Inboxen 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?
FeatureInboxenMailpit
CategoryMail ServersMail Servers
LicenseGPL-3.0MIT
LanguagePythonGo
Setup difficultyMediumEasy
Min. RAM512 MB64 MB
Deploymentbare-metaldocker, binary
GitHub stars★ 10,067
First released20202022
ReplacesMailtrap, MailHog

Why pick each one

Choose Inboxen if…

  • Released under the GPL-3.0 license
  • Written in Python
  • Lightweight — runs in 512 MB RAM
Inboxen details

Choose Mailpit if…

  • Very fast and small
  • Great developer UX
Mailpit details

Frequently asked questions

Is Inboxen or Mailpit better?

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

Are Inboxen and Mailpit free and open-source?

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

Can I run Inboxen and Mailpit with Docker?

Inboxen: check the project docs for container support. Mailpit: yes.

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