Mail-in-a-Box vs Mautic

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?
FeatureMail-in-a-BoxMautic
CategoryMail ServersMail Servers
LicenseCC0-1.0GPL-3.0
LanguagePythonPHP
Setup difficultyEasyHard
Min. RAM1,024 MB2,048 MB
Deploymentbare-metal, one-clickdocker, bare-metal, source
GitHub stars★ 15,385★ 10,305
First released20142014
ReplacesGoogle Workspace, Microsoft 365HubSpot, Marketo, Mailchimp

Why pick each one

Choose Mail-in-a-Box if…

  • Very beginner-friendly
  • Opinionated, complete stack
Mail-in-a-Box details

Choose Mautic if…

  • Full marketing automation suite
  • Large community
Mautic details

Frequently asked questions

Is Mail-in-a-Box or Mautic better?

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

Are Mail-in-a-Box and Mautic free and open-source?

Yes. Mail-in-a-Box is licensed under CC0-1.0 and Mautic under GPL-3.0. Both can be self-hosted at no software cost.

Can I run Mail-in-a-Box and Mautic with Docker?

Mail-in-a-Box: check the project docs for container support. Mautic: yes.

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