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Mailman

Mailman is an open source mailing list manager for email discussion groups and newsletters.

About Mailman

Mailman is software that helps you run email mailing lists. It handles subscriber management, message moderation, archiving, and bounce processing so you can focus on content. You install it on a server and it works with your existing email infrastructure using SMTP and LMTP.

Mailman 3 (the current major version) is written in Python with a REST API and supports PostgreSQL, MySQL, and SQLite. It integrates with web frameworks like Django for its admin interface and offers a modern user dashboard. The project hosts its code on GitLab and is governed by the GNU project.

This tool is best for organizations, communities, or anyone managing a mailing list without relying on a third party service. Mailman is free software under the GNU GPL and runs on Linux and Unix systems. It has been around since 1998 and powers many large open source communities.
Email Servers

Quick Facts

Pricing
Free
License
Open Source
Platform
Linux
Version
3.3.9
Developer
GNU Project