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docker-mailserver

docker-mailserver is an open-source, self-hosted app in the Email Servers category, licensed MIT and written mainly in Shell. It is a self-hosted alternative to Gmail and ships a Docker image. It has 19,681 GitHub stars and its last commit was on Oct 25, 2026 (data as of Oct 26, 2026).

github.com/docker-mailserver/docker-mailserver

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GitHub stats

GitHub stars
19,681
Forks
2,124
Open issues
84
Commits, last 12 months
121
Last commit
Oct 25, 2026
Latest release
v16.0.1Sep 4, 2026
Created
Mar 28, 2015
License
MITOpen source

Data as of from the GitHub API. Report an error

Project health

ActiveActive: last commit Oct 25, 2026, 121 commits in 12 months.

Raw inputs behind the health label
Last commitOct 25, 2026
Commits, last 12 months121
Latest releasev16.0.1 (Sep 4, 2026)
Releases, last 12 months2
Releases, all time33
Open issues84
Open pull requests2
Good first issues0
Contributing guideNo
Security policyYes
CreatedMar 28, 2015

Health as of , from the GitHub API. A label describes activity, not quality or security. How we label project health · Report a data error

About 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.

Description adapted from awesome-selfhosted (CC BY-SA 3.0). Source code: github.com/docker-mailserver/docker-mailserver.

Topics

  • mailserver
  • mail
  • postfix
  • dovecot
  • ldap
  • fail2ban
  • imap
  • smtp
  • container
  • rspamd

Open-source alternative to

docker-mailserver can replace these commercial products. Compare every option on each page.

Repository preview

docker-mailserver repository previewdocker-mailserver/docker-mailserverOpen repository

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FAQ

docker-mailserver FAQ

Still curious? Email info@appsgit.com.

Is docker-mailserver free and open source?

Yes. docker-mailserver is open-source software released under the MIT license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.

Can I run docker-mailserver with Docker?

Yes. docker-mailserver provides a Docker image, so you can run it on any Linux server with Docker and Docker Compose installed. The project README lists the image name and the environment variables to set.

What are the best alternatives to docker-mailserver?

Popular self-hosted alternatives to docker-mailserver include Postal, Mail-in-a-Box and Stalwart Mail Server. docker-mailserver itself is a self-hosted alternative to Gmail.

Is docker-mailserver actively maintained?

The most recent commit to docker-mailserver was on Oct 25, 2026 with 121 commits in the past twelve months. The latest release is v16.0.1, published Sep 4, 2026. It had 84 open issues on GitHub. appsgit's project-health label for it is "Active" as of Oct 26, 2026.