showq.8.html revision 1.1.1.2
1 1.1 tron <!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN" 2 1.1 tron "http://www.w3.org/TR/html4/loose.dtd"> 3 1.1 tron <html> <head> 4 1.1 tron <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> 5 1.1 tron <title> Postfix manual - showq(8) </title> 6 1.1 tron </head> <body> <pre> 7 1.1 tron SHOWQ(8) SHOWQ(8) 8 1.1 tron 9 1.1 tron <b>NAME</b> 10 1.1 tron showq - list the Postfix mail queue 11 1.1 tron 12 1.1 tron <b>SYNOPSIS</b> 13 1.1 tron <b>showq</b> [generic Postfix daemon options] 14 1.1 tron 15 1.1 tron <b>DESCRIPTION</b> 16 1.1 tron The <a href="showq.8.html"><b>showq</b>(8)</a> daemon reports the Postfix mail queue status. 17 1.1 tron It is the program that emulates the sendmail `mailq' com- 18 1.1 tron mand. 19 1.1 tron 20 1.1 tron The <a href="showq.8.html"><b>showq</b>(8)</a> daemon can also be run in stand-alone mode by 21 1.1 tron the superuser. This mode of operation is used to emulate 22 1.1 tron the `mailq' command while the Postfix mail system is down. 23 1.1 tron 24 1.1 tron <b>SECURITY</b> 25 1.1 tron The <a href="showq.8.html"><b>showq</b>(8)</a> daemon can run in a chroot jail at fixed low 26 1.1 tron privilege, and takes no input from the client. Its service 27 1.1 tron port is accessible to local untrusted users, so the ser- 28 1.1 tron vice can be susceptible to denial of service attacks. 29 1.1 tron 30 1.1 tron <b>STANDARDS</b> 31 1.1 tron None. The <a href="showq.8.html"><b>showq</b>(8)</a> daemon does not interact with the out- 32 1.1 tron side world. 33 1.1 tron 34 1.1 tron <b>DIAGNOSTICS</b> 35 1.1 tron Problems and transactions are logged to <b>syslogd</b>(8). 36 1.1 tron 37 1.1 tron <b>CONFIGURATION PARAMETERS</b> 38 1.1 tron Changes to <a href="postconf.5.html"><b>main.cf</b></a> are picked up automatically as <a href="showq.8.html"><b>showq</b>(8)</a> 39 1.1 tron processes run for only a limited amount of time. Use the 40 1.1 tron command "<b>postfix reload</b>" to speed up a change. 41 1.1 tron 42 1.1 tron The text below provides only a parameter summary. See 43 1.1 tron <a href="postconf.5.html"><b>postconf</b>(5)</a> for more details including examples. 44 1.1 tron 45 1.1 tron <b><a href="postconf.5.html#config_directory">config_directory</a> (see 'postconf -d' output)</b> 46 1.1 tron The default location of the Postfix <a href="postconf.5.html">main.cf</a> and 47 1.1 tron <a href="master.5.html">master.cf</a> configuration files. 48 1.1 tron 49 1.1 tron <b><a href="postconf.5.html#daemon_timeout">daemon_timeout</a> (18000s)</b> 50 1.1 tron How much time a Postfix daemon process may take to 51 1.1 tron handle a request before it is terminated by a 52 1.1 tron built-in watchdog timer. 53 1.1 tron 54 1.1 tron <b><a href="postconf.5.html#duplicate_filter_limit">duplicate_filter_limit</a> (1000)</b> 55 1.1 tron The maximal number of addresses remembered by the 56 1.1 tron address duplicate filter for <a href="aliases.5.html"><b>aliases</b>(5)</a> or <a href="virtual.5.html"><b>vir-</b></a> 57 1.1 tron <a href="virtual.5.html"><b>tual</b>(5)</a> alias expansion, or for <a href="showq.8.html"><b>showq</b>(8)</a> queue dis- 58 1.1 tron plays. 