Starting with Update 2025-08: Configure MTA-STS directly in the mailcow UI. The required DNS records will be shown in the DNS checker tool too. #mailcow #teaser
Today we happy to confirm that mailcow is completely usable with Debian 13 ๐๐
However, during upgrade you may stumble accross some pitfall: Exim.
For this, we wrote a guide:
You want to host mailcow on your own but do not know how? And you want to see the whole installation process prior before getting started? Then checkout the video from our community member Webnestify:
Many thanks for the video! Highly recommended.
Though Debian 13 is mentioned to be released next week (August 9th (TBA)) we highly advise you to wait until upgrading your OS when running mailcow on it. Although we do not expect issues, please wait until official confirmation (following the week after the release).