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1 <HTML>
2 <HEAD><TITLE>xxfi_unknown</TITLE></HEAD>
3 <BODY>
4 <!--
5 $Id: xxfi_unknown.html,v 1.4 2007/04/23 16:30:42 ca Exp $
6 -->
7 <H1>xxfi_unknown</H1>
8
9 <TABLE border="0" cellspacing=4 cellpadding=4>
10 <!---------- Synopsis ----------->
11 <TR><TH valign="top" align=left width=100>SYNOPSIS</TH><TD>
12 <PRE>
13 #include &lt;libmilter/mfapi.h&gt;
14 sfsistat (*xxfi_unknown)(
15         SMFICTX *ctx,
16         const char *arg
17 );
18 </PRE>
19 Handle unknown and unimplemented SMTP commands.
20 </TD></TR>
21
22 <!----------- Description ---------->
23 <TR><TH valign="top" align=left>DESCRIPTION</TH><TD>
24 <TABLE border="1" cellspacing=1 cellpadding=4>
25 <TR align="left" valign=top>
26 <TH width="80">Called When</TH>
27 <TD>xxfi_unknown is called when the client uses an SMTP command
28 that is either unknown or not implemented by the MTA.
29 </TR>
30 <TR align="left" valign=top>
31 <TH>Default Behavior</TH>
32 <TD>Do nothing; return SMFIS_CONTINUE.</TD>
33 </TR>
34 </TABLE>
35
36 <!----------- Arguments ---------->
37 <TR><TH valign="top" align=left>ARGUMENTS</TH><TD>
38     <TABLE border="1" cellspacing=0>
39     <TR bgcolor="#dddddd"><TH>Argument</TH><TH>Description</TH></TR>
40     <TR valign="top"><TD>ctx</TD>
41         <TD>Opaque context structure.
42         </TD></TR>
43     <TR valign="top"><TD>arg</TD>
44         <TD>SMTP command including all arguments.
45         </TD></TR>
46     </TABLE>
47 </TD></TR>
48
49 <!----------- Return values ---------->
50 <TR>
51 <TH valign="top" align=left>SPECIAL RETURN VALUES</TH>
52 <TD><TABLE border="1" cellspacing=0>
53   <TR bgcolor="#dddddd"><TH>Return value</TH><TH>Description</TH></TR>
54   <TR valign="top">
55      <TD>SMFIS_TEMPFAIL</TD>
56      <TD>Reject this command with a temporary error.
57      </TD>
58   </TR>
59   <TR valign="top">
60      <TD>SMFIS_REJECT</TD>
61      <TD>Reject this command.
62      </TD>
63   </TR>
64 </TABLE>
65 </TR>
66
67 <!----------- Notes ---------->
68 <TR>
69 <TH valign="top" align=left>NOTES</TH> 
70 <TD>The SMTP command will always be rejected by the server,
71 it is only possible to return a different error code.
72 </TR>
73 </TABLE>
74
75 <HR size="1">
76 <FONT size="-1">
77 Copyright (c) 2006 Sendmail, Inc. and its suppliers.
78 All rights reserved.
79 <BR>
80 By using this file, you agree to the terms and conditions set
81 forth in the LICENSE.
82 </FONT>
83 </BODY>
84 </HTML>