listmonk vs Sieve Editor

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?
FeaturelistmonkSieve Editor
CategoryMail ServersMail Servers
LicenseAGPL-3.0AGPL-3.0
LanguageGoJavaScript
Setup difficultyEasyEasy
Min. RAM512 MB128 MB
Deploymentdocker, binary, sourcebinary, source
GitHub stars★ 22,670★ 889
First released20202012
ReplacesMailchimp, SendinblueGmail filters

Why pick each one

Choose listmonk if…

  • Fast and scalable
  • Modern admin UI
listmonk details

Choose Sieve Editor if…

  • Released under the AGPL-3.0 license
  • Easy to set up — beginner-friendly
  • Written in JavaScript
  • Tiny footprint — runs in 128 MB RAM
Sieve Editor details

Frequently asked questions

Is listmonk or Sieve Editor 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 Sieve Editor free and open-source?

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

Can I run listmonk and Sieve Editor with Docker?

listmonk: yes. Sieve Editor: check the project docs for container support.

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