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<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
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<title> Postfix manual - smtp-sink(1) </title>
</head> <body> <pre>
SMTP-SINK(1) SMTP-SINK(1)
<b>NAME</b>
smtp-sink - multi-threaded SMTP/LMTP test server
<b>SYNOPSIS</b>
<b>smtp-sink</b> [<i>options</i>] [<b>inet:</b>][<i>host</i>]:<i>port backlog</i>
<b>smtp-sink</b> [<i>options</i>] <b>unix:</b><i>pathname backlog</i>
<b>DESCRIPTION</b>
<b>smtp-sink</b> listens on the named host (or address) and port.
It takes SMTP messages from the network and throws them
away. The purpose is to measure client performance, not
protocol compliance.
Connections can be accepted on IPv4 or IPv6 endpoints, or
on UNIX-domain sockets. IPv4 and IPv6 are the default.
This program is the complement of the <a href="smtp-source.1.html"><b>smtp-source</b>(1)</a> pro-
gram.
Arguments:
<b>-4</b> Support IPv4 only. This option has no effect when
Postfix is built without IPv6 support.
<b>-6</b> Support IPv6 only. This option is not available
when Postfix is built without IPv6 support.
<b>-8</b> Do not announce 8BITMIME support.
<b>-a</b> Do not announce SASL authentication support.
<b>-c</b> Display running counters that are updated whenever
an SMTP session ends, a QUIT command is executed,
or when "." is received.
<b>-C</b> Disable XCLIENT support.
<b>-e</b> Do not announce ESMTP support.
<b>-E</b> Do not announce ENHANCEDSTATUSCODES support.
<b>-f</b> <i>command,command,...</i>
Reject the specified commands with a hard (5xx)
error code. This option implies <b>-p</b>.
Examples of commands are CONNECT, HELO, EHLO, LHLO,
MAIL, RCPT, VRFY, DATA, ., RSET, NOOP, and QUIT.
Separate command names by white space or commas,
and use quotes to protect white space from the
shell. Command names are case-insensitive.
<b>-F</b> Disable XFORWARD support.
<b>-h</b> <i>hostname</i>
Use <i>hostname</i> in the SMTP greeting, in the HELO
response, and in the EHLO response. The default
hostname is "smtp-sink".
<b>-L</b> Enable LMTP instead of SMTP.
<b>-n</b> <i>count</i>
Terminate after <i>count</i> sessions. This is for testing
purposes.
<b>-p</b> Do not announce support for ESMTP command pipelin-
ing.
<b>-P</b> Change the server greeting so that it appears to
come through a CISCO PIX system. Implies <b>-e</b>.
<b>-q</b> <i>command,command,...</i>
Disconnect (without replying) after receiving one
of the specified commands.
Examples of commands are CONNECT, HELO, EHLO, LHLO,
MAIL, RCPT, VRFY, DATA, ., RSET, NOOP, and QUIT.
Separate command names by white space or commas,
and use quotes to protect white space from the
shell. Command names are case-insensitive.
<b>-r</b> <i>command,command,...</i>
Reject the specified commands with a soft (4xx)
error code. This option implies <b>-p</b>.
Examples of commands are CONNECT, HELO, EHLO, LHLO,
MAIL, RCPT, VRFY, DATA, ., RSET, NOOP, and QUIT.
Separate command names by white space or commas,
and use quotes to protect white space from the
shell. Command names are case-insensitive.
<b>-s</b> <i>command,command,...</i>
Log the named commands to syslogd.
Examples of commands are CONNECT, HELO, EHLO, LHLO,
MAIL, RCPT, VRFY, DATA, ., RSET, NOOP, and QUIT.
Separate command names by white space or commas,
and use quotes to protect white space from the
shell. Command names are case-insensitive.
<b>-t</b> <i>timeout</i> (default: 100)
Limit the time for receiving a command or sending a
response. The time limit is specified in seconds.
<b>-v</b> Show the SMTP conversations.
<b>-w</b> <i>delay</i>
Wait <i>delay</i> seconds before responding to a DATA com-
mand.
[<b>inet:</b>][<i>host</i>]:<i>port</i>
Listen on network interface <i>host</i> (default: any
interface) TCP port <i>port</i>. Both <i>host</i> and <i>port</i> may be
specified in numeric or symbolic form.
<b>unix:</b><i>pathname</i>
Listen on the UNIX-domain socket at <i>pathname</i>.
<i>backlog</i>
The maximum length the queue of pending connec-
tions, as defined by the <b>listen</b>(2) system call.
<b>SEE ALSO</b>
<a href="smtp-source.1.html">smtp-source(1)</a>, SMTP/LMTP message generator
<b>LICENSE</b>
The Secure Mailer license must be distributed with this
software.
<b>AUTHOR(S)</b>
Wietse Venema
IBM T.J. Watson Research
P.O. Box 704
Yorktown Heights, NY 10598, USA
SMTP-SINK(1)
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