)3.224 E(g\214le)-.1 E F1 .724(for deb)
3.224 F .724(ugging mailer prob-)-.2 F 2.5(lems. This)144 244.8 R
(produces a lot of data v)2.5 E
(ery quickly and should be used sparingly)-.15 E(.)-.65 E .637
(There are a number of options that may be speci\214ed as primiti)97 261
R .938 -.15(ve \215)-.25 H 3.138(ags. These).15 F .638
(are the e, i, m, and v)3.138 F 3.785(options. Also,)72 273 R 1.285
(the f option may be speci\214ed as the)3.785 F F0<ad73>3.784 E F1 3.784
(\215ag. The)3.784 F 1.284
(DSN related options \231\255N\232, \231\255R\232, and)3.784 F
<99ad569a206861>72 285 Q .3 -.15(ve n)-.2 H 2.5(oe).15 G -.25(ff)-2.5 G
(ects on).25 E F2(sendmail)2.5 E F1(running as daemon.)2.5 E 0 Cg EP
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/F0 12/Times-Bold@0 SF 3(APPENDIX B)250.002 98.4 R -.12(QU)220.29 141.6
S(EUE FILE FORMA).12 E(TS)-1.14 E/F1 10/Times-Roman@0 SF .101
(This appendix describes the format of the queue \214les.)97 201 R .102
(These \214les li)5.102 F .402 -.15(ve i)-.25 H 2.602(naq).15 G .102
(ueue directory)-2.602 F 5.102(.T)-.65 G .102(he indi-)-5.102 F .331
(vidual qf, hf, Qf, df, and xf \214les may be stored in separate)72 213
R/F2 10/Times-Italic@0 SF(qf/)2.831 E F1(,)A F2(df/)2.831 E F1 2.831(,a)
C(nd)-2.831 E F2(xf/)2.831 E F1 .331(subdirectories if the)2.831 F 2.831
(ya)-.15 G .33(re present)-2.831 F(in the queue directory)72 225 Q(.)
-.65 E .923(All queue \214les ha)97 241.2 R 1.223 -.15(ve t)-.2 H .923
(he name).15 F F2(ttYMDhmsNNppppp)3.423 E F1(where)3.424 E F2
(YMDhmsNNppppp)3.424 E F1 .924(is the)3.424 F F2(id)3.424 E F1 .924
(for this mes-)3.424 F(sage and the)72 253.2 Q F2(tt)2.5 E F1
(is a type.)2.5 E(The indi)5 E(vidual letters in the)-.25 E F2(id)2.5 E
F1(are:)2.5 E 28.78(YE)72 269.4 S(ncoded year)-28.78 E 27.11(ME)72 285.6
S(ncoded month)-27.11 E 28.78(DE)72 301.8 S(ncoded day)-28.78 E 31(hE)72
318 S(ncoded hour)-31 E 28.22(mE)72 334.2 S(ncoded minute)-28.22 E 32.11
(sE)72 350.4 S(ncoded second)-32.11 E 19.06(NN Encoded)72 366.6 R(en)2.5
E -.15(ve)-.4 G(lope number).15 E 8.5(ppppp At)72 382.8 R(least \214v)
2.5 E 2.5(ed)-.15 G(ecimal digits of the process ID)-2.5 E .477
(All \214les with the same id collecti)97 399 R -.15(ve)-.25 G .477
(ly de\214ne one message.).15 F .477(Due to the use of memory-b)5.477 F
(uf)-.2 E .476(fered \214les,)-.25 F(some of these \214les may ne)72 411
Q -.15(ve)-.25 G 2.5(ra).15 G(ppear on disk.)-2.5 E(The types are:)97
427.2 Q 25.17(qf The)72 443.4 R(queue control \214le.)2.5 E
(This \214le contains the information necessary to process the job)5 E
(.)-.4 E 25.17(hf The)72 459.6 R(same as a queue control \214le, b)2.5 E
(ut for a quarantined queue job)-.2 E(.)-.4 E 25.17(df The)72 475.8 R
.451(data \214le.)2.951 F .452(The message body \(e)5.451 F .452
(xcluding the header\) is k)-.15 F .452(ept in this \214le.)-.1 F .452
(Sometimes the df \214le)5.452 F .183(is not stored in the same directo\
ry as the qf \214le; in this case, the qf \214le contains a `d' record \
which)108 487.8 R
(names the queue directory that contains the df \214le.)108 499.8 Q
27.39(tf A)72 516 R .045(temporary \214le.)2.545 F .045
(This is an image of the)5.045 F/F3 10/Times-Bold@0 SF(qf)2.546 E F1
.046(\214le when it is being reb)2.546 F 2.546(uilt. It)-.2 F .046
(should be renamed to a)2.546 F F3(qf)108 528 Q F1(\214le v)2.5 E
(ery quickly)-.15 E(.)-.65 E 25.17(xf A)72 544.2 R .567
(transcript \214le, e)3.067 F .567
(xisting during the life of a session sho)-.15 F .566(wing e)-.25 F -.15
(ve)-.25 G .566(rything that happens during that).15 F 3.121
(session. Sometimes)108 556.2 R .622(the xf \214le must be generated be\
fore a queue group has been selected; in this)3.121 F
(case, the xf \214le will be stored in a directory of the def)108 568.2
