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Release 2025-12a is here:

GitHub

Release 🎄🐮 Moocember 2025 | Just another bugfix update - Revision A · mailcow/mailcow-dockerized

ImportantIf you already use docker compose v5, please run these commands once to fetch the update script which would break otherwise while trying t...

It contains some smaller fixes brought with 2025-12 (e.g. improved backup script handling regarding docker image pulls) and some more.

Update 2025-12 is here, just another bugfix update. Before you update, please make sure to read the important message in the release tab first.

GitHub

Release 🎄🐮 Moocember 2025 | Just another bugfix update · mailcow/mailcow-dockerized

ImportantIf you already use docker compose v5, please run these commands once to fetch the update script which would break otherwise while trying t...

⚠️ Heads-up for mailcow admins: OS upgrades may install Docker Compose 5.x, which mailcow can run with, but the update script won’t work unless refreshed once. Fix: Check your Compose version. If it shows 5.x, you’re affected. In your mailcow directory: git fetch Then: git checkout origin/master update.sh Without this tasks , you can’t update mailcow unless you downgrade Compose to v2 which is harder than running these steps :) If you still use compose v2 your good to go, simply run an update

Moohoo! Update 2025-10 has just been released:

mailcow: dockerized - Blog

🎃🐄 Mooctober 2025 Update | Rspamd 3.13.2 and Redis Security Update

2025-10a (Release: 24th October 2025) Moohoo again!

This update addresses the critical CVE-2025-49844 affecting Redis. While the exploit was not exposed in mailcow environments, updating is still strongly recommended.

Release 2025-09b is here. This update fixes startup issues with the NGINX container when IPv6 is disabled.

GitHub

Release 🍂🐄 Mootember Update 2025 - Revision B · mailcow/mailcow-dockerized

What's Changed scripts: ipv6_controller improvement + fix modules handling by @DerLinkman in #6722 [SOGo] Drop deprecated sogo_update_password sq...

Update 2025-09 is here:

GitHub

Release 🍂🐄 Mootember Update 2025 | MTA-STS Support, SOGo 5.12.3, Rspamd 3.12.1, and More · mailcow/mailcow-dockerized

Cautionmailcow now requires jq to be installed on the host system in order to operate with the redesigned IPv6 controller. If it's missing, please ...

Please read the changelog carefully before upgrading!