mailcow: dockerized
Open-source groupware and email suite; self-hosted with Docker
Checked 11 Oct 2026

Open-source groupware and email suite; self-hosted with Docker
Checked 11 Oct 2026
1 domain · 20 mailboxes · up to 50 GB · unlimited aliases and domain aliases · shared resources
Checked 11 Oct 2026
3 tickets per quarter · no phone or remote support · max. 1 day response time
Checked 11 Oct 2026
Unlimited domains and mailboxes, subject to system resources · up to 500 GB · dedicated server · up to 35 ActiveSync devices included
Checked 11 Oct 2026
3 tickets per quarter · 30 minutes phone support per quarter · no remote support · max. 6 hours response time
Checked 11 Oct 2026
5 tickets per quarter · 30 minutes phone or remote support per quarter · max. 4 hours response time
Checked 11 Oct 2026
120 minutes phone support · 120 minutes remote support · max. 2 hours response time
Checked 11 Oct 2026