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postqueue(1) - phpMan
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 per‐
formance 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 fol‐
lowed by an optional status character:
* The message is in the active queue, i.e. the message is selected for deliv‐
ery.
! 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 numer‐
ical 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" ser‐
vice. 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 soft‐
ware 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:
· The name is listed in the standard main.cf file with the alternate_con‐
fig_directories configuration parameter.
· 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
POSTQUEUE(1)
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