listmonk vs Inboxen

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?
FeaturelistmonkInboxen
CategoryMail ServersMail Servers
LicenseAGPL-3.0GPL-3.0
LanguageGoPython
Setup difficultyEasyMedium
Min. RAM512 MB512 MB
Deploymentdocker, binary, sourcebare-metal
GitHub stars★ 22,670
First released20202020
ReplacesMailchimp, Sendinblue

Why pick each one

Choose listmonk if…

  • Fast and scalable
  • Modern admin UI
listmonk details

Choose Inboxen if…

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

Frequently asked questions

Is listmonk or Inboxen better?

listmonk 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 listmonk and Inboxen free and open-source?

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

Can I run listmonk and Inboxen with Docker?

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

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