Mailman
From DWIKI
A rather archaic but effective mailinglist manager.
Links
Notes
Postfix and mailman
Achtung
It seems using reject_unverified_recipient in postfix configuration is a very bad idea, possibly even related to the horrible "Connection unexpectedly closed: [Errno 104]" messsages in smtp-failure log, but this might also be related to SMTP_MAX_RCPTS in mm_cfg.py, keep this < 20 anyway
