mailcow
mailcow: A Dockerized Mail Server Suite for Secure and Scalable Email Hosting
Acerca de mailcow
mailcow is a comprehensive, Docker-based mail server suite designed for secure and scalable email hosting. It combines Postfix, Dovecot, SOGo, and Rspamd to deliver a robust solution with regular updates, security patches, and community-driven improvements. Ideal for administrators seeking a reliable, self-hosted email infrastructure.
Preguntas frecuentes
If you are using Docker Compose v5, you need to manually apply small fixes before running the update.sh script to prevent it from failing. The steps are: git fetch, git checkout origin/master, and then run update.sh.
The March 2026 update addressed several security-related issues. It is strongly recommended to update to this version for security reasons.
The September 2025 update included MTA-STS support, SOGo 5.12.3, Rspamd 3.12.1, and various other improvements and bug fixes. It also included updates to Nginx, web settings, and translations.
A guide is available that provides steps for performing a smooth dist-upgrade from Debian 12 (Bookworm) to Debian 13 (Trixie) on systems running mailcow. The guide highlights common pitfalls, including issues with Exim.
DerLinkman announced his departure from The Infrastructure Company GmbH and the mailcow team, effective May 1st, 2026. He expressed gratitude for the formative years spent developing and stabilizing mailcow.
The May 2025 update included improvements to identity providers along with various bug fixes. Specific details about the identity provider improvements are not provided in the text.
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