59 1.1 tron 60 1.1 tron <b><a href="postconf.5.html#empty_address_recipient">empty_address_recipient</a> (MAILER-DAEMON)</b> 61 1.1 tron The recipient of mail addressed to the null 62 1.1 tron address. 63 1.1 tron 64 1.1 tron <b><a href="postconf.5.html#ipc_timeout">ipc_timeout</a> (3600s)</b> 65 1.1 tron The time limit for sending or receiving information 66 1.1 tron over an internal communication channel. 67 1.1 tron 68 1.1 tron <b><a href="postconf.5.html#max_idle">max_idle</a> (100s)</b> 69 1.1 tron The maximum amount of time that an idle Postfix 70 1.1 tron daemon process waits for an incoming connection 71 1.1 tron before terminating voluntarily. 72 1.1 tron 73 1.1 tron <b><a href="postconf.5.html#max_use">max_use</a> (100)</b> 74 1.1 tron The maximal number of incoming connections that a 75 1.1 tron Postfix daemon process will service before termi- 76 1.1 tron nating voluntarily. 77 1.1 tron 78 1.1 tron <b><a href="postconf.5.html#process_id">process_id</a> (read-only)</b> 79 1.1 tron The process ID of a Postfix command or daemon 80 1.1 tron process. 81 1.1 tron 82 1.1 tron <b><a href="postconf.5.html#process_name">process_name</a> (read-only)</b> 83 1.1 tron The process name of a Postfix command or daemon 84 1.1 tron process. 85 1.1 tron 86 1.1 tron <b><a href="postconf.5.html#queue_directory">queue_directory</a> (see 'postconf -d' output)</b> 87 1.1 tron The location of the Postfix top-level queue direc- 88 1.1 tron tory. 89 1.1 tron 90 1.1 tron <b><a href="postconf.5.html#syslog_facility">syslog_facility</a> (mail)</b> 91 1.1 tron The syslog facility of Postfix logging. 92 1.1 tron 93 1.1 tron <b><a href="postconf.5.html#syslog_name">syslog_name</a> (see 'postconf -d' output)</b> 94 1.1 tron The mail system name that is prepended to the 95 1.1 tron process name in syslog records, so that "smtpd" 96 1.1 tron becomes, for example, "postfix/smtpd". 97 1.1 tron 98 1.1.1.2 tron Available in Postfix version 2.9 and later: 99 1.1.1.2 tron 100 1.1.1.2 tron <b><a href="postconf.5.html#enable_long_queue_ids">enable_long_queue_ids</a> (no)</b> 101 1.1.1.2 tron Enable long, non-repeating, queue IDs (queue file 102 1.1.1.2 tron names). 103 1.1.1.2 tron 104 1.1 tron <b>FILES</b> 105 1.1 tron /var/spool/postfix, queue directories 106 1.1 tron 107 1.1 tron <b>SEE ALSO</b> 108 1.1 tron <a href="pickup.8.html">pickup(8)</a>, local mail pickup service 109 1.1 tron <a href="cleanup.8.html">cleanup(8)</a>, canonicalize and enqueue mail 110 1.1 tron <a href="qmgr.8.html">qmgr(8)</a>, queue manager 111 1.1 tron <a href="postconf.5.html">postconf(5)</a>, configuration parameters 112 1.1 tron <a href="master.8.html">master(8)</a>, process manager 113 1.1 tron syslogd(8), system logging 114 1.1 tron 115 1.1 tron <b>LICENSE</b> 116 1.1.1.2 tron The Secure Mailer license must be distributed with this 117 1.1 tron software. 118 1.1 tron 119 1.1 tron <b>AUTHOR(S)</b> 120 1.1 tron Wietse Venema 121 1.1 tron IBM T.J. Watson Research 122 1.1 tron P.O. Box 704 123 1.1 tron Yorktown Heights, NY 10598, USA 124 1.1 tron 125 1.1 tron SHOWQ(8) 126 1.1 tron </pre> </body> </html> 127
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