showq.8.html revision 1.1.1.6
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 1.1.1.6 christos <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 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 1.1.1.4 christos The <a href="showq.8.html"><b>showq</b>(8)</a> daemon reports the Postfix mail queue status. The output 17 1.1.1.4 christos is meant to be formatted by the <a href="postqueue.1.html">postqueue(1)</a> command, as it emulates 18 1.1.1.4 christos the Sendmail `mailq' command. 19 1.1.1.3 tron 20 1.1.1.4 christos The <a href="showq.8.html"><b>showq</b>(8)</a> daemon can also be run in stand-alone mode by the supe- 21 1.1.1.4 christos ruser. This mode of operation is used to emulate the `mailq' command 22 1.1.1.3 tron while the Postfix mail system is down. 23 1.1 tron 24 1.1 tron <b>SECURITY</b> 25 1.1.1.4 christos The <a href="showq.8.html"><b>showq</b>(8)</a> daemon can run in a chroot jail at fixed low privilege, 26 1.1.1.4 christos and takes no input from the client. Its service port is accessible to 27 1.1.1.4 christos local untrusted users, so the service can be susceptible to denial of 28 1.1.1.3 tron service attacks. 29 1.1 tron 30 1.1 tron <b>STANDARDS</b> 31 1.1.1.3 tron None. The <a href="showq.8.html"><b>showq</b>(8)</a> daemon does not interact with the outside world. 32 1.1 tron 33 1.1 tron <b>DIAGNOSTICS</b> 34 1.1.1.5 christos Problems and transactions are logged to <b>syslogd</b>(8) or <a href="postlogd.8.html"><b>postlogd</b>(8)</a>. 35 1.1 tron 36 1.1 tron <b>CONFIGURATION PARAMETERS</b> 37 1.1.1.4 christos 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> processes 38 1.1.1.3 tron run for only a limited amount of time. Use the command "<b>postfix reload</b>" 39 1.1.1.3 tron to speed up a change. 40 1.1 tron 41 1.1.1.4 christos The text below provides only a parameter summary. See <a href="postconf.5.html"><b>postconf</b>(5)</a> for 42 1.1.1.3 tron more details including examples. 43 1.1 tron 44 1.1 tron <b><a href="postconf.5.html#config_directory">config_directory</a> (see 'postconf -d' output)</b> 45 1.1.1.4 christos The default location of the Postfix <a href="postconf.5.html">main.cf</a> and <a href="master.5.html">master.cf</a> con- 46 1.1.1.3 tron figuration files. 47 1.1 tron 48 1.1 tron <b><a href="postconf.5.html#daemon_timeout">daemon_timeout</a> (18000s)</b> 49 1.1.1.4 christos How much time a Postfix daemon process may take to handle a 50 1.1.1.3 tron request before it is terminated by a built-in watchdog timer. 51 1.1 tron 52 1.1 tron <b><a href="postconf.5.html#duplicate_filter_limit">duplicate_filter_limit</a> (1000)</b> 53 1.1.1.3 tron The maximal number of addresses remembered by the address dupli- 54 1.1.1.3 tron cate filter for <a href="aliases.5.html"><b>aliases</b>(5)</a> or <a href="virtual.5.html"><b>virtual</b>(5)</a> alias expansion, or for 55 1.1.1.3 tron <a href="showq.8.html"><b>showq</b>(8)</a> queue displays. 56 1.1 tron 57 1.1 tron <b><a href="postconf.5.html#empty_address_recipient">empty_address_recipient</a> (MAILER-DAEMON)</b> 58 1.1.1.3 tron The recipient of mail addressed to the null address. 59 1.1 tron 60 1.1 tron <b><a href="postconf.5.html#ipc_timeout">ipc_timeout</a> (3600s)</b> 61 1.1.1.4 christos The time limit for sending or receiving information over an 62 1.1.1.3 tron internal communication channel. 