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mailcow-dockerized

2026-11
mailcow/mailcow-dockerized

mailcow: dockerized - ๐Ÿฎ + ๐Ÿ‹ = ๐Ÿ’•

Version of mailcow/mailcow-dockerized you run

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Install

git clone https://github.com/mailcow/mailcow-dockerized.git

mailcow: dockerized - ๐Ÿฎ + ๐Ÿ‹ = ๐Ÿ’•

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Want to support mailcow?

Please consider a support contract with Servercow to support further development. We support you while you support us. :)

You can also get a SAL which is a one-time payment with no liabilities or returning fees.

Or just spread the word: moo.

Many thanks to our GitHub Sponsors โค๏ธ

A big thank you to everyone supporting us on GitHub Sponsorsโ€”your contributions mean the world to us! Special thanks to the following amazing supporters:

100$/Month Sponsors

50$/Month Sponsors

Info, documentation and support

Please see the official documentation for installation and support instructions. ๐Ÿ„

๐Ÿ› If you found a critical security issue, please mail us to info at servercow.de.

Cowmunity

mailcow community

Telegram mailcow channel

Telegram mailcow Off-Topic channel

Official ๐• (Twitter) Account

Official Mastodon Account

Telegram desktop clients are available for multiple platforms. You can search the groups history for keywords.

Misc

Important: mailcow makes use of various open-source software. Please assure you agree with their license before using mailcow. Any part of mailcow itself is released under GNU General Public License, Version 3.

mailcow is a registered word mark of The Infrastructure Company GmbH, Parkstr. 42, 47877 Willich, Germany.

The project is managed and maintained by The Infrastructure Company GmbH.

Originated from @andryyy (Andrรฉ)

Latest releases

See release history
  • 2026-11securityFailed ActiveSync/DAV/autodiscover logins are never banned (counted as 127.0.0.1), and passwordless autodiscover reveals which mailboxes existNov 5, 2026
  • 2026-10minor๐ŸŽƒ๐Ÿฎ Mooctober 2026 | Security Update: PHP 8.2.35, SOGo 5.12.12 & Nginx 1.30.6Oct 21, 2026
  • 2026-09aminor๐Ÿ‚๐Ÿฎ Mootember 2026 | Unbound 1.26.1, SOGo 5.12.11 & Redis 7.4.11 - Revision AOct 6, 2026
  • 2026-09minor๐Ÿ‚๐Ÿฎ Mootember 2026 | Unbound 1.26.1, SOGo 5.12.11 & Redis 7.4.11Sep 21, 2026
  • 2026-07bsecurity๐Ÿ–๏ธ๐Ÿฎ Mooly 2026 | Postfix 3.10.12, Rspamd 4.1.0 & Nginx 1.30.3 - Revision BAug 18, 2026