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<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
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<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
<title> Postfix manual - smtp-source(1) </title>
</head> <body> <pre>
SMTP-SOURCE(1) SMTP-SOURCE(1)
<b>NAME</b>
smtp-source - multi-threaded SMTP/LMTP test generator
<b>SYNOPSIS</b>
<b>smtp-source</b> [<i>options</i>] [<b>inet:</b>]<i>host</i>[:<i>port</i>]
<b>smtp-source</b> [<i>options</i>] <b>unix:</b><i>pathname</i>
<b>DESCRIPTION</b>
<b>smtp-source</b> connects to the named <i>host</i> and TCP <i>port</i>
(default: port 25) and sends one or more messages to it,
either sequentially or in parallel. The program speaks
either SMTP (default) or LMTP. Connections can be made to
UNIX-domain and IPv4 or IPv6 servers. IPv4 and IPv6 are
the default.
Arguments:
<b>-4</b> Connect to the server with IPv4. This option has no
effect when Postfix is built without IPv6 support.
<b>-6</b> Connect to the server with IPv6. This option is not
available when Postfix is built without IPv6 sup-
port.
<b>-c</b> Display a running counter that is incremented each
time an SMTP DATA command completes.
<b>-C</b> <i>count</i>
When a host sends RESET instead of SYN|ACK, try
<i>count</i> times before giving up. The default count is
1. Specify a larger count in order to work around a
problem with TCP/IP stacks that send RESET when the
listen queue is full.
<b>-d</b> Don't disconnect after sending a message; send the
next message over the same connection.
<b>-f</b> <i>from</i>
Use the specified sender address (default:
<foo@<a href="postconf.5.html#myhostname">myhostname</a>>).
<b>-l</b> <i>length</i>
Send <i>length</i> bytes as message payload. The length
does not include message headers.
<b>-L</b> Speak LMTP rather than SMTP.
<b>-m</b> <i>message</i><b>_</b><i>count</i>
Send the specified number of messages (default: 1).
<b>-M</b> <i><a href="postconf.5.html#myhostname">myhostname</a></i>
Use the specified hostname or [address] in the HELO
command and in the default sender and recipient
addresses, instead of the machine hostname.
<b>-N</b> Prepend a non-repeating sequence number to each
recipient address. This avoids the artificial 100%
hit rate in the resolve and rewrite client caches
and exercises the trivial-rewrite daemon, better
approximating Postfix performance under real-life
work-loads.
<b>-o</b> Old mode: don't send HELO, and don't send message
headers.
<b>-r</b> <i>recipient</i><b>_</b><i>count</i>
Send the specified number of recipients per trans-
action (default: 1). Recipient names are generated
by prepending a number to the recipient address.
<b>-s</b> <i>session</i><b>_</b><i>count</i>
Run the specified number of SMTP sessions in paral-
lel (default: 1).
<b>-S</b> <i>subject</i>
Send mail with the named subject line (default:
none).
<b>-t</b> <i>to</i> Use the specified recipient address (default:
<foo@<a href="postconf.5.html#myhostname">myhostname</a>>).
<b>-R</b> <i>interval</i>
Wait for a random period of time 0 <= n <= interval
between messages. Suspending one thread does not
affect other delivery threads.
<b>-v</b> Make the program more verbose, for debugging pur-
poses.
<b>-w</b> <i>interval</i>
Wait a fixed time between messages. Suspending one
thread does not affect other delivery threads.
[<b>inet:</b>]<i>host</i>[:<i>port</i>]
Connect via TCP to host <i>host</i>, port <i>port</i>. The
default port is <b>smtp</b>.
<b>unix:</b><i>pathname</i>
Connect to the UNIX-domain socket at <i>pathname</i>.
<b>BUGS</b>
No SMTP command pipelining support.
<b>SEE ALSO</b>
<a href="smtp-sink.1.html">smtp-sink(1)</a>, SMTP/LMTP message dump
<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-SOURCE(1)
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