I'm looking for solution for a specific problem: I want to setup a good and secure mail server but I need ipv4 + ipv6, some kind of autouser mapping (if I add new user to machine, system should automatically create a mailbox for added user with the same credentials which user uses for ssh) and ability to create custom mailbox (maybe stored in MySQL somehow) without having to add user do machine ([email protected]). Also ability to use clients like Thunderbird via POP and SMTP (optionally additionally IMAP) is crucial.

Any suggestions which approach/system should I use? Links are more than welcome. Much appreciated.

1 Answer 1


Exim4 meets all your SMTP requirements out of the box. Dovecot will give you both POP and IMAP. For IMAP, I would use Maildir format for the mailboxes.

Sendmail and Postfix should be able to replace Exim4. There are also alternative to Dovecot which do the same.


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