Q(ault queue group.)-.1 E 22.95(Qf A)72 584.4 R -.74(``)3.279 G(lost')
.74 E 3.279('q)-.74 G .779(ueue control \214le.)-3.279 F F2(sendmail)
5.778 E F1 .778(renames a)3.278 F F3(qf)3.278 E F1 .778(\214le to)3.278
F F3(Qf)3.278 E F1 .778(if there is a se)3.278 F -.15(ve)-.25 G .778
(re \(con\214guration\)).15 F .256(problem that cannot be solv)108 596.4
R .256(ed without human interv)-.15 F 2.756(ention. Search)-.15 F .256
(the log\214le for the queue \214le id)2.756 F .053
(to \214gure out what happened.)108 608.4 R .052(After you resolv)5.052
F .052(ed the problem, you can rename the)-.15 F F3(Qf)2.552 E F1 .052
(\214le to)2.552 F F3(qf)2.552 E F1(and)2.552 E(send it ag)108 620.4 Q
(ain.)-.05 E .74
(The queue control \214le is structured as a series of lines each be)97
636.6 R .741(ginning with a code letter)-.15 F 5.741(.T)-.55 G .741
(he lines)-5.741 F(are as follo)72 648.6 Q(ws:)-.25 E 28.78(VT)72 664.8
S .82(he v)-28.78 F .82
(ersion number of the queue \214le format, used to allo)-.15 F 3.319(wn)
-.25 G -.25(ew)-3.319 G F2(sendmail)3.569 E F1 .819
(binaries to read queue)3.319 F .003(\214les created by older v)108
676.8 R 2.504(ersions. Def)-.15 F .004(aults to v)-.1 F .004
(ersion zero.)-.15 F .004
(Must be the \214rst line of the \214le if present.)5.004 F -.15(Fo)108
688.8 S 2.5(r8).15 G(.12 the v)-2.5 E(ersion number is 6.)-.15 E 28.78
(AT)72 705 S 1.175(he information gi)-28.78 F -.15(ve)-.25 G 3.675(nb)
.15 G 3.675(yt)-3.675 G 1.175(he A)-3.675 F 1.175
(UTH= parameter of the \231MAIL FR)-.55 F 1.175
(OM:\232 command or $f@$j if)-.4 F(sendmail has been called directly)108
717 Q(.)-.65 E F3 188.36(SMM:08-110 Sendmail)72 756 R
(Installation and Operation Guide)2.5 E 0 Cg EP
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-111)190.86 E/F1 10/Times-Roman@0 SF 28.78(HA)72 96 S .329
(header de\214nition.)-25.951 F .329(There may be an)5.329 F 2.829(yn)
-.15 G .329(umber of these lines.)-2.829 F .33
(The order is important: the)5.33 F 2.83(yr)-.15 G(epre-)-2.83 E .046
(sent the order in the \214nal message.)108 108 R .046
(These use the same syntax as header de\214nitions in the con\214gu-)
5.046 F(ration \214le.)108 120 Q 29.33(CT)72 136.2 S .575
(he controlling address.)-29.33 F .575
(The syntax is \231localuser:aliasname\232.)5.575 F .575
(Recipient addresses follo)5.575 F .575(wing this)-.25 F 2.814
(line will be \215agged so that deli)108 148.2 R -.15(ve)-.25 G 2.814
(ries will be run as the).15 F/F2 10/Times-Italic@0 SF(localuser)5.314 E
F1 2.814(\(a user name from the)5.314 F .561(/etc/passwd \214le\);)108
160.2 R F2(aliasname)3.061 E F1 .561(is the name of the alias that e)
3.061 F .562(xpanded to this address \(used for print-)-.15 F
(ing messages\).)108 172.2 Q 31(qT)72 188.4 S
(he quarantine reason for quarantined queue items.)-31 E 28.78(QT)72
204.6 S .798(he `)-28.78 F .798(`original recipient')-.74 F .798
(', speci\214ed by the ORCPT= \214eld in an ESMTP transaction.)-.74 F
.797(Used e)5.797 F(xclu-)-.15 E(si)108 216.6 Q -.15(ve)-.25 G
(ly for Deli).15 E -.15(ve)-.25 G(ry Status Noti\214cations.).15 E
(It applies only to the follo)5 E(wing `R' line.)-.25 E 32.67(rT)72
232.8 S .782(he `)-32.67 F .782(`\214nal recipient')-.74 F 3.282('u)-.74
G .782(sed for Deli)-3.282 F -.15(ve)-.25 G .782
(ry Status Noti\214cations.).15 F .782(It applies only to the follo)
5.782 F .783(wing `R')-.25 F(line.)108 244.8 Q 29.33(RA)72 261 S .705
(recipient address.)-26.125 F .705
(This will normally be completely aliased, b)5.705 F .705
(ut is actually realiased when the)-.2 F .492(job is processed.)108 273
R .492(There will be one line for each recipient.)5.492 F -1.11(Ve)5.492
G .493(rsion 1 qf \214les also include a lead-)1.11 F .986(ing colon-te\
rminated list of \215ags, some of which are `S' to return a message on \
