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POSTQUEUE(1)                General Commands Manual               POSTQUEUE(1)




NAME
       postqueue - Postfix queue control

SYNOPSIS
       postqueue [-v] [-c config_dir] -f
       postqueue [-v] [-c config_dir] -i queue_id
       postqueue [-v] [-c config_dir] -p
       postqueue [-v] [-c config_dir] -s site

DESCRIPTION
       The postqueue(1) command implements the Postfix user interface for
       queue management. It implements operations that are traditionally
       available via the sendmail(1) command.  See the postsuper(1) command
       for queue operations that require super-user privileges such as
       deleting a message from the queue or changing the status of a message.

       The following options are recognized:

       -c config_dir
              The main.cf configuration file is in the named directory instead
              of the default configuration directory. See also the MAIL_CONFIG
              environment setting below.

       -f     Flush the queue: attempt to deliver all queued mail.

              This option implements the traditional "sendmail -q" command, by
              contacting the Postfix qmgr(8) daemon.

              Warning: flushing undeliverable mail frequently will result in
              poor delivery performance of all other mail.

       -i queue_id
              Schedule immediate delivery of deferred mail with the specified
              queue ID.

              This option implements the traditional sendmail -qI command, by
              contacting the flush(8) server.

              This feature is available with Postfix version 2.4 and later.

       -p     Produce a traditional sendmail-style queue listing.  This option
              implements the traditional mailq command, by contacting the
              Postfix showq(8) daemon.

              Each queue entry shows the queue file ID, message size, arrival
              time, sender, and the recipients that still need to be
              delivered.  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:

              *      The message is in the active queue, i.e. the message is
                     selected for delivery.

              !      The message is in the hold queue, i.e. no further
                     delivery attempt will be made until the mail is taken off
                     hold.

       -s site
              Schedule immediate delivery of all mail that is queued for the
              named site. A numerical site must be specified as a valid RFC
              5321 address literal enclosed in [], just like in email
              addresses.  The site must be eligible for the "fast flush"
              service.  See flush(8) for more information about the "fast
              flush" service.

              This option implements the traditional "sendmail -qRsite"
              command, by contacting the Postfix flush(8) daemon.

       -v     Enable verbose logging for debugging purposes. Multiple -v
              options make the software increasingly verbose. As of Postfix
              2.3, this option is available for the super-user only.

SECURITY
       This program is designed to run with set-group ID privileges, so that
       it can connect to Postfix daemon processes.

DIAGNOSTICS
       Problems are logged to syslogd(8) and to the standard error stream.

ENVIRONMENT

       MAIL_CONFIG
              Directory with the main.cf file. In order to avoid exploitation
              of set-group ID privileges, a non-standard directory is allowed
              only if:

              o      The name is listed in the standard main.cf file with the
                     alternate_config_directories configuration parameter.

              o      The command is invoked by the super-user.

CONFIGURATION PARAMETERS
       The following main.cf parameters are especially relevant to this
       program.  The text below provides only a parameter summary. See
       postconf(5) for more details including examples.

       alternate_config_directories (empty)
              A list of non-default Postfix configuration directories that may
              be specified with "-c config_directory" on the command line, or
              via the MAIL_CONFIG environment parameter.

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

       command_directory (see 'postconf -d' output)
              The location of all postfix administrative commands.

       fast_flush_domains ($relay_domains)
              Optional list of destinations that are eligible for per-
              destination logfiles with mail that is queued to those
              destinations.

       import_environment (see 'postconf -d' output)
              The list of environment parameters that a Postfix process will
              import from a non-Postfix parent 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".

       trigger_timeout (10s)
              The time limit for sending a trigger to a Postfix daemon (for
              example, the pickup(8) or qmgr(8) daemon).

       Available in Postfix version 2.2 and later:

       authorized_flush_users (static:anyone)
              List of users who are authorized to flush the queue.

       authorized_mailq_users (static:anyone)
              List of users who are authorized to view the queue.

FILES
       /var/spool/postfix, mail queue

SEE ALSO
       qmgr(8), queue manager
       showq(8), list mail queue
       flush(8), fast flush service
       sendmail(1), Sendmail-compatible user interface
       postsuper(1), privileged queue operations

README FILES
       Use "postconf readme_directory" or "postconf html_directory" to locate
       this information.
       ETRN_README, Postfix ETRN howto

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

HISTORY
       The postqueue command was introduced with Postfix version 1.1.

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



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