Mailman, the GNU Mailing List Manager

Minimal Artica version:1.6.081613
Mailman is free software for managing electronic mail discussion and e-newsletter lists.
Mailman is integrated with the web, making it easy for users to manage their accounts and for list owners to administer their lists.
Mailman supports built-in archiving, automatic bounce processing, content filtering, digest delivery, spam filters, and more.