flush deferred messages in mail queue
In Exim: # exim -qff In Postfix: # postfix flush In Sendmail: # sendmail -q -v
move IMAP messages from one server to another
Use larch to migrate the data stored in a user's IMAP account. To install it on Debian/Ubuntu: # apt-get install larch When executing larch, it will prompt the source and…
postfix: analyse logs using pflogsumm
pflogsumm is a great tool to quickly analyse Postfix log files. To install it: // Debian based distros # apt get install pflogsumm You can also it directly from the…