Mailman Features

• Web based list administration for nearly all tasks, including list configuration, moderation (post approvals), management of user accounts.
• Web based subscribing and unsubscribing, and user configuration management. Users can temporarily disable their accounts, select digest modes, hide their email addresses from other members, etc.
• A customizable home page for each mailing list.
• Per-list privacy features, such as closed-subscriptions, private archives, private membership rosters, etc.
• Configurable (per-list and per-user) delivery mode
  • Regular (immediate) delivery
  • MIME digest
  • Plain (RFC 934) digests
• Integrated bounce detection within an extensible framework. Automatic disposition of bouncing addresses (disable, unsubscribe).
• Integrated spam filters.
• Automatic web-based Hypermail-style archiving, with hooks for external archivers such as MHonArc.
• Integrated Usenet gatewaying.
• Integrated auto-replies.
• Majordomo-style email based commands.
• Multiple list owners and moderators are possible.
• Support for virtual domains.
• An extensible mail delivery pipeline.