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The mailserver suite with the 'moo' โ€“ ๐Ÿฎ + ๐Ÿ‹ = ๐Ÿ’•

News and Infos

๐Ÿ‘‹ DerLinkman Leaves the Mailcow Team

DerLinkman published on  included in News

Moohoo everyone.

Today I want to officially announce my departure from The Infrastructure Company GmbH and thus from the mailcow team as well. Effective May 1st, 2026, I will no longer be part of the team.

The past years have been a formative time for me both professionally and personally. Together with the community, contributors, and users, we were able to continuously develop and stabilize mailcow into the solution it is today. The countless deployments, discussions, issues, pull requests, and critical feedback have made the project even stronger.

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2026NewsCommunity

๐ŸŽ„๐Ÿฎ Moocember 2025 | Just Another Bugfix Update - Revision A

The Infrastructure Company GmbH published on  included in Updates
Warning

If you are using Docker Compose v5, please make sure that you first apply these small fixes in order to prevent the update.sh script from failing:

1
2

git fetch
git checkout origin/master update.sh

Without this, the update script will tell you, that your docker compose version is unsupported, even if you are using v5.

This is due to a small typo in the version check that has been fixed but may need to be applied manually if you are on Docker Compose v5 already.

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2025UpdateChangelog

๐Ÿ‚๐Ÿ„ Mootember Update 2025 | MTA-STS Support, SOGo 5.12.3, Rspamd 3.12.1, and More - Revision A

The Infrastructure Company GmbH published on  included in Updates

2025-09c (Revision C Release from 7th October 2025)

Changes

  • [SOGo][Web] SOGo URL Encryption support โžก๏ธ PR #6758
  • [Nginx] do not invert ENABLE_IPV6 โžก๏ธ PR #6762
  • [Web] Remove Port from HTTP_HOST โžก๏ธ PR #6760
  • [Web] Allow wildcard subdomains for MTA-STS โžก๏ธ PR #6759
  • [Web] set cookie SameSite attribute to Lax โžก๏ธ PR #6766
  • [Web] Rename PHP Cookie to MCSESSID โžก๏ธ PR #6767
  • Update GitHub’s issue template โžก๏ธ PR #6772
  • Clearer message to install required tool, e.g. jq โžก๏ธ PR #6764
  • Make domain description field readonly when no ACL โžก๏ธ PR #6789
  • Show “Never” by default if no last-modified date saved โžก๏ธ PR #6788
  • Hide relayhosts when ACL does not allow โžก๏ธ PR #6787
  • Fix several SQL statements โžก๏ธ PR #6786
  • Fixed wrong footer escaping for certain characters โžก๏ธ PR #6782
  • Rename password fields for AppPasswords same way for consistency โžก๏ธ PR #6781
  • Fixed password complexity check for AppPasswords creation/edit โžก๏ธ PR #6780
  • Remove debug console.log calls โžก๏ธ PR #6779
  • Enable HTTPS redirect by default on new setups โžก๏ธ PR #6777
  • [Helpers] Fix cold-standby digits in compose project names and inclusion of docker-compose.override.yml โžก๏ธ PR #6800
  • Fix enabling of ipv6 when updating โžก๏ธ PR #6791
  • Update variable name for prometheus-exporter security token โžก๏ธ PR #6776
  • Fixed typo in lang de-de โžก๏ธ PR #6765
  • Fix typos in config by โžก๏ธ PR #6792
  • chore(deps): update actions/stale action to v10.1.0 โžก๏ธ PR #6806
  • [Postfix] update postscreen_access.cidr โžก๏ธ PR #6801
  • Translations update from Weblate โžก๏ธ PR #6771
  • Translations update from Weblate โžก๏ธ PR #6794
  • Translations update from Weblate โžก๏ธ PR #6785
  • Translations update from Weblate โžก๏ธ PR #6790
  • Translations update from Weblate โžก๏ธ PR #6793
  • Translations update from Weblate โžก๏ธ PR #6743
  • Translations update from Weblate โžก๏ธ PR #6749

Full Changelog

https://github.com/mailcow/mailcow-dockerized/compare/2025-09b...2025-09c

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2025UpdateChangelog

๐Ÿ’ฎ๐Ÿฎ Moorch 2025 Update | the Update Which Changed the Cow

The Infrastructure Company GmbH published on  included in Updates

2025-03b (Release: 7th April 2025)

Changelog

Full Changelog

https://github.com/mailcow/mailcow-dockerized/compare/2025-03a...2025-03b

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2025UpdateChangelogMajor
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