docker-mailserver

Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container. Only configuration files, no SQL database.

Active Last commit on 2026-11-09 · 3 releases in the past year · 123 commits in the past 12 months

Website Source code

At a glance

GitHub stars: 19.7k
Last commit: 2026-11-09
Latest release: v17.0.0
2026-11-05
Commits (12 mo): 123
Releases (12 mo): 3
License: MIT
Language / platform: Docker

Maintenance health: Active

Last commit within the past 90 days. Last commit on 2026-11-09 · 3 releases in the past year · 123 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 docker-mailserver yourself

RAM: ~4 GB server (2 vCPU)
Docker: yes
Storage: plan disk for your data (media/files grow fast); attach a volume or use object storage.
needs a clean IP with port 25 open; many VPS block it by default

Estimated monthly server cost

Provider	Plan size	~ USD / month
Vultr	4 GB	$20	Deploy →
DigitalOcean	4 GB	$24	Deploy →
Akamai (Linode)	4 GB	$24	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.

Prefer managed hosting? Check PikaPods or Elestio.