Docker Mailserver vs Mox

A side-by-side comparison of two self-hosted mail servers options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureDocker MailserverMox
CategoryMail ServersMail Servers
LicenseMITMIT
LanguageShellGo
Setup difficultyMediumEasy
Min. RAM2,048 MB256 MB
Deploymentdockerdocker, binary, source
GitHub stars★ 18,682★ 5,771
First released20152023
ReplacesGoogle Workspace, Microsoft 365Google Workspace, Microsoft 365

Why pick each one

Choose Docker Mailserver if…

  • Reproducible, version-controllable config
  • Lightweight
Docker Mailserver details

Choose Mox if…

  • Very easy to deploy
  • Strong modern defaults
Mox details

Frequently asked questions

Is Docker Mailserver or Mox better?

Neither is universally better. Docker Mailserver has the larger community, while Mox is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.

Are Docker Mailserver and Mox free and open-source?

Yes. Docker Mailserver is licensed under MIT and Mox under MIT. Both can be self-hosted at no software cost.

Can I run Docker Mailserver and Mox with Docker?

Docker Mailserver: yes. Mox: yes.

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