This article mainly describes the postfix common command and mail queue management:<\/p>\n
Postfix has the following four message queues, are managed by the management of the process of unified management:<\/p>\n
maildrop: local mail placed in maildrop, but also copied to incoming.
\nincoming: Places messages that are arriving at the queue or managing the process that have not yet been discovered.
\nactive: places the queue management process has been opened and is ready to deliver the message, the queue has a length limit.
\ndeferred: Place messages that can not be delivered. May be delayed sending mail
\nStart postfix<\/p>\n
\/usr\/sbin\/postfix start
\nStop postfix<\/p>\n
\/usr\/sbin\/postfix stop
\nCheck the postfix configuration file<\/p>\n
\/usr\/sbin\/postfix check
\nDisplays the configuration information that Postfix currently takes effect<\/p>\n
postconf -n
\nRe-read the postfix configuration file<\/p>\n
\/ usr \/ sbin \/ postfix reload
\nView messages in the queue:<\/p>\n
mailq
\npostqueue -p
\nView the queue size<\/p>\n
mailq | wc – l
\npostqueue -p | wc -l
\nView the contents of the message<\/p>\n
postcat -q Queue_ID
\nForce the sending of messages in the queue<\/p>\n
\/ usr \/ sbin \/ postfix flush
\npostqueue -f
\nSuspended sending messages in the queue<\/p>\n
postsuper – h Queue_ID
\npostsuper- h ALL deferred
\nUnblock sent messages<\/p>\n
postsuper – H Queue_ID
\npostsuper -H ALL deferred
\nRejoining the queue:<\/p>\n
postsuper – r Queue_ID
\npostsuper -r ALL
\nDelete the specified message<\/p>\n
postsuper -d Queue_ID
\nEmpty the messages in the queue<\/p>\n
postsuper -d ALL
\n# Delete the message in the queue (in the deferred list of messages, delete the mail file directly, you can see which letters were deleted):<\/p>\n
postsuper – d ALL deferred
\n find \/ var \/ spool \/ postfix \/ deferred -type f -exec rm – vf {} \\;
\n# find \/ var \/ spool \/ postfix \/ defer -type f -exec rm -vf {} \\;
\nList all problem mail (currently all messages that can not be sent)<\/p>\n
find \/ var \/ spool \/ postfix \/ deferred -type f -exec ls -l – time -style = +% Y-% m-% d_% H:% M:% S {} \\;
\nDelete messages that have not been sent for 3 days<\/p>\n
find \/ var \/ spool \/ postfix \/ deferred -type f -mtime + 3 -exec rm -f {} \\;
\nDelete bounce records for more than 5 days of mail (more than 5 days in the “defer” list)<\/p>\n
find \/var\/spool\/postfix\/defer -type f -mtime + 5 -exec rm -f {} \\;<\/p>\n
# Here are some related logs<\/p>\n
View the system log:<\/p>\n
tail -f \/ var \/ log \/ messages
\nCheck the e-mail log: basically very comprehensive, almost all of the mail problems encountered can be handled by the log<\/p>\n
tail -f \/ var \/ log \/ maillog
\nmaildrop related<\/p>\n
tail -f \/var\/log\/maildrop.log
\nclamd related<\/p>\n
tail -f \/ var \/ log \/ clamav \/ clamd.log
\n tail -f \/var\/log\/clamav\/freshclam.log<\/p>\n","protected":false},"excerpt":{"rendered":"
This article mainly describes the postfix common command and mail queue management:<\/p>\n
Postfix has the following four message queues, are managed by the management of the process of unified management:<\/p>\n
maildrop: local mail placed in maildrop, but also copied to incoming. incoming: Places messages that are arriving at the queue or managing the process that […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[],"_links":{"self":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/7045"}],"collection":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7045"}],"version-history":[{"count":2,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/7045\/revisions"}],"predecessor-version":[{"id":7047,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/7045\/revisions\/7047"}],"wp:attachment":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7045"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7045"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7045"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}