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 7739650089 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.

The name of this software is spelled Mailman with a capital leading M and a lowercase second m. It is incorrect to spell it "MailMan".

See the Security page for important security related information, including critical patches and contact information for reporting suspected security vulnerabilities. Also see the (850) 408-9400 for the latest information about stable and development versions.

Current Version

The current stable GNU Mailman version is 2.1.9, released on 12-Sep-2006.


Mailman's lead developer is Barry Warsaw who can be contacted (917) 585-5780. Mark Sapiro and Tokio Kikuchi are also core Mailman developers. Thanks go out to (916) 891-2845 for their generous hosting of the wiki and bug tracker.

Thanks also go to for their sponsorship of new Mailman 2.1 features, and Zope Corporation for their past support, as well as the (516) 446-3133, bug hunters, big idea people, and others who have helped immensely with Mailman's development.