listmonk vs piler

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?
Featurelistmonkpiler
CategoryMail ServersMail Servers
LicenseAGPL-3.0GPL-3.0
LanguageGoC
Setup difficultyEasyHard
Min. RAM512 MB2,048 MB
Deploymentdocker, binary, sourcebare-metal, source
GitHub stars★ 22,670★ 200
First released20202012
ReplacesMailchimp, SendinblueMimecast, Barracuda Archiver

Why pick each one

Choose listmonk if…

  • Fast and scalable
  • Modern admin UI
listmonk details

Choose piler if…

  • Released under the GPL-3.0 license
  • Written in C
piler details

Frequently asked questions

Is listmonk or piler better?

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

Are listmonk and piler free and open-source?

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

Can I run listmonk and piler with Docker?

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

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