Mailtrain 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?
FeatureMailtrainMailpit
CategoryMail ServersMail Servers
LicenseGPL-3.0MIT
LanguageJavaScriptGo
Setup difficultyMediumEasy
Min. RAM1,024 MB64 MB
Deploymentdocker, bare-metal, sourcedocker, binary
GitHub stars★ 5,743★ 10,067
First released20162022
ReplacesMailchimpMailtrap, MailHog

Why pick each one

Choose Mailtrain if…

  • Released under the GPL-3.0 license
  • First-class Docker support for quick deployment
  • Mature project with 5.7k GitHub stars
  • Written in JavaScript
Mailtrain details

Choose Mailpit if…

  • Very fast and small
  • Great developer UX
Mailpit details

Frequently asked questions

Is Mailtrain or Mailpit better?

Mailpit is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Mailtrain if its specific feature set fits your needs better.

Are Mailtrain and Mailpit free and open-source?

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

Can I run Mailtrain and Mailpit with Docker?

Mailtrain: yes. Mailpit: yes.

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