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<HTML>
<HEAD><TITLE>xxfi_unknown</TITLE></HEAD>
<BODY>
<!--
$Id: xxfi_unknown.html,v 1.5 2013/11/22 20:51:39 ca Exp $
-->
<H1>xxfi_unknown</H1>
<TABLE border="0" cellspacing=4 cellpadding=4>
<!---------- Synopsis ----------->
<TR><TH valign="top" align=left width=100>SYNOPSIS</TH><TD>
<PRE>
#include <libmilter/mfapi.h>
sfsistat (*xxfi_unknown)(
SMFICTX *ctx,
const char *arg
);
</PRE>
Handle unknown and unimplemented SMTP commands.
</TD></TR>
<!----------- Description ---------->
<TR><TH valign="top" align=left>DESCRIPTION</TH><TD>
<TABLE border="1" cellspacing=1 cellpadding=4>
<TR align="left" valign=top>
<TH width="80">Called When</TH>
<TD>xxfi_unknown is called when the client uses an SMTP command
that is either unknown or not implemented by the MTA.
</TR>
<TR align="left" valign=top>
<TH>Default Behavior</TH>
<TD>Do nothing; return SMFIS_CONTINUE.</TD>
</TR>
</TABLE>
<!----------- Arguments ---------->
<TR><TH valign="top" align=left>ARGUMENTS</TH><TD>
<TABLE border="1" cellspacing=0>
<TR bgcolor="#dddddd"><TH>Argument</TH><TH>Description</TH></TR>
<TR valign="top"><TD>ctx</TD>
<TD>Opaque context structure.
</TD></TR>
<TR valign="top"><TD>arg</TD>
<TD>SMTP command including all arguments.
</TD></TR>
</TABLE>
</TD></TR>
<!----------- Return values ---------->
<TR>
<TH valign="top" align=left>SPECIAL RETURN VALUES</TH>
<TD><TABLE border="1" cellspacing=0>
<TR bgcolor="#dddddd"><TH>Return value</TH><TH>Description</TH></TR>
<TR valign="top">
<TD>SMFIS_TEMPFAIL</TD>
<TD>Reject this command with a temporary error.
</TD>
</TR>
<TR valign="top">
<TD>SMFIS_REJECT</TD>
<TD>Reject this command.
</TD>
</TR>
</TABLE>
</TR>
<!----------- Notes ---------->
<TR>
<TH valign="top" align=left>NOTES</TH>
<TD>The SMTP command will always be rejected by the server,
it is only possible to return a different error code.
</TR>
</TABLE>
<HR size="1">
<FONT size="-1">
Copyright (c) 2006 Proofpoint, Inc. and its suppliers.
All rights reserved.
<BR>
By using this file, you agree to the terms and conditions set
forth in the LICENSE.
</FONT>
</BODY>
</HTML>
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