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postqueue - Postfix queue control
postqueue [-c config_dir] -f
postqueue [-c config_dir] -p
postqueue [-c config_dir] -s site
The postqueue program implements the Postfix user interface for queue management. It
implements all the operations that are traditionally available via the sendmail(1) com-
The following options are recognized:
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 Post-
fix qmgr(8) daemon.
-p Produce a traditional sendmail-style queue listing.
This option implements the traditional mailq command, by contacting the Postfix
Schedule immediate delivery of all mail that is queued for the named site. 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 soft-
ware increasingly verbose.
This program is designed to run with set-group ID privileges, so that it can connect to
Postfix daemon processes.
Problems are logged to syslogd(8) and to the standard error stream.
Directory with the main.cf file.
In order to avoid exploitation of set-group ID privileges, it is not possible to
specify arbitrary directory names.
A non-standard directory is allowed only if the name is listed in the standard
main.cf file, in the alternate_config_directories configuration parameter value.
Only the super-user is allowed to specify arbitrary directory names.
/var/spool/postfix, mail queue
/etc/postfix, configuration files
List of names of environment parameters that can be imported from non-Postfix pro-
Top-level directory of the Postfix queue. This is also the root directory of Post-
fix daemons that run chrooted.
List of domains that will receive "fast flush" service (default: all domains that
this system is willing to relay mail to). This list specifies the domains that
Postfix accepts in the SMTP ETRN request and in the sendmail -qR command.
sendmail(8) sendmail-compatible user interface
qmgr(8) queue manager
showq(8) list mail queue
flush(8) fast flush service
The Secure Mailer license must be distributed with this software.
IBM T.J. Watson Research
P.O. Box 704
Yorktown Heights, NY 10598, USA
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