mailcow vs Mailpit

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?
FeaturemailcowMailpit
CategoryMail ServersMail Servers
LicenseGPL-3.0MIT
LanguageJavaScriptGo
Setup difficultyMediumEasy
Min. RAM6,144 MB64 MB
Deploymentdockerdocker, binary
GitHub stars★ 13,245★ 10,067
First released20162022
ReplacesMicrosoft Exchange, Google WorkspaceMailtrap, MailHog

Why pick each one

Choose mailcow if…

  • All components preconfigured
  • Active community
mailcow details

Choose Mailpit if…

  • Very fast and small
  • Great developer UX
Mailpit details

Frequently asked questions

Is mailcow or Mailpit better?

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

Are mailcow and Mailpit free and open-source?

Yes. mailcow is licensed under GPL-3.0 and Mailpit under MIT. Both can be self-hosted at no software cost.

Can I run mailcow and Mailpit with Docker?

mailcow: yes. Mailpit: yes.

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