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qpsmtpd is a flexible smtpd daemon written in Perl. Apart from the core SMTP features, all functionality is implemented in small "extension plugins" using the easy to use object oriented plugin API.

qpsmtpd was originally written as a drop-in qmail-smtpd replacement, but now it also includes smtp forward, postfix, exim and maildir "backends".

Articles and Documentation

(Also: Wikipedia, Ohloh)



MTA compatibility


Your Idea Here

If you have just been occasionally dabbling in Perl you should be all set for writing a plugin. You can consult the mailing list to hear if someone else already implemented your idea or something similar.

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