b1gMail vs listmonk

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?
Featureb1gMaillistmonk
CategoryMail ServersMail Servers
LicenseGPL-2.0AGPL-3.0
LanguagePHPGo
Setup difficultyMediumEasy
Min. RAM512 MB512 MB
Deploymentbare-metaldocker, binary, source
GitHub stars★ 22,670
First released20202020
ReplacesMailchimp, Sendinblue

Why pick each one

Choose b1gMail if…

  • Released under the GPL-2.0 license
  • Written in PHP
  • Lightweight — runs in 512 MB RAM
b1gMail details

Choose listmonk if…

  • Fast and scalable
  • Modern admin UI
listmonk details

Frequently asked questions

Is b1gMail or listmonk better?

listmonk is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider b1gMail if its specific feature set fits your needs better.

Are b1gMail and listmonk free and open-source?

Yes. b1gMail is licensed under GPL-2.0 and listmonk under AGPL-3.0. Both can be self-hosted at no software cost.

Can I run b1gMail and listmonk with Docker?

b1gMail: check the project docs for container support. listmonk: yes.

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