Self-Hosted Index

Alternatives

Proton Mail

Encrypted hosted email in Switzerland, with storage and features gated by subscription tier.

3 self-hosted replacements in this index, ranked by GitHub stars in the dataset.

Replacements

  • docker-mailserver

    Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container. Only configuration files, no SQL database.

    19,710 stars Active

    26 Oct 2026 v16.0.1

  • Mail-in-a-Box

    Turns any Ubuntu server into a fully functional mail server with one command.

    15,448 stars Active

    22 Oct 2026 v77

  • Mailcow

    Mail server suite based on Dovecot, Postfix and other software, that provides a modern Web UI for administration.

    13,722 stars Active

    21 Oct 2026 2026-10