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Several communication channels are used in the Thunderbird project, including newsgroups, forums and mailing lists.

How to subscribe

Newsgroups are accessible through a newsgroup client (Thunderbird handles newsgroups). Mozilla newsgroups are also available as google groups, or as a mailing list - Forums list.

If you're a user


Support Forums

  • Get help from the community by visiting Thunderbird support. Volunteers read this forum and help as best as they can.
  • If English is not your preferred language, please check find unofficial support in the language you need in Support based on language.
  • Unofficial support newsgroup for Thunderbird. Not monitored by Thunderbird but maintained by volunteers. ("mst" newsgroup)
  • Help the community: Want to help support Thunderbird users? Then jump into SUMO and help a user!

Support Knowledge Bases and Manuals

  • Find articles in our official Thunderbird Knowledge Base, a volunteer-driven "knowledge base" where you can find quality articles about various Thunderbird topics.
  • MozillaZine: a community-maintained Knowledge Base with excellent articles about possibly more specific and/or technical topics.
  • See the Floss manual for Thunderbird

YOU can help by getting involved


  • Twitter You might want to follow these people: Standard8, lhirlimann, bwinton, rtanglao


If you're an organization

Please visit TB-enterprise to find information related to enterprises and organizations.

If you're interested in the project

You can contribute

  • tb-planning A low-volume, high signal-to-noise-ratio mailing-list that's devoted to high-level Thunderbird topics.
  • tb-support-crew helps the people who help the users - a mailing list on hot support links (e.g. support threads, websites and knowledge bases) and "meta" issues related to helping support Thunderbird users in SUMO, MozillaZine, GeckoZone and wherever else online folks are supporting Thunderbird users. Subscribe or unsubscribe at

Mozilla and Thunderbird projects blogs

If you want to know more about the product currently under development

  • Mozilla Wiki This includes various general information about the Thunderbird project.
  • [Thunderbird/StatusMeetings]] have meeting status reports about how various projects are moving.

If you're a tester / want to help

Ludovic Hirlimann (:Usul) is in charge of Thunderbird QA. You can read his blog or follow him on twitter.

If you're a developer

  • Bugzilla is where all the stuff happens. If you're interested in some feature or some development, don't hesitate to CC yourself to the bug if you're interested, and please do check out this hilarious video tutorial about how Bugzilla works, it's really worth it.
  • Just for kicks, see what the Thunderbird team is up to using bwinton's reviewer-dashboard.