listmonk vs MailWhale

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?
FeaturelistmonkMailWhale
CategoryMail ServersMail Servers
LicenseAGPL-3.0MIT
LanguageGoGo
Setup difficultyEasyEasy
Min. RAM512 MB64 MB
Deploymentdocker, binary, sourcedocker, binary, source
GitHub stars★ 22,670★ 372
First released20202021
ReplacesMailchimp, SendinblueSendGrid, Postmark

Why pick each one

Choose listmonk if…

  • Fast and scalable
  • Modern admin UI
listmonk details

Choose MailWhale if…

  • Released under the MIT license
  • Easy to set up — beginner-friendly
  • First-class Docker support for quick deployment
  • Written in Go
MailWhale details

Frequently asked questions

Is listmonk or MailWhale 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 MailWhale free and open-source?

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

Can I run listmonk and MailWhale with Docker?

listmonk: yes. MailWhale: yes.

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