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SHOWQ(8postfix) 								  SHOWQ(8postfix)

NAME
       showq - list the Postfix mail queue

SYNOPSIS
       showq [generic Postfix daemon options]

DESCRIPTION
       The  showq(8)  daemon  reports the Postfix mail queue status.  It is the program that emu-
       lates the sendmail `mailq' command.

       The showq(8) daemon can also be run in stand-alone mode by the  superuser.  This  mode  of
       operation is used to emulate the `mailq' command while the Postfix mail system is down.

SECURITY
       The  showq(8)  daemon  can run in a chroot jail at fixed low privilege, and takes no input
       from the client. Its service port is accessible to local untrusted users, so  the  service
       can be susceptible to denial of service attacks.

STANDARDS
       None. The showq(8) daemon does not interact with the outside world.

DIAGNOSTICS
       Problems and transactions are logged to syslogd(8).

CONFIGURATION PARAMETERS
       Changes	to  main.cf are picked up automatically as showq(8) processes run for only a lim-
       ited amount of time. Use the command "postfix reload" to speed up a change.

       The text below provides only a parameter summary. See postconf(5) for more details includ-
       ing examples.

       config_directory (see 'postconf -d' output)
	      The default location of the Postfix main.cf and master.cf configuration files.

       daemon_timeout(18000s)
	      How  much  time  a Postfix daemon process may take to handle a request before it is
	      terminated by a built-in watchdog timer.

       duplicate_filter_limit(1000)
	      The maximal number of addresses remembered by  the  address  duplicate  filter  for
	      aliases(5) or virtual(5) alias expansion, or for showq(8) queue displays.

       empty_address_recipient (MAILER-DAEMON)
	      The recipient of mail addressed to the null address.

       ipc_timeout(3600s)
	      The  time limit for sending or receiving information over an internal communication
	      channel.

       max_idle(100s)
	      The maximum amount of time that an idle Postfix daemon process waits for an  incom-
	      ing connection before terminating voluntarily.

       max_use(100)
	      The  maximal number of incoming connections that a Postfix daemon process will ser-
	      vice before terminating voluntarily.

       process_id (read-only)
	      The process ID of a Postfix command or daemon process.

       process_name (read-only)
	      The process name of a Postfix command or daemon process.

       queue_directory (see 'postconf -d' output)
	      The location of the Postfix top-level queue directory.

       syslog_facility (mail)
	      The syslog facility of Postfix logging.

       syslog_name (see 'postconf -d' output)
	      The mail system name that is prepended to the process name in  syslog  records,  so
	      that "smtpd" becomes, for example, "postfix/smtpd".

FILES
       /var/spool/postfix, queue directories

SEE ALSO
       pickup(8), local mail pickup service
       cleanup(8), canonicalize and enqueue mail
       qmgr(8), queue manager
       postconf(5), configuration parameters
       master(8), process manager
       syslogd(8), system logging

LICENSE
       The Secure Mailer license must be distributed with this software.

AUTHOR(S)
       Wietse Venema
       IBM T.J. Watson Research
       P.O. Box 704
       Yorktown Heights, NY 10598, USA

										  SHOWQ(8postfix)
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