Mailspring vs ViMbAdmin

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?
FeatureMailspringViMbAdmin
CategoryMail ServersMail Servers
LicenseGPL-3.0GPL-3.0
LanguageJavaScriptJavaScript
Setup difficultyEasyMedium
Min. RAM512 MB256 MB
Deploymentbinary, sourcebare-metal, source
GitHub stars★ 17,730★ 484
First released20172011
ReplacesOutlook, Apple MailcPanel email

Why pick each one

Choose Mailspring if…

  • Released under the GPL-3.0 license
  • Easy to set up — beginner-friendly
  • Mature project with 17.7k GitHub stars
  • Written in JavaScript
Mailspring details

Choose ViMbAdmin if…

  • Released under the GPL-3.0 license
  • Written in JavaScript
  • Tiny footprint — runs in 256 MB RAM
ViMbAdmin details

Frequently asked questions

Is Mailspring or ViMbAdmin better?

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

Are Mailspring and ViMbAdmin free and open-source?

Yes. Mailspring is licensed under GPL-3.0 and ViMbAdmin under GPL-3.0. Both can be self-hosted at no software cost.

Can I run Mailspring and ViMbAdmin with Docker?

Mailspring: check the project docs for container support. ViMbAdmin: check the project docs for container support.

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