SHSelfHostIndex

Docker Mailserver vs Nextcloud Mail

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?
DO Docker Mailserver Production-ready, config-driven mail server in a container VS NE Nextcloud Mail IMAP webmail client integrated into Nextcloud
FeatureDocker MailserverNextcloud Mail
CategoryMail ServersMail Servers
LicenseMITAGPL-3.0
LanguageShellJavaScript
Setup difficultyMediumEasy
Min. RAM2,048 MB512 MB
Deploymentdockersource
GitHub stars★ 18,682★ 1,014
First released20152014
ReplacesGoogle Workspace, Microsoft 365Gmail

Why pick each one

Choose Docker Mailserver if…

  • Reproducible, version-controllable config
  • Lightweight
Docker Mailserver details

Choose Nextcloud Mail if…

  • Released under the AGPL-3.0 license
  • Easy to set up — beginner-friendly
  • Active community (1k GitHub stars)
  • Written in JavaScript
Nextcloud Mail details

Frequently asked questions

Is Docker Mailserver or Nextcloud Mail better?

Neither is universally better. Docker Mailserver has the larger community, while Nextcloud Mail is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.

Are Docker Mailserver and Nextcloud Mail free and open-source?

Yes. Docker Mailserver is licensed under MIT and Nextcloud Mail under AGPL-3.0. Both can be self-hosted at no software cost.

Can I run Docker Mailserver and Nextcloud Mail with Docker?

Docker Mailserver: yes. Nextcloud Mail: check the project docs for container support.

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