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POSTQUEUE(1) POSTQUEUE(1)
<b>NAME</b>
postqueue - Postfix queue control
<b>SYNOPSIS</b>
<b>postqueue</b> [<b>-v</b>] [<b>-c</b> <i>config</i><b>_</b><i>dir</i>] <b>-f</b>
<b>postqueue</b> [<b>-v</b>] [<b>-c</b> <i>config</i><b>_</b><i>dir</i>] <b>-i</b> <i>queue</i><b>_</b><i>id</i>
<b>postqueue</b> [<b>-v</b>] [<b>-c</b> <i>config</i><b>_</b><i>dir</i>] <b>-p</b>
<b>postqueue</b> [<b>-v</b>] [<b>-c</b> <i>config</i><b>_</b><i>dir</i>] <b>-s</b> <i>site</i>
<b>DESCRIPTION</b>
The <a href="postqueue.1.html"><b>postqueue</b>(1)</a> command implements the Postfix user interface for
queue management. It implements operations that are traditionally
available via the <a href="sendmail.1.html"><b>sendmail</b>(1)</a> command. See the <a href="postsuper.1.html"><b>postsuper</b>(1)</a> command
for queue operations that require super-user privileges such as delet-
ing a message from the queue or changing the status of a message.
The following options are recognized:
<b>-c</b> <i>config</i><b>_</b><i>dir</i>
The <a href="postconf.5.html"><b>main.cf</b></a> configuration file is in the named directory instead
of the default configuration directory. See also the MAIL_CONFIG
environment setting below.
<b>-f</b> Flush the queue: attempt to deliver all queued mail.
This option implements the traditional "<b>sendmail -q</b>" command, by
contacting the Postfix <a href="qmgr.8.html"><b>qmgr</b>(8)</a> daemon.
Warning: flushing undeliverable mail frequently will result in
poor delivery performance of all other mail.
<b>-i</b> <i>queue</i><b>_</b><i>id</i>
Schedule immediate delivery of deferred mail with the specified
queue ID.
This option implements the traditional <b>sendmail -qI</b> command, by
contacting the <a href="flush.8.html"><b>flush</b>(8)</a> server.
This feature is available with Postfix version 2.4 and later.
<b>-p</b> Produce a traditional sendmail-style queue listing. This option
implements the traditional <b>mailq</b> command, by contacting the
Postfix <a href="showq.8.html"><b>showq</b>(8)</a> daemon.
Each queue entry shows the queue file ID, message size, arrival
time, sender, and the recipients that still need to be deliv-
ered. If mail could not be delivered upon the last attempt, the
reason for failure is shown. The queue ID string is followed by
an optional status character:
<b>*</b> The message is in the <b>active</b> queue, i.e. the message is
selected for delivery.
<b>!</b> The message is in the <b>hold</b> queue, i.e. no further deliv-
ery attempt will be made until the mail is taken off
hold.
<b>-s</b> <i>site</i>
Schedule immediate delivery of all mail that is queued for the
named <i>site</i>. A numerical site must be specified as a valid <a href="http://tools.ietf.org/html/rfc5321">RFC</a>
<a href="http://tools.ietf.org/html/rfc5321">5321</a> address literal enclosed in [], just like in email
addresses. The site must be eligible for the "fast flush" ser-
vice. See <a href="flush.8.html"><b>flush</b>(8)</a> for more information about the "fast flush"
service.
This option implements the traditional "<b>sendmail -qR</b><i>site</i>" com-
mand, by contacting the Postfix <a href="flush.8.html"><b>flush</b>(8)</a> daemon.
<b>-v</b> Enable verbose logging for debugging purposes. Multiple <b>-v</b>
options make the software increasingly verbose. As of Postfix
2.3, this option is available for the super-user only.
<b>SECURITY</b>
This program is designed to run with set-group ID privileges, so that
it can connect to Postfix daemon processes.
<b>DIAGNOSTICS</b>
Problems are logged to <b>syslogd</b>(8) and to the standard error stream.