successful \214nal)108 285 R(deli)108 297 Q -.15(ve)-.25 G(ry).15 E
2.825(,`)-.65 G .325(F' to return a message on f)-2.825 F .326
(ailure, `D' to return a message if the message is delayed, `N')-.1 F
.842(to suppress returning the body)108 309 R 3.342(,a)-.65 G .842
(nd `P' to declare this as a `)-3.342 F(`primary')-.74 E 3.342('\()-.74
G .841(command line or SMTP-)-3.342 F(session\) address.)108 321 Q 30.44
(ST)72 337.2 S(he sender address.)-30.44 E
(There may only be one of these lines.)5 E 29.89(TT)72 353.4 S
(he job creation time.)-29.89 E
(This is used to compute when to time out the job)5 E(.)-.4 E 30.44(PT)
72 369.6 S .113(he current message priority)-30.44 F 5.113(.T)-.65 G
.113(his is used to order the queue.)-5.113 F .114
(Higher numbers mean lo)5.114 F .114(wer priori-)-.25 F 3.677(ties. The)
108 381.6 R 1.176(priority changes as the message sits in the queue.)
3.677 F 1.176(The initial priority depends on the)6.176 F
(message class and the size of the message.)108 393.6 Q 27.11(MA)72
409.8 S 2.703(message. This)-24.407 F .203(line is printed by the)2.703
F F2(mailq)2.703 E F1 .204
(command, and is generally used to store status infor)2.704 F(-)-.2 E
2.5(mation. It)108 421.8 R(can contain an)2.5 E 2.5(yt)-.15 G -.15(ex)
-2.5 G(t.).15 E 30.44(FF)72 438 S .044
(lag bits, represented as one letter per \215ag.)-30.44 F .043
(De\214ned \215ag bits are)5.043 F F0(r)2.543 E F1 .043
(indicating that this is a response)2.543 F .142(message and)108 450 R
F0(w)2.642 E F1 .142(indicating that a w)2.642 F .143
(arning message has been sent announcing that the mail has been)-.1 F
2.514(delayed. Other)108 462 R .014(\215ag bits are:)2.514 F F0(8)2.514
E F1 2.514(:t)C .013(he body contains 8bit data,)-2.514 F F0(b)2.513 E
F1 2.513(:aB)C .013(cc: header should be remo)-2.513 F -.15(ve)-.15 G
(d,).15 E F0(d)2.513 E F1(:)A .551
(the mail has RET parameters \(see RFC 1894\),)108 474 R F0(n)3.052 E F1
3.052(:t)C .552(he body of the message should not be returned)-3.052 F
(in case of an error)108 486 Q(,)-.4 E F0(s)2.5 E F1 2.5(:t)C(he en)-2.5
E -.15(ve)-.4 G(lope has been split.).15 E 28.78(NT)72 502.2 S
(he total number of deli)-28.78 E -.15(ve)-.25 G(ry attempts.).15 E
28.78(KT)72 518.4 S
(he time \(as seconds since January 1, 1970\) of the last deli)-28.78 E
-.15(ve)-.25 G(ry attempt.).15 E 31(dI)72 534.6 S 3.15(ft)-31 G .65
(he df \214le is in a dif)-3.15 F .65(ferent directory than the qf \214\
le, then a `d' record is present, specifying the)-.25 F
(directory in which the df \214le resides.)108 546.6 Q 32.67(IT)72 562.8
S .724(he i-number of the data \214le; this can be used to reco)-32.67 F
-.15(ve)-.15 G 3.225(ry).15 G .725
(our mail queue after a disastrous disk)-3.225 F(crash.)108 574.8 Q 31
($A)72 591 S(macro de\214nition.)-28.5 E(The v)5 E
(alues of certain macros are passed through to the queue run phase.)-.25
E 29.33(BT)72 607.2 S .925(he body type.)-29.33 F .925
(The remainder of the line is a te)5.925 F .925
(xt string de\214ning the body type.)-.15 F .924(If this \214eld is)
5.924 F .009(missing, the body type is assumed to be \231unde\214ned\
\232 and no special processing is attempted.)108 619.2 R(Le)5.009 E -.05
(ga)-.15 G(l).05 E -.25(va)108 631.2 S
(lues are \2317BIT\232 and \2318BITMIME\232.).25 E 29.89(ZT)72 647.4 S
(he original en)-29.89 E -.15(ve)-.4 G
(lope id \(from the ESMTP transaction\).).15 E -.15(Fo)5 G 2.5(rD).15 G
(eli)-2.5 E -.15(ve)-.25 G 2.5(rS).15 G(tatus Noti\214cations only)-2.5
E(.)-.65 E 4.073(As an e)97 663.6 R 4.073(xample, the follo)-.15 F 4.072
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/F0 10/Times-Bold@0 SF 188.36(SMM:08-112 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF
(\231bostic@ok)72 98 Q(eef)-.1 E(fe.CS.Berk)-.25 E(ele)-.1 E -.65(y.)
