diff options
Diffstat (limited to '')
| -rw-r--r-- | html/postsuper.1.html | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/html/postsuper.1.html b/html/postsuper.1.html new file mode 100644 index 0000000..47b98f3 --- /dev/null +++ b/html/postsuper.1.html @@ -0,0 +1,317 @@ +<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN" + "http://www.w3.org/TR/html4/loose.dtd"> +<html> <head> +<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> +<title> Postfix manual - postsuper(1) </title> +</head> <body> <pre> +POSTSUPER(1) POSTSUPER(1) + +<b>NAME</b> + postsuper - Postfix superintendent + +<b>SYNOPSIS</b> + <b>postsuper</b> [<b>-psSv</b>] + [<b>-c</b> <i>config</i><b>_</b><i>dir</i>] [<b>-d</b> <i>queue</i><b>_</b><i>id</i>] + [<b>-e</b> <i>queue</i><b>_</b><i>id</i>] [<b>-f</b> <i>queue</i><b>_</b><i>id</i>] + [<b>-h</b> <i>queue</i><b>_</b><i>id</i>] [<b>-H</b> <i>queue</i><b>_</b><i>id</i>] + [<b>-r</b> <i>queue</i><b>_</b><i>id</i>] [<i>directory ...</i>] + +<b>DESCRIPTION</b> + The <a href="postsuper.1.html"><b>postsuper</b>(1)</a> command does maintenance jobs on the Postfix queue. + Use of the command is restricted to the superuser. See the + <a href="postqueue.1.html"><b>postqueue</b>(1)</a> command for unprivileged queue operations such as listing + or flushing the mail queue. + + By default, <a href="postsuper.1.html"><b>postsuper</b>(1)</a> performs the operations requested with the <b>-s</b> + and <b>-p</b> command-line options on all Postfix queue directories - this + includes the <b>incoming</b>, <b>active</b>, <b>deferred</b>, and <b>hold</b> directories with mes- + sage files and the <b>bounce</b>, <b>defer</b>, <b>trace</b> and <b>flush</b> directories with log + files. + + Options: + + <b>-c</b> <i>config</i><b>_</b><i>dir</i> + The <a href="postconf.5.html"><b>main.cf</b></a> configuration file is in the named directory instead + of the default configuration directory. See also the MAIL_CONFIG + environment setting below. + + <b>-d</b> <i>queue</i><b>_</b><i>id</i> + Delete one message with the named queue ID from the named mail + queue(s) (default: <b>hold</b>, <b>incoming</b>, <b>active</b> and <b>deferred</b>). + + To delete multiple files, specify the <b>-d</b> option multiple times, + or specify a <i>queue</i><b>_</b><i>id</i> of <b>-</b> to read queue IDs from standard + input. For example, to delete all mail with exactly one recipi- + ent <b>user@example.com</b>: + + postqueue -j | jq -r ' + # See JSON OBJECT FORMAT section in the <a href="postqueue.1.html">postqueue(1)</a> manpage + select(.recipients[0].address == "user@example.com") + | select(.recipients[1].address == null) + | .queue_id + ' | postsuper -d - + + (note the "jq -r" option), or the historical form: + + mailq | tail -n +2 | grep -v '^ *(' | awk 'BEGIN { RS = "" } + # $7=sender, $8=recipient1, $9=recipient2 + { if ($8 == "user@example.com" && $9 == "") + print $1 } + ' | tr -d '*!' | postsuper -d - + + Specify "<b>-d ALL</b>" to remove all messages; for example, specify + "<b>-d ALL deferred</b>" to delete all mail in the <b>deferred</b> queue. As + a safety measure, the word <b>ALL</b> must be specified in upper case. + + Warning: Postfix queue IDs are reused (always with Postfix <= + 2.8; and with Postfix >= 2.9 when <a href="postconf.5.html#enable_long_queue_ids">enable_long_queue_ids</a>=no). + There is a very small possibility that postsuper deletes the + wrong message file when it is executed while the Postfix mail + system is delivering mail. + + The scenario is as follows: + + 1) The Postfix queue manager deletes the message that <a href="postsuper.1.html"><b>post-</b></a> + <a href="postsuper.1.html"><b>super</b>(1)</a> is asked to delete, because Postfix is finished + with the message (it is delivered, or it is returned to + the sender). + + 