63 1.1 tron 64 1.1 tron <b><a href="postconf.5.html#max_idle">max_idle</a> (100s)</b> 65 1.1.1.4 christos The maximum amount of time that an idle Postfix daemon process 66 1.1.1.3 tron waits for an incoming connection before terminating voluntarily. 67 1.1 tron 68 1.1 tron <b><a href="postconf.5.html#max_use">max_use</a> (100)</b> 69 1.1.1.3 tron The maximal number of incoming connections that a Postfix daemon 70 1.1.1.3 tron process will service before terminating voluntarily. 71 1.1 tron 72 1.1 tron <b><a href="postconf.5.html#process_id">process_id</a> (read-only)</b> 73 1.1.1.3 tron The process ID of a Postfix command or daemon process. 74 1.1 tron 75 1.1 tron <b><a href="postconf.5.html#process_name">process_name</a> (read-only)</b> 76 1.1.1.3 tron The process name of a Postfix command or daemon process. 77 1.1 tron 78 1.1 tron <b><a href="postconf.5.html#queue_directory">queue_directory</a> (see 'postconf -d' output)</b> 79 1.1.1.3 tron The location of the Postfix top-level queue directory. 80 1.1 tron 81 1.1 tron <b><a href="postconf.5.html#syslog_facility">syslog_facility</a> (mail)</b> 82 1.1 tron The syslog facility of Postfix logging. 83 1.1 tron 84 1.1 tron <b><a href="postconf.5.html#syslog_name">syslog_name</a> (see 'postconf -d' output)</b> 85 1.1.1.5 christos A prefix that is prepended to the process name in syslog 86 1.1.1.5 christos records, so that, for example, "smtpd" becomes "prefix/smtpd". 87 1.1 tron 88 1.1.1.2 tron Available in Postfix version 2.9 and later: 89 1.1.1.2 tron 90 1.1.1.2 tron <b><a href="postconf.5.html#enable_long_queue_ids">enable_long_queue_ids</a> (no)</b> 91 1.1.1.3 tron Enable long, non-repeating, queue IDs (queue file names). 92 1.1.1.2 tron 93 1.1.1.5 christos Available in Postfix 3.3 and later: 94 1.1.1.5 christos 95 1.1.1.5 christos <b><a href="postconf.5.html#service_name">service_name</a> (read-only)</b> 96 1.1.1.5 christos The <a href="master.5.html">master.cf</a> service name of a Postfix daemon process. 97 1.1.1.5 christos 98 1.1 tron <b>FILES</b> 99 1.1 tron /var/spool/postfix, queue directories 100 1.1 tron 101 1.1 tron <b>SEE ALSO</b> 102 1.1 tron <a href="pickup.8.html">pickup(8)</a>, local mail pickup service 103 1.1 tron <a href="cleanup.8.html">cleanup(8)</a>, canonicalize and enqueue mail 104 1.1 tron <a href="qmgr.8.html">qmgr(8)</a>, queue manager 105 1.1 tron <a href="postconf.5.html">postconf(5)</a>, configuration parameters 106 1.1 tron <a href="master.8.html">master(8)</a>, process manager 107 1.1.1.5 christos <a href="postlogd.8.html">postlogd(8)</a>, Postfix logging 108 1.1 tron syslogd(8), system logging 109 1.1 tron 110 1.1 tron <b>LICENSE</b> 111 1.1.1.3 tron The Secure Mailer license must be distributed with this software. 112 1.1 tron 113 1.1 tron <b>AUTHOR(S)</b> 114 1.1 tron Wietse Venema 115 1.1 tron IBM T.J. Watson Research 116 1.1 tron P.O. Box 704 117 1.1 tron Yorktown Heights, NY 10598, USA 118 1.1 tron 119 1.1.1.4 christos Wietse Venema 120 1.1.1.4 christos Google, Inc. 121 1.1.1.4 christos 111 8th Avenue 122 1.1.1.4 christos New York, NY 10011, USA 123 1.1.1.4 christos 124 1.1 tron SHOWQ(8) 125 1.1 tron </pre> </body> </html> 126
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