-.15 G(EDU\232).65 E/F2 7/Times-Roman@0 SF(1)-4 I F1(:)4 I(V4)112 114.2
Q(T711358135)112 126.2 Q(K904446490)112 138.2 Q(N0)112 150.2 Q(P2100941)
112 162.2 Q($_eric@localhost)112 174.2 Q(${daemon_\215ags})112 186.2 Q
(Seric)112 198.2 Q(Ceric:100:1000:sendmail@v)112 210.2 Q(angogh.CS.Berk)
-.25 E(ele)-.1 E -.65(y.)-.15 G(EDU).65 E(RPFD:eric@mammoth.Berk)112
222.2 Q(ele)-.1 E -.65(y.)-.15 G(EDU).65 E(RPFD:bostic@ok)112 234.2 Q
(eef)-.1 E(fe.CS.Berk)-.25 E(ele)-.1 E -.65(y.)-.15 G(EDU).65 E
(H?P?Return-path: <^g>)112 246.2 Q(H??Recei)112 258.2 Q -.15(ve)-.25 G
(d: by v).15 E(angogh.CS.Berk)-.25 E(ele)-.1 E -.65(y.)-.15 G
(EDU \(5.108/2.7\) id AAA06703;).65 E(Fri, 17 Jul 1992 00:28:55 -0700)
132 270.2 Q(H??Recei)112 282.2 Q -.15(ve)-.25 G(d: from mail.CS.Berk).15
E(ele)-.1 E -.65(y.)-.15 G(EDU by v).65 E(angogh.CS.Berk)-.25 E(ele)-.1
E -.65(y.)-.15 G(EDU \(5.108/2.7\)).65 E
(id AAA06698; Fri, 17 Jul 1992 00:28:54 -0700)132 294.2 Q(H??Recei)112
306.2 Q -.15(ve)-.25 G(d: from [128.32.31.21] by mail.CS.Berk).15 E(ele)
-.1 E -.65(y.)-.15 G(EDU \(5.96/2.5\)).65 E
(id AA22777; Fri, 17 Jul 1992 03:29:14 -0400)132 318.2 Q(H??Recei)112
330.2 Q -.15(ve)-.25 G(d: by foo.bar).15 E(.baz.de \(5.57/Ultrix3.0-C\))
-.55 E(id AA22757; Fri, 17 Jul 1992 09:31:25 GMT)132 342.2 Q
(H?F?From: eric@foo.bar)112 354.2 Q(.baz.de \(Eric Allman\))-.55 E
(H?x?Full-name: Eric Allman)112 366.2 Q
(H??Message-id: <9207170931.AA22757@foo.bar)112 378.2 Q(.baz.de>)-.55 E
(H??T)112 390.2 Q(o: sendmail@v)-.8 E(angogh.CS.Berk)-.25 E(ele)-.1 E
-.65(y.)-.15 G(EDU).65 E(H??Subject: this is an e)112 402.2 Q
(xample message)-.15 E .658(This sho)72 418.4 R .658(ws the person who \
sent the message, the submission time \(in seconds since January 1, 197\
0\), the)-.25 F(message priority)72 430.4 Q 2.5(,t)-.65 G
(he message class, the recipients, and the headers for the message.)-2.5
E .32 LW 76 678.8 72 678.8 DL 80 678.8 76 678.8 DL 84 678.8 80 678.8 DL
88 678.8 84 678.8 DL 92 678.8 88 678.8 DL 96 678.8 92 678.8 DL 100 678.8
96 678.8 DL 104 678.8 100 678.8 DL 108 678.8 104 678.8 DL 112 678.8 108
678.8 DL 116 678.8 112 678.8 DL 120 678.8 116 678.8 DL 124 678.8 120
678.8 DL 128 678.8 124 678.8 DL 132 678.8 128 678.8 DL 136 678.8 132
678.8 DL 140 678.8 136 678.8 DL 144 678.8 140 678.8 DL 148 678.8 144
678.8 DL 152 678.8 148 678.8 DL 156 678.8 152 678.8 DL 160 678.8 156
678.8 DL 164 678.8 160 678.8 DL 168 678.8 164 678.8 DL 172 678.8 168
678.8 DL 176 678.8 172 678.8 DL 180 678.8 176 678.8 DL 184 678.8 180
678.8 DL 188 678.8 184 678.8 DL 192 678.8 188 678.8 DL 196 678.8 192
678.8 DL 200 678.8 196 678.8 DL 204 678.8 200 678.8 DL 208 678.8 204
678.8 DL 212 678.8 208 678.8 DL 216 678.8 212 678.8 DL/F3 5
/Times-Roman@0 SF(1)93.6 689.2 Q/F4 8/Times-Roman@0 SF .718(This e)3.2 J
.718(xample is contri)-.12 F -.12(ve)-.2 G 2.718(da).12 G .718
(nd probably inaccurate for your en)-2.718 F 2.719(vironment. Glance)
