Keila 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?
FeatureKeilalistmonk
CategoryMail ServersMail Servers
LicenseAGPL-3.0AGPL-3.0
LanguageElixirGo
Setup difficultyEasyEasy
Min. RAM512 MB512 MB
Deploymentdocker, sourcedocker, binary, source
GitHub stars★ 2,181★ 22,670
First released20212020
ReplacesMailchimp, SendinblueMailchimp, Sendinblue

Why pick each one

Choose Keila if…

  • Released under the AGPL-3.0 license
  • Easy to set up — beginner-friendly
  • First-class Docker support for quick deployment
  • Active community (2.2k GitHub stars)
Keila details

Choose listmonk if…

  • Fast and scalable
  • Modern admin UI
listmonk details

Frequently asked questions

Is Keila or listmonk 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 Keila and listmonk free and open-source?

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

Can I run Keila and listmonk with Docker?

Keila: yes. listmonk: yes.

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