Roundcube vs Mailpit

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?
FeatureRoundcubeMailpit
CategoryMail ServersMail Servers
LicenseGPL-3.0MIT
LanguagePHPGo
Setup difficultyEasyEasy
Min. RAM256 MB64 MB
Deploymentdocker, bare-metal, sourcedocker, binary
GitHub stars★ 7,118★ 10,067
First released20082022
ReplacesGmail, Outlook WebMailtrap, MailHog

Why pick each one

Choose Roundcube if…

  • Mature and stable
  • Widely supported
Roundcube details

Choose Mailpit if…

  • Very fast and small
  • Great developer UX
Mailpit details

Frequently asked questions

Is Roundcube or Mailpit better?

Neither is universally better. Mailpit has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.

Are Roundcube and Mailpit free and open-source?

Yes. Roundcube is licensed under GPL-3.0 and Mailpit under MIT. Both can be self-hosted at no software cost.

Can I run Roundcube and Mailpit with Docker?

Roundcube: yes. Mailpit: yes.

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