/*++ /* NAME /* showq 8 /* SUMMARY /* list the Postfix mail queue /* SYNOPSIS /* \fBshowq\fR [generic Postfix daemon options] /* DESCRIPTION /* The \fBshowq\fR(8) daemon reports the Postfix mail queue status. /* The output is meant to be formatted by the postqueue(1) command, /* as it emulates the Sendmail `mailq' command. /* /* The \fBshowq\fR(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 /* .ad /* .fi /* The \fBshowq\fR(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 /* .ad /* .fi /* None. The \fBshowq\fR(8) daemon does not interact with the /* outside world. /* DIAGNOSTICS /* Problems and transactions are logged to \fBsyslogd\fR(8) /* or \fBpostlogd\fR(8). /* CONFIGURATION PARAMETERS /* .ad /* .fi /* Changes to \fBmain.cf\fR are picked up automatically as \fBshowq\fR(8) /* processes run for only a limited amount of time. Use the command /* "\fBpostfix reload\fR" to speed up a change. /* /* The text below provides only a parameter summary. See /* \fBpostconf\fR(5) for more details including examples. /* .IP "\fBconfig_directory (see 'postconf -d' output)\fR" /* The default location of the Postfix main.cf and master.cf /* configuration files. /* .IP "\fBdaemon_timeout (18000s)\fR" /* How much time a Postfix daemon process may take to handle a /* request before it is terminated by a built-in watchdog timer. /* .IP "\fBduplicate_filter_limit (1000)\fR" /* The maximal number of addresses remembered by the address /* duplicate filter for \fBaliases\fR(5) or \fBvirtual\fR(5) alias expansion, or /* for \fBshowq\fR(8) queue displays. /* .IP "\fBempty_address_recipient (MAILER-DAEMON)\fR" /* The recipient of mail addressed to the null address. /* .IP "\fBipc_timeout (3600s)\fR" /* The time limit for sending or receiving information over an internal /* communication channel. /* .IP "\fBmax_idle (100s)\fR" /* The maximum amount of time that an idle Postfix daemon process waits /* for an incoming connection before terminating voluntarily. /* .IP "\fBmax_use (100)\fR" /* The maximal number of incoming connections that a Postfix daemon /* process will service before terminating voluntarily. /* .IP "\fBprocess_id (read-only)\fR" /* The process ID of a Postfix command or daemon process. /* .IP "\fBprocess_name (read-only)\fR" /* The process name of a Postfix command or daemon process. /* .IP "\fBqueue_directory (see 'postconf -d' output)\fR" /* The location of the Postfix top-level queue directory. /* .IP "\fBsyslog_facility (mail)\fR" /* The syslog facility of Postfix logging. /* .IP "\fBsyslog_name (see 'postconf -d' output)\fR" /* A prefix that is prepended to the process name in syslog /* records, so that, for example, "smtpd" becomes "prefix/smtpd". /* .PP /* Available in Postfix version 2.9 and later: /* .IP "\fBenable_long_queue_ids (no)\fR" /* Enable long, non-repeating, queue IDs (queue file names). /* .PP /* Available in Postfix 3.3 and later: /* .IP "\fBservice_name (read-only)\fR" /* The master.cf service name of a Postfix daemon process. /* 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 /* postlogd(8), Postfix logging /* syslogd(8), system logging /* LICENSE /* .ad /* .fi /* 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 /* /* Wietse Venema /* Google, Inc. /* 111 8th Avenue /* New York, NY 10011, USA
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