Self-hosted communication - email - mail transfer agents
10 apps · 1 Docker-ready. All open-source; click through for license, source, and a docker-compose starter.
| Name | License | Stack | Docker |
|---|---|---|---|
| chasquid SMTP (email) server with a focus on simplicity, security, and ease of operation. | Apache-2.0 | Go | — |
| Courier MTA Fast, scalable, enterprise mail/groupware server providing ESMTP, IMAP, POP3, webmail, mailing list, basic web-based calendaring and scheduling services. | GPL-3.0 | C/deb | — |
| DragonFly A small MTA for home and office use. Works on Linux and FreeBSD. | BSD-3-Clause | C | — |
| EmailRelay A small and easy to configure SMTP and POP3 server for Windows and Linux. | GPL-3.0 | C++ | — |
| Exim Message transfer agent (MTA