listmonk vs mpop

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?
Featurelistmonkmpop
CategoryMail ServersMail Servers
LicenseAGPL-3.0GPL-3.0
LanguageGoC
Setup difficultyEasyEasy
Min. RAM512 MB16 MB
Deploymentdocker, binary, sourcebinary, source
GitHub stars★ 22,670★ 19
First released20202005
ReplacesMailchimp, Sendinbluefetchmail

Why pick each one

Choose listmonk if…

  • Fast and scalable
  • Modern admin UI
listmonk details

Choose mpop if…

  • Released under the GPL-3.0 license
  • Easy to set up — beginner-friendly
  • Written in C
  • Tiny footprint — runs in 16 MB RAM
mpop details

Frequently asked questions

Is listmonk or mpop better?

Neither is universally better. listmonk has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.

Are listmonk and mpop free and open-source?

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

Can I run listmonk and mpop with Docker?

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

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