-.32 F -.12(ove)2.719 G 2.719(ri).12 G 2.719(tt)-2.719 G 2.719(og)-2.719
G .719(et an idea; nothing can replace)-2.719 F(looking at what your o)
72 702 Q(wn system generates.)-.2 E 0 Cg EP
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/F0 12/Times-Bold@0 SF 3(APPENDIX C)249.672 98.4 R(SUMMAR)198.282 141.6
Q 3(YO)-.42 G 3(FS)-3 G(UPPOR)-3 E 3(TF)-.48 G(ILES)-3 E/F1 10
/Times-Roman@0 SF 1.519(This is a summary of the support \214les that)97
201 R/F2 10/Times-Italic@0 SF(sendmail)4.019 E F1 1.52
(creates or generates.)4.019 F(Man)6.52 E 4.02(yo)-.15 G 4.02(ft)-4.02 G
1.52(hese can be)-4.02 F(changed by editing the sendmail.cf \214le; che\
ck there to \214nd the actual pathnames.)72 213 Q(/usr/sbin/sendmail)72
229.2 Q(The binary of)144 241.2 Q F2(sendmail)2.5 E F1(.)A(/usr/bin/ne)
72 257.4 Q -.1(wa)-.25 G(liases).1 E 3.735(Al)144 269.4 S 1.235
(ink to /usr/sbin/sendmail; causes the alias database to be reb)-3.735 F
3.734(uilt. Running)-.2 F 1.234(this pro-)3.734 F
(gram is completely equi)144 281.4 Q -.25(va)-.25 G(lent to gi).25 E
(ving)-.25 E F2(sendmail)2.5 E F1(the)2.5 E/F3 10/Times-Bold@0 SF
(\255bi)2.5 E F1(\215ag.)2.5 E 13.38(/usr/bin/mailq Prints)72 297.6 R
3.702(al)3.702 G 1.202(isting of the mail queue.)-3.702 F 1.203
(This program is equi)6.202 F -.25(va)-.25 G 1.203(lent to using the).25
F F3(\255bp)3.703 E F1 1.203(\215ag to)3.703 F F2(sendmail)144 309.6 Q
F1(.)A(/etc/mail/sendmail.cf)72 325.8 Q
(The con\214guration \214le, in te)144 337.8 Q(xtual form.)-.15 E 1.72
(/etc/mail/help\214le The)72 354 R(SMTP help \214le.)2.5 E
(/etc/mail/statistics)72 370.2 Q 2.5(As)144 382.2 S
(tatistics \214le; need not be present.)-2.5 E(/etc/mail/sendmail.pid)72
398.4 Q .318(Created in daemon mode; it contains the process id of the \
current SMTP daemon.)144 410.4 R .318(If you)5.318 F 1.047
(use this in scripts; use `)144 422.4 R 1.047(`head \2551')-.74 F 3.548
('t)-.74 G 3.548(og)-3.548 G 1.048
(et just the \214rst line; the second line contains the)-3.548 F .68
(command line used to in)144 434.4 R -.2(vo)-.4 G .879 -.1(ke t).2 H
.679(he daemon, and later v).1 F .679(ersions of)-.15 F F2(sendmail)
3.179 E F1 .679(may add more)3.179 F(information to subsequent lines.)
144 446.4 Q 5.06(/etc/mail/aliases The)72 462.6 R(te)2.5 E(xtual v)-.15
E(ersion of the alias \214le.)-.15 E(/etc/mail/aliases.db)72 478.8 Q
(The alias \214le in)144 490.8 Q F2(hash)2.5 E F1(\(3\) format.)1.666 E
(/etc/mail/aliases.{pag,dir})72 507 Q(The alias \214le in)144 519 Q F2
(ndbm)2.5 E F1(\(3\) format.)1.666 E(/v)72 535.2 Q(ar/spool/mqueue)-.25
E(The directory in which the mail queue\(s\) and temporary \214les resi\
de.)144 547.2 Q(/v)72 563.4 Q(ar/spool/mqueue/qf*)-.25 E
(Control \(queue\) \214les for messages.)144 575.4 Q(/v)72 591.6 Q
(ar/spool/mqueue/df*)-.25 E(Data \214les.)144 603.6 Q(/v)72 619.8 Q
(ar/spool/mqueue/tf*)-.25 E -.7(Te)144 631.8 S(mporary v).7 E
(ersions of the qf \214les, used during queue \214le reb)-.15 E(uild.)
