Mailcow

Mail server suite based on Dovecot, Postfix and other software, that provides a modern Web UI for administration.

Active Last commit · 10+ releases in the past year · 402 commits in the past 12 months

WebsiteSource code

At a glance

GitHub stars
13.8k
Last commit
2026-11-05
Latest release
2026-11
2026-11-05
Commits (12 mo)
402
Releases (12 mo)
10+
License
GPL-3.0
Language / platform
Docker, PHP

Maintenance health: Active

Last commit within the past 90 days. Last commit · 10+ releases in the past year · 402 commits in the past 12 months.

How we label health: Active = last commit within 90 days, Maintained = within 12 months, Slowing = 12–24 months, Stale = over 24 months, Archived = read-only repository, Unknown = no data. Activity data from awesome-selfhosted-data (refreshed daily from GitHub); release counts from the GitHub releases feed (includes pre-releases).

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

ProviderPlan size~ USD / month
Vultr8 GB$40Deploy →
DigitalOcean8 GB$48Deploy →
Akamai (Linode)8 GB$48Deploy →

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.

Prefer managed hosting? Check PikaPods or Elestio.

Mailcow is an alternative to

GmailOutlook.comProton MailFastmailZoho MailMicrosoft Exchange

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