Mailcow
Mail server suite based on Dovecot, Postfix and other software, that provides a modern Web UI for administration.
At a glance
- GitHub stars
- 13.7k
- Last activity
- 2026-10-21
- Latest release
- 2026-10
2026-10-21 - Commits (12 mo)
- 324
- License
- GPL-3.0
- Language / platform
- Docker, PHP
Maintenance health: Actively maintained — Commits in the last 3 months.
Run Mailcow yourself
- RAM: ~8 GB server (4 vCPU)
- Docker: yes
- Storage: plan disk for your data (media/files grow fast); attach a volume or use object storage.
- mailcow requires ~6 GB RAM with ClamAV enabled
- needs a clean IP with port 25 open; many VPS block it by default
Estimated monthly server cost
| Provider | Plan size | ~ USD / month | |
|---|---|---|---|
| Vultr | 8 GB | $40 | Deploy → |
| DigitalOcean | 8 GB | $48 | Deploy → |
| Akamai (Linode) | 8 GB | $48 | Deploy → |
Rough estimate from the app's stack and category, not a benchmark. Several light apps can share one server. Some hosting links may be affiliate links. We may earn a commission at no extra cost to you; it never affects which apps we list.
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