Google Workspace

Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container.

SMTP and IMAP with spam and virus filtering, configured from files, without webmail.

Langage

Shell

Licence

MIT

Étoiles

19k

Dernière release

v16.0.1

Dernier push

2026-10-04

Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.

Mail, contacts and calendars for your own domains on one Ubuntu server, without the office apps.

Langage

Python

Licence

CC0-1.0

Étoiles

15k

Dernière release

v77

Dernier push

2026-09-26

All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).

Mail over JMAP, IMAP and SMTP, plus CalDAV and CardDAV, in one Rust server.

Langage

Rust

Licence

Aucune détectée

Étoiles

15k

Dernière release

v0.16.25

Dernier push

2026-10-05

Aucune licence détectée

mailcow: dockerized - 🐮 + 🐋 = 💕

Mail, calendars and contacts with SOGo webmail; no office suite.

Langage

JavaScript

Licence

GPL-3.0

Étoiles

14k

Dernière release

2026-09a

Dernier push

2026-10-06

Insular email distribution - mail server as Docker images

Mail with webmail, spam filtering and an admin UI.

Langage

Python

Licence

Other

Étoiles

7.5k

Dernière release

2024.06.61

Dernier push

2026-10-06

The Roundcube Webmail suite

Webmail with an address book and plugins, on top of an IMAP and SMTP server you run.

Langage

PHP

Licence

GPL-3.0

Étoiles

7.2k

Dernière release

1.7.4

Dernier push

2026-10-02

✉️ Composable all-in-one mail server.

SMTP, IMAP, DKIM, SPF and DMARC in one Go binary; mail only.

Langage

Go

Licence

GPL-3.0

Étoiles

6.1k

Dernière release

v0.9.6

Dernier push

2026-10-03

modern full-featured open source secure mail server for low-maintenance self-hosted email

SMTP, IMAP, webmail, spam filtering and automatic TLS in one Go binary; mail only.

Langage

Go

Licence

MIT

Étoiles

5.9k

Dernière release

v0.0.17

Dernier push

2026-09-13

Mail hosting made simple

A web admin and webmail that sets up Postfix and Dovecot for mail, calendars and contacts.

Langage

Python

Licence

ISC

Étoiles

3.5k

Dernière release

2.11.0

Dernier push

2026-10-06

Full-featured, open source mail server solution for mainstream Linux/BSD distributions.

A shell script that installs and configures Postfix, Dovecot, webmail and spam filtering on one server.

Langage

Shell

Licence

GPL-3.0

Étoiles

1.8k

Dernière release

1.8.8

Dernier push

2026-09-23