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Flush the Postfix queue and retry delivery now

cautionMaildebian, ubuntu

Caution: This command changes the system. Understand what it does before you run it.

user@server
postqueue -f

Tries to deliver all deferred messages immediately. Useful after a delivery problem has been fixed, such as a DNS error or a blacklist block. Check the result afterwards with postqueue -p or the mail log.

Note: If the queue contains spam, it gets sent again as well. Check the senders first.

Also searched as

  • process mail queue now
  • send stuck emails now
  • postfix flush queue

Related one-liners

All in Mail

Show the Postfix mail queue

$postqueue -p
harmlessMail

Delete a single message from the Postfix queue

#postsuper -d 4F2A31C0E12
destructiveMail

Delete all deferred mail from the Postfix queue

#postsuper -d ALL deferred
destructiveMail

Find the top senders in the Postfix queue

$postqueue -p | awk '/^[0-9A-Za-z]/ {print $7}' | sort | uniq -c | sort -rn | head -20
harmlessMail

View the content of a message in the Postfix queue

#postcat -q 4F2A31C0E12
harmlessMail

Delete all mail from one sender in the Postfix queue

#postqueue -p | awk -v s="info@example.com" '/^[0-9A-Za-z]/ && $7 == s {print $1}' | tr -d '*!' | postsuper -d -
destructiveMail

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