GNU Mailman

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GNU Mailman
Gnu mailman logo2010.png
Mailman files
Developer(s) Barry Warsaw
Initial release July 30, 1999; 16 years ago (1999-07-30)[1]
Stable release 3.0 / April 28, 2015; 4 months ago (2015-04-28)[2]
Preview release 3.0b4 / April 28, 2014; 16 months ago (2014-04-28)[3]
Development status Mature
Written in Mostly Python, some C
Operating system Unix-like
Available in Many languages
Type mailing list management (MLM) software
License GNU GPLv2 +

GNU Mailman is a computer software application from the GNU Project for managing electronic mailing lists.[4][5] Mailman is coded primarily in Python and currently maintained by Barry Warsaw. Mailman is free software, subject to the requirement of the GNU General Public License.[5]


A very early version of Mailman was written by John Viega while a graduate student, who then lost his copy of the source in a hard drive crash sometime around 1998.[6] Ken Manheimer at CNRI, who was looking for a replacement for Majordomo, then took over development. When Manheimer left CNRI, Barry Warsaw took over. Version 3 has been under development since 2009, with the fourth beta released in 2014.[3]

Web administration interface for GNU Mailman


Mailman runs on Linux and most Unix-like systems, and requires Python 2.1.3 or newer. It works with Unix style mail servers such as Postfix, Sendmail and qmail.

Features include:

  • A Web browser interface for list administration, archiving of messages, spam filtering.
  • A customizable home page for each mailing list.
  • Integrated bounce detection and automatic handling of bouncing addresses.
  • Integrated spam filters
  • Majordomo-style email based commands.
  • Multiple list owners and moderators.
  • Per-list privacy features, such as closed-subscriptions, private archives, private membership rosters, and sender-based posting rules.
  • Support for virtual domains.
  • Web based subscribing and unsubscribing. Users can temporarily disable their accounts, select email digest modes, hide their email addresses from other members, etc.
  • Mailing list archiver (Pipermail, the name is visible in the URLs[7]) inside the mailing list manager.

See also[edit]


  1. ^ Warsaw, Barry A. (30 July 1999). "Mailman 1.0". mailman-announce (Mailing list). Retrieved 2008-12-09. 
  2. ^ "". 2015-04-28. Retrieved 2015-04-28. 
  3. ^ a b "ANNOUNCE: The GNU Mailman 3 suite, beta 1 preview". Retrieved 2014-04-28. 
  4. ^ " Project details for GNU Mailman". Retrieved 2009-02-11. 
  5. ^ a b "Mailman, the GNU Mailing List Manager". Retrieved 2009-02-11. 
  6. ^ "MyMailmanRole — Myriadicity Dot". Retrieved 2009-02-11. 
  7. ^ "Internet Archive Wayback Machine". Retrieved 2013-12-25. 

Further reading[edit]


Other resources[edit]

External links[edit]