-.2 E(/v)72 648 Q(ar/spool/mqueue/xf*)-.25 E 2.5(At)144 660 S
(ranscript of the current session.)-2.5 E F3
(Sendmail Installation and Operation Guide)72 756 Q(SMM:08-113)190.86 E
0 Cg EP
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(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF
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/F0 10/Times-Bold@0 SF(Sendmail Installation and Operation Guide)72 60 Q
(SMM:08-3)200.86 E/F1 12/Times-Roman@0 SF -1.116(TA)263.226 98.4 S
(BLE OF CONTENTS)1.116 E/F2 10/Times-Roman@0 SF 2.5(1. B)72 124.8 R
(ASIC INST)-.35 E(ALLA)-.93 E 1.18(TION ...............................\
.......................................................................\
.........)-1.11 F(7)31 E 2.5(1.1. Compiling)87 139.2 R .43(Sendmail ...\
.......................................................................\
....................................)2.5 F(7)31 E 2.5(1.1.1. T)102 153.6
R(weaking the Build In)-.8 E -.2(vo)-.4 G .19(cation ..................\
...................................................................).2 F
(7)31 E 2.5(1.1.2. Creating)102 168 R 2.5(aS)2.5 G
(ite Con\214guration File)-2.5 E 28.5(.................................\
............................................... 7)2.94 F 2.5(1.1.3. T)
102 182.4 R(weaking the Mak)-.8 E 1.64(e\214le ........................\
.......................................................................\
..)-.1 F(8)31 E 2.5(1.1.4. Compilation)102 196.8 R(and installation)2.5
E 28.5(................................................................\
........................ 8)4.6 F 2.5(1.2. Con\214guration)87 211.2 R .99
(Files ................................................................\
................................................)2.5 F(8)31 E 2.5
(1.3. Details)87 225.6 R(of Installation Files)2.5 E 23.5(.............\
.......................................................................\
............... 10)4.89 F 2.5(1.3.1. /usr/sbin/sendmail)102 240 R 23.5(\
.......................................................................\
.................................. 10)2.66 F 2.5
(1.3.2. /etc/mail/sendmail.cf)102 254.4 R 23.5(........................\
.......................................................................\
..... 10)4.34 F 2.5(1.3.3. /etc/mail/submit.cf)102 268.8 R 23.5(.......\
.......................................................................\
.......................... 10)3.22 F 2.5(1.3.4. /usr/bin/ne)102 283.2 R
-.1(wa)-.25 G 2.19(liases .............................................\
..........................................................).1 F(10)26 E
2.5(1.3.5. /usr/bin/hoststat)102 297.6 R 23.5(.........................\
.......................................................................\
............ 10)4.6 F 2.5(1.3.6. /usr/bin/pur)102 312 R 1.18(gestat ...\
.......................................................................\
................................)-.18 F(11)26 E 2.5(1.3.7. /v)102 326.4
R 1.81(ar/spool/mqueue ................................................\
........................................................)-.25 F(11)26 E
2.5(1.3.8. /v)102 340.8 R 2.09(ar/spool/clientmqueue ..................\
.......................................................................\
......)-.25 F(11)26 E 2.5(1.3.9. /v)102 355.2 R .97(ar/spool/mqueue/.ho\
ststat ................................................................\
..........................)-.25 F(11)26 E 2.5
(1.3.10. /etc/mail/aliases*)102 369.6 R 23.5(..........................\
.......................................................................\
....... 11)4.06 F 2.5(1.3.11. /etc/rc)102 384 R(or /etc/init.d/sendmail)
2.5 E 23.5(............................................................\
.......................... 12)3.23 F 2.5(1.3.12. /etc/mail/help\214le)
102 398.4 R 23.5(......................................................\
................................................... 12)3.22 F 2.5
(1.3.13. /etc/mail/statistics)102 412.8 R 23.5(........................\
.......................................................................\
........ 12)3.77 F 2.5(1.3.14. /usr/bin/mailq)102 427.2 R 23.5(........\
.......................................................................\
.............................. 12)4.88 F 2.5(1.3.15. sendmail.pid)102
441.6 R 23.5(..........................................................\
..................................................... 12)4.61 F 2.5
(1.3.16. Map)102 456 R .72(Files ......................................\
.......................................................................\
.......)2.5 F(14)26 E 2.5(2. NORMAL)72 470.4 R(OPERA)2.5 E 1.56(TIONS .\
.......................................................................\
.....................................)-1.11 F(14)26 E 2.5(2.1. The)87
484.8 R(System Log)2.5 E 23.5(.........................................\
.......................................................................\
.... 14)4.89 F 2.5(2.1.1. F)102 499.2 R 2.26(ormat ....................\
.......................................................................\
...............................)-.15 F(14)26 E 2.5(2.1.2. Le)102 513.6 R
-.15(ve)-.25 G 2.24(ls ................................................\
.......................................................................\
....).15 F(15)26 E 2.5(2.2. Dumping)87 528 R .72(State ................\
.......................................................................\
................................)2.5 F(15)26 E 2.5(2.3. The)87 542.4 R
(Mail Queues)2.5 E 23.5(...............................................\
.................................................................... 16)
