Mailman, the GNU Mailing List Manager

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. See the features page for details.

Mailman is free software, distributed under the GNU General Public License. Mailman is written in the Python programming language, with a little bit of C code for security.

Please donate to GNU Mailman project. (details)

See the Security page for important security related information, including critical patches and contact information for reporting suspected security vulnerabilities. Also see the Mailman Wiki for the latest information about stable and development versions.

Current Version

The current stable GNU Mailman version is 2.1.14, released on 20-Sep-2010.

Acknowledgements

Mailman's lead developer is Barry Warsaw who can be contacted barry at list dot org. Mark Sapiro and Tokio Kikuchi are also core Mailman developers.

Barry, Mark, and Terri Oda form the Mailman Steering Committee.

Thanks go out to:

Canonical for their current support and Zope Corporation for their past support of Barry's work while under their employ
The Mail-Archive.com for their donation kickstarting the directed GNU Mailman/Free Software Foundation donation fund
Best Western Hotel Erb for their support of Mailman development through our directed donation program.
AOE media - the TYPO3 company for their support for Mailman development through our directed donation program.
Atlassian for their donated hosting of the wiki
Control.com for their sponsorship of Mailman 2.1 features
TYPO3 CMS Agentur expeer.de for their support for Mailman development through our directed donation program.
Blumenversand for their support of Mailman development through our directed donation program.
the list of contributors, bug hunters, big idea people, and others who have helped immensely with Mailman's development