Majordomo

Perl utility used in conjunction with the Majordomo mailing list manager to remove bounced addresses from mailing lists. One mistery of the Internet is why it is that any drooling moron can instantly subscribe to every mailing list he hears word of, but cant seem to manage to unsubscribe... Platforms: *nix

Mailman is software to help manage email discussion lists, much like Majordomo and Smartmail. Unlike most similar products, Mailman gives each mailing list a web page, and allows users to subscribe, unsubscribe, etc. over the web. Even the list manager can administer his or her list entirely... Platforms: *nix

Jnestor is a majordomo developed in java: it can reads an IMAP folder (email folder), identifies the elements in it and process certain elements (you can pick what elements by regular expressions). Although the software is still experimental, its main purpose is to connect mantis with an email... Platforms: Mac

Advanced Maillist Manager (AMM) is designed to process incoming messages that contain subscribe/unsubscribe/etc requests. A set of rules allows flexible adjustment of criteria for detection request messages. Using the template editor, you can change appearance of auto replies sent to users. Platforms: Windows

The Subscription Manager add-in is designed for automatic adding/deleting subscribers to/from MS Outlook 2000/XP mailing lists based on special emails from them with the commands in Subject field. SUM is capable of processing "subscribe", "unsubscribe", "confirm" and "help" requests; after... Platforms: Windows