4.07 F 2.5(2.3.1. Queue)102 556.8 R(Groups and Queue Directories)2.5 E
23.5(..................................................................\
........ 16)2.99 F 2.5(2.3.2. Queue)102 571.2 R 1.84(Runs .............\
.......................................................................\
..............................)2.5 F(16)26 E 2.5(2.3.3. Manual)102 585.6
R(Interv)2.5 E 1.72(ention ............................................\
.........................................................)-.15 F(17)26 E
2.5(2.3.4. Printing)102 600 R(the queue)2.5 E 23.5(....................\
.......................................................................\
.............. 17)2.67 F 2.5(2.3.5. F)102 614.4 R(orcing the queue)-.15
E 23.5(................................................................\
......................................... 17)3.94 F 2.5
(2.3.6. Quarantined)102 628.8 R(Queue Items)2.5 E 23.5(................\
.......................................................................\
...... 18)3.25 F 2.5(2.4. Disk)87 643.2 R(Based Connection Information)
2.5 E 23.5(............................................................\
......................... 18)3.79 F 2.5(2.5. The)87 657.6 R
(Service Switch)2.5 E 23.5(............................................\
.................................................................... 19)
2.68 F 2.5(2.6. The)87 672 R(Alias Database)2.5 E 23.5(................\
.......................................................................\
......................... 20)2.69 F 2.5(2.6.1. Reb)102 686.4 R
(uilding the alias database)-.2 E 23.5(................................\
....................................................... 21)4.27 F 2.5
(2.6.2. Potential)102 700.8 R .72(problems ............................\
.......................................................................\
.....)2.5 F(21)26 E 2.5(2.6.3. List)102 715.2 R -.25(ow)2.5 G 1.81(ners\
 ......................................................................\
.............................................).25 F(21)26 E 0 Cg EP
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/F0 10/Times-Bold@0 SF 198.36(SMM:08-4 Sendmail)72 60 R
(Installation and Operation Guide)2.5 E/F1 10/Times-Roman@0 SF 2.5
(2.7. User)87 96 R(Information Database)2.5 E 23.5(....................\
.......................................................................\
......... 22)2.7 F 2.5(2.8. Per)87 110.4 R(-User F)-.2 E(orw)-.15 E
(arding \(.forw)-.1 E(ard Files\))-.1 E 23.5(..........................\
......................................................... 22)4.09 F 2.5
(2.9. Special)87 124.8 R(Header Lines)2.5 E 23.5(......................\
.......................................................................\
................ 22)2.97 F 2.5(2.9.1. Errors-T)102 139.2 R 2.09(o: ....\
.......................................................................\
..........................................)-.8 F(22)26 E 2.5
(2.9.2. Apparently-T)102 153.6 R 2.09(o: ..............................\
.......................................................................\
........)-.8 F(22)26 E 2.5(2.9.3. Precedence)102 168 R 23.5(...........\
.......................................................................\
.................................. 22)2.97 F 2.5(2.10. IDENT)87 182.4 R
(Protocol Support)2.5 E 23.5(..........................................\
........................................................... 23)2.95 F
2.5(3. ARGUMENTS)72 196.8 R 23.5(......................................\
.......................................................................\
.................. 23)3.78 F 2.5(3.1. Queue)87 211.2 R(Interv)2.5 E 1.55
(al ...................................................................\
....................................................)-.25 F(23)26 E 2.5
(3.2. Daemon)87 225.6 R 1.29(Mode .....................................\
.......................................................................\
...........)2.5 F(24)26 E 2.5(3.3. F)87 240 R(orcing the Queue)-.15 E
23.5(..................................................................\
............................................... 24)4.22 F 2.5(3.4. Deb)
87 254.4 R 1.76(ugging ................................................\
.......................................................................\
......)-.2 F(24)26 E 2.5(3.5. Changing)87 268.8 R(the V)2.5 E
(alues of Options)-1.11 E 23.5(........................................\
.................................................... 25)3.23 F 2.5
(3.6. T)87 283.2 R(rying a Dif)-.35 E(ferent Con\214guration File)-.25 E
23.5(..................................................................\
................. 25)4.67 F 2.5(3.7. Logging)87 297.6 R -.35(Tr)2.5 G
(af).35 E .5(\214c ....................................................\
..................................................................)-.25
F(25)26 E 2.5(3.8. T)87 312 R(esting Con\214guration Files)-.7 E 23.5(.\
.......................................................................\
........................... 26)4.19 F 2.5(3.9. Persistent)87 326.4 R
(Host Status Information)2.5 E 23.5(...................................\
..................................................... 27)3.5 F 2.5
(4. TUNING)72 340.8 R 23.5(............................................\
.......................................................................\
...................... 27)2.68 F 2.5(4.1. T)87 355.2 R 1.07(imeouts ...\
.......................................................................\
......................................................)-.35 F(27)26 E
2.5(4.1.1. Queue)102 369.6 R(interv)2.5 E 2.1(al ......................\
.......................................................................\