<b>ENVIRONMENT</b>
MAIL_CONFIG
Directory with the <a href="postconf.5.html"><b>main.cf</b></a> file. In order to avoid exploitation
of set-group ID privileges, a non-standard directory is allowed
only if:
<b>o</b> The name is listed in the standard <a href="postconf.5.html"><b>main.cf</b></a> file with the
<b><a href="postconf.5.html#alternate_config_directories">alternate_config_directories</a></b> configuration parameter.
<b>o</b> The command is invoked by the super-user.
<b>CONFIGURATION PARAMETERS</b>
The following <a href="postconf.5.html"><b>main.cf</b></a> parameters are especially relevant to this pro-
gram. The text below provides only a parameter summary. See <a href="postconf.5.html"><b>post-</b></a>
<a href="postconf.5.html"><b>conf</b>(5)</a> for more details including examples.
<b><a href="postconf.5.html#alternate_config_directories">alternate_config_directories</a> (empty)</b>
A list of non-default Postfix configuration directories that may
be specified with "-c <a href="postconf.5.html#config_directory">config_directory</a>" on the command line, or
via the MAIL_CONFIG environment parameter.
<b><a href="postconf.5.html#config_directory">config_directory</a> (see 'postconf -d' output)</b>
The default location of the Postfix <a href="postconf.5.html">main.cf</a> and <a href="master.5.html">master.cf</a> con-
figuration files.
<b><a href="postconf.5.html#command_directory">command_directory</a> (see 'postconf -d' output)</b>
The location of all postfix administrative commands.
<b><a href="postconf.5.html#fast_flush_domains">fast_flush_domains</a> ($<a href="postconf.5.html#relay_domains">relay_domains</a>)</b>
Optional list of destinations that are eligible for per-destina-
tion logfiles with mail that is queued to those destinations.
<b><a href="postconf.5.html#import_environment">import_environment</a> (see 'postconf -d' output)</b>
The list of environment parameters that a Postfix process will
import from a non-Postfix parent process.
<b><a href="postconf.5.html#queue_directory">queue_directory</a> (see 'postconf -d' output)</b>
The location of the Postfix top-level queue directory.
<b><a href="postconf.5.html#syslog_facility">syslog_facility</a> (mail)</b>
The syslog facility of Postfix logging.
<b><a href="postconf.5.html#syslog_name">syslog_name</a> (see 'postconf -d' output)</b>
The mail system name that is prepended to the process name in
syslog records, so that "smtpd" becomes, for example, "post-
fix/smtpd".
<b><a href="postconf.5.html#trigger_timeout">trigger_timeout</a> (10s)</b>
The time limit for sending a trigger to a Postfix daemon (for
example, the <a href="pickup.8.html"><b>pickup</b>(8)</a> or <a href="qmgr.8.html"><b>qmgr</b>(8)</a> daemon).
Available in Postfix version 2.2 and later:
<b><a href="postconf.5.html#authorized_flush_users">authorized_flush_users</a> (<a href="DATABASE_README.html#types">static</a>:anyone)</b>
List of users who are authorized to flush the queue.
<b><a href="postconf.5.html#authorized_mailq_users">authorized_mailq_users</a> (<a href="DATABASE_README.html#types">static</a>:anyone)</b>
List of users who are authorized to view the queue.
<b>FILES</b>
/var/spool/postfix, mail queue
<b>SEE ALSO</b>
<a href="qmgr.8.html">qmgr(8)</a>, queue manager
<a href="showq.8.html">showq(8)</a>, list mail queue
<a href="flush.8.html">flush(8)</a>, fast flush service
<a href="sendmail.1.html">sendmail(1)</a>, Sendmail-compatible user interface
<a href="postsuper.1.html">postsuper(1)</a>, privileged queue operations
<b>README FILES</b>
<a href="ETRN_README.html">ETRN_README</a>, Postfix ETRN howto
<b>LICENSE</b>
The Secure Mailer license must be distributed with this software.
<b>HISTORY</b>
The postqueue command was introduced with Postfix version 1.1.
<b>AUTHOR(S)</b>
Wietse Venema
IBM T.J. Watson Research
P.O. Box 704
Yorktown Heights, NY 10598, USA
POSTQUEUE(1)
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