2) New mail arrives, and the new message is given the same + queue ID as the message that <a href="postsuper.1.html"><b>postsuper</b>(1)</a> is supposed to + delete. The probability for reusing a deleted queue ID + is about 1 in 2**15 (the number of different microsecond + values that the system clock can distinguish within a + second). + + 3) <a href="postsuper.1.html"><b>postsuper</b>(1)</a> deletes the new message, instead of the old + message that it should have deleted. + + <b>-e</b> <i>queue</i><b>_</b><i>id</i> + + <b>-f</b> <i>queue</i><b>_</b><i>id</i> + Request forced expiration for one message with the named queue + ID in the named mail queue(s) (default: <b>hold</b>, <b>incoming</b>, <b>active</b> + and <b>deferred</b>). + + <b>o</b> The message will be returned to the sender when the queue + manager attempts to deliver that message (note that Post- + fix will never deliver messages in the <b>hold</b> queue). + + <b>o</b> The <b>-e</b> and <b>-f</b> options both request forced expiration. The + difference is that <b>-f</b> will also release a message if it + is in the <b>hold</b> queue. With <b>-e</b>, such a message would not + be returned to the sender until it is released with <b>-f</b> or + <b>-H</b>. + + <b>o</b> When a deferred message is force-expired, the return mes- + sage will state the reason for the delay. Otherwise, the + reason will be "message is administratively expired". + + To expire multiple files, specify the <b>-e</b> or <b>-f</b> option multiple + times, or specify a <i>queue</i><b>_</b><i>id</i> of <b>-</b> to read queue IDs from stan- + dard input (see the <b>-d</b> option above for an example, but be sure + to replace <b>-d</b> in the example). + + Specify "<b>-e ALL</b>" or "<b>-f ALL</b>" to expire all messages; for exam- + ple, specify "<b>-e ALL deferred</b>" to expire all mail in the + <b>deferred</b> queue. As a safety measure, the word <b>ALL</b> must be spec- + ified in upper case. + + These features are available in Postfix 3.5 and later. + + <b>-h</b> <i>queue</i><b>_</b><i>id</i> + Put mail "on hold" so that no attempt is made to deliver it. + Move one message with the named queue ID from the named mail + queue(s) (default: <b>incoming</b>, <b>active</b> and <b>deferred</b>) to the <b>hold</b> + queue. + + To hold multiple files, specify the <b>-h</b> option multiple times, or + specify a <i>queue</i><b>_</b><i>id</i> of <b>-</b> to read queue IDs from standard input. + + Specify "<b>-h ALL</b>" to hold all messages; for example, specify "<b>-h</b> + <b>ALL deferred</b>" to hold all mail in the <b>deferred</b> queue. As a + safety measure, the word <b>ALL</b> must be specified in upper case. + + Note: while mail is "on hold" it will not expire when its time + in the queue exceeds the <b><a href="postconf.5.html#maximal_queue_lifetime">maximal_queue_lifetime</a></b> or + <b><a href="postconf.5.html#bounce_queue_lifetime">bounce_queue_lifetime</a></b> setting. It becomes subject to expiration + after it is released from "hold". + + This feature is available in Postfix 2.0 and later. + + <b>-H</b> <i>queue</i><b>_</b><i>id</i> + Release mail that was put "on hold". Move one message with the + named queue ID from the named mail queue(s) (default: <b>hold</b>) to + the <b>deferred</b> queue. + + To release multiple files, specify the <b>-H</b> option multiple times, + or specify a <i>queue</i><b>_</b><i>id</i> of <b>-</b> to read queue IDs from standard + input. + + Note: specify "<b>postsuper -r</b>" to release mail that was kept on + hold for a significant fraction of <b>$<a href="postconf.5.html#maximal_queue_lifetime">maximal_queue_lifetime</a></b> or + <b>$<a href="postconf.5.html#bounce_queue_lifetime">bounce_queue_lifetime</a></b>, or longer. + + Specify "<b>-H ALL</b>" to release all mail that