.................)-.25 F(27)26 E 2.5(4.1.2. Read)102 384 R 1(timeouts .\
.......................................................................\
.......................................)2.5 F(28)26 E 2.5
(4.1.3. Message)102 398.4 R 1.56(timeouts .............................\
.......................................................................\
.....)2.5 F(29)26 E 2.5(4.2. F)87 412.8 R(orking During Queue Runs)-.15
E 23.5(................................................................\
................................. 30)4.49 F 2.5(4.3. Queue)87 427.2 R
.73(Priorities ........................................................\
.............................................................)2.5 F(30)
26 E 2.5(4.4. Load)87 441.6 R .44(Limiting ............................\
.......................................................................\
.....................)2.5 F(31)26 E 2.5(4.5. Resource)87 456 R .17(Limi\
ts ....................................................................\
.................................................)2.5 F(31)26 E 2.5
(4.6. Measures)87 470.4 R(ag)2.5 E(ainst Denial of Service Attacks)-.05
E 23.5(................................................................\
......... 31)3.87 F 2.5(4.7. Deli)87 484.8 R -.15(ve)-.25 G(ry Mode).15
E 23.5(................................................................\
....................................................... 31)3.08 F 2.5
(4.8. Log)87 499.2 R(Le)2.5 E -.15(ve)-.25 G 2.52(l.).15 G 23.5(.......\
.......................................................................\
................................................ 32)-2.52 F 2.5
(4.9. File)87 513.6 R .72(Modes .......................................\
.......................................................................\
...............)2.5 F(33)26 E 2.5(4.9.1. T)102 528 R 2.5(os)-.8 G
(uid or not to suid?)-2.5 E 23.5(......................................\
........................................................... 33)6.52 F
2.5(4.9.2. T)102 542.4 R(urning of)-.45 E 2.5(fs)-.25 G(ecurity checks)
-2.5 E 23.5(...........................................................\
............................... 33)3.95 F 2.5(4.10. Connection)87 556.8
R 1.56(Caching ........................................................\
....................................................)2.5 F(35)26 E 2.5
(4.11. Name)87 571.2 R(Serv)2.5 E(er Access)-.15 E 23.5(...............\
.......................................................................\
...................... 36)2.85 F 2.5(4.12. Mo)87 585.6 R(ving the Per)
-.15 E(-User F)-.2 E(orw)-.15 E(ard Files)-.1 E 23.5(..................\
.................................................................. 37)
3.84 F 2.5(4.13. Free)87 600 R 1.85(Space .............................\
.......................................................................\
.......................)2.5 F(37)26 E 2.5(4.14. Maximum)87 614.4 R
(Message Size)2.5 E 23.5(..............................................\
....................................................... 37)4.62 F 2.5
(4.15. Pri)87 628.8 R -.25(va)-.25 G .3 -.15(cy F).25 H 1.93(lags .....\
.......................................................................\
...........................................).15 F(37)26 E 2.5
(4.16. Send)87 643.2 R(to Me T)2.5 E 2.08(oo ..........................\
.......................................................................\
..................)-.8 F(38)26 E 2.5(5. THE)72 657.6 R
(WHOLE SCOOP ON THE CONFIGURA)2.5 E(TION FILE)-1.11 E 23.5
(........................................................ 38)4.64 F 2.5
(5.1. R)87 672 R(and S \212 Re)2.5 E(writing Rules)-.25 E 23.5(........\
.......................................................................\
................... 38)4.3 F 2.5(5.1.1. The)102 686.4 R(left hand side)
2.5 E 23.5(............................................................\
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2.11(hooks ............................................................\
...................................................)2.5 F(41)26 E 2.5
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23.5(..................................................................\
......................................... 43)3.5 F 2.5
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(................................................................. 45)
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.......................................................................\
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(......................................................................\
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182.4 R 18.5(..........................................................\
..................................................... 102)2.95 F 2.5
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.....................)-.4 F(104)21 E 2.5(7. A)72 268.8 R(CKNO)-.4 E .1(\
WLEDGEMENTS ...........................................................\
.................................................)-.35 F(105)21 E
(Appendix A.)72 283.2 Q(COMMAND LINE FLA)5 E 1.97(GS ..................\
.......................................................................)
-.4 F(107)21 E(Appendix B.)72 297.6 Q -.1(QU)5 G(EUE FILE FORMA).1 E
1.38(TS ...............................................................\
.............................)-1.11 F(110)21 E(Appendix C.)72 312 Q
(SUMMAR)5 E 2.5(YO)-.65 G 2.5(FS)-2.5 G(UPPOR)-2.5 E 2.5(TF)-.6 G 1.12(\
ILES ..................................................................\
............)-2.5 F(113)21 E 0 Cg EP
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