is "on hold". As a + safety measure, the word <b>ALL</b> must be specified in upper case. + + This feature is available in Postfix 2.0 and later. + + <b>-p</b> Purge old temporary files that are left over after system or + software crashes. The <b>-p</b>, <b>-s</b>, and <b>-S</b> operations are done before + other operations. + + <b>-r</b> <i>queue</i><b>_</b><i>id</i> + Requeue the message with the named queue ID from the named mail + queue(s) (default: <b>hold</b>, <b>incoming</b>, <b>active</b> and <b>deferred</b>). + + To requeue multiple files, specify the <b>-r</b> option multiple times, + or specify a <i>queue</i><b>_</b><i>id</i> of <b>-</b> to read queue IDs from standard + input. + + Specify "<b>-r ALL</b>" to requeue all messages. As a safety measure, + the word <b>ALL</b> must be specified in upper case. + + A requeued message is moved to the <b>maildrop</b> queue, from where it + is copied by the <a href="pickup.8.html"><b>pickup</b>(8)</a> and <a href="cleanup.8.html"><b>cleanup</b>(8)</a> daemons to a new queue + file. In many respects its handling differs from that of a new + local submission. + + <b>o</b> The message is not subjected to the <a href="postconf.5.html#smtpd_milters">smtpd_milters</a> or + <a href="postconf.5.html#non_smtpd_milters">non_smtpd_milters</a> settings. When mail has passed through + an external content filter, this would produce incorrect + results with Milter applications that depend on original + SMTP connection state information. + + <b>o</b> The message is subjected again to mail address rewriting + and substitution. This is useful when rewriting rules or + virtual mappings have changed. + + The address rewriting context (local or remote) is the + same as when the message was received. + + <b>o</b> The message is subjected to the same <a href="postconf.5.html#content_filter">content_filter</a> set- + tings (if any) as used for new local mail submissions. + This is useful when <a href="postconf.5.html#content_filter">content_filter</a> settings have changed. + + Warning: Postfix queue IDs are reused (always with Postfix <= + 2.8; and with Postfix >= 2.9 when <a href="postconf.5.html#enable_long_queue_ids">enable_long_queue_ids</a>=no). + There is a very small possibility that <a href="postsuper.1.html"><b>postsuper</b>(1)</a> requeues the + wrong message file when it is executed while the Postfix mail + system is running, but no harm should be done. + + This feature is available in Postfix 1.1 and later. + + <b>-s</b> Structure check and structure repair. This should be done once + before Postfix startup. The <b>-p</b>, <b>-s</b>, and <b>-S</b> operations are done + before other operations. + + <b>o</b> Rename files whose name does not match the message file + inode number. This operation is necessary after restoring + a mail queue from a different machine or from backup, + when queue files were created with Postfix <= 2.8 or with + "<a href="postconf.5.html#enable_long_queue_ids">enable_long_queue_ids</a> = no". + + <b>o</b> Move queue files that are in the wrong place in the file + system hierarchy and remove subdirectories that are no + longer needed. File position rearrangements are neces- + sary after a change in the <b><a href="postconf.5.html#hash_queue_names">hash_queue_names</a></b> and/or + <b><a href="postconf.5.html#hash_queue_depth">hash_queue_depth</a></b> configuration parameters. + + <b>o</b> Rename queue files created with "<a href="postconf.5.html#enable_long_queue_ids">enable_long_queue_ids</a> = + yes" to short names, for migration to Postfix <= 2.8. + The procedure is as follows: + + # postfix stop + # postconf <a href="postconf.5.html#enable_long_queue_ids">enable_long_queue_ids</a>=no + # postsuper + + Run <a href="postsuper.1.html"><b>postsuper</b>(1)</a> repeatedly until it stops reporting file + name changes. + + <b>-S</b> A redundant version of <b>-s</b> that requires that long file names + also match the message file inode number. This option exists for + testing purposes, and is available with Postfix 2.9 and later. + The <b>-p</b>, <b>-s</b>, and <b>-S</b> operations are done before other operations. + + <b>-v</b> Enable verbose logging for debugging purposes. Multiple <b>-v</b> + options make the software increasingly verbose. + +<b>DIAGNOSTICS</b> + Problems are reported to the standard error stream and to <b>syslogd</b>(8) or + <a href="postlogd.8.html"><b>postlogd</b>(8)</a>. + + <a href="postsuper.1.html"><b>postsuper</b>(1)</a> reports the number of messages deleted with <b>-d</b>, the number + of messages expired with <b>-e</b>, the number of messages expired or released + with <b>-f</b>, the number of messages held or released with <b>-h</b> or <b>-H</b>, the + number of messages requeued with <b>-r</b>, and the number of messages whose + queue file name was fixed with <b>-s</b>. The report is written to the stan- + dard error stream and to <b>syslogd</b>(8) or <a href="postlogd.8.html"><b>postlogd</b>(8)</a>. + +<b>ENVIRONMENT</b> + MAIL_CONFIG + Directory with the <a href="postconf.5.html"><b>main.cf</b></a> file. + +<b>BUGS</b> + Mail that is not sanitized by Postfix (i.e. mail in the <b>maildrop</b> queue) + cannot be placed "on hold". + +<b>CONFIGURATION PARAMETERS</b> + The following <a href="postconf.5.html"><b>main.cf</b></a> parameters are especially relevant to this pro- + gram. The text below provides only a parameter summary. See <a href="postconf.5.html"><b>post-</b></a> + <a href="postconf.5.html"><b>conf</b>(5)</a> for more details including examples. + + <b><a href="postconf.5.html#config_directory">config_directory</a> (see 'postconf -d' output)</b> + The default location of the Postfix <a href="postconf.5.html">main.cf</a> and <a href="master.5.html">master.cf</a> con- + figuration files. + + <b><a href="postconf.5.html#hash_queue_depth">hash_queue_depth</a> (1)</b> + The number of subdirectory levels for queue directories listed + with the <a href="postconf.5.html#hash_queue_names">hash_queue_names</a> parameter. + + <b><a href="postconf.5.html#hash_queue_names">hash_queue_names</a> (deferred, defer)</b> + The names of queue directories that are split across multiple + subdirectory levels. + + <b><a href="postconf.5.html#import_environment">import_environment</a> (see 'postconf -d' output)</b> + The list of environment parameters that a privileged Postfix + process will import from a non-Postfix parent process, or + name=value environment overrides. + + <b><a href="postconf.5.html#queue_directory">queue_directory</a> (see 'postconf -d' output)</b> + The location of the Postfix top-level queue directory. + + <b><a href="postconf.5.html#syslog_facility">syslog_facility</a> (mail)</b> + The syslog facility of Postfix logging. + + <b><a href="postconf.5.html#syslog_name">syslog_name</a> (see 'postconf -d' output)</b> + A prefix that is prepended to the process name in syslog + records, so that, for example, "smtpd" becomes "prefix/smtpd". + + Available in Postfix version 2.9 and later: + + <b><a href="postconf.5.html#enable_long_queue_ids">enable_long_queue_ids</a> (no)</b> + Enable long, non-repeating, queue IDs (queue file names). + +<b>SEE ALSO</b> + <a href="sendmail.1.html">sendmail(1)</a>, Sendmail-compatible user interface + <a href="postqueue.1.html">postqueue(1)</a>, unprivileged queue operations + <a href="postlogd.8.html">postlogd(8)</a>, Postfix logging + syslogd(8), system logging + +<b>LICENSE</b> + The Secure Mailer license must be distributed with this software. + +<b>AUTHOR(S)</b> + 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 + + POSTSUPER(1) +</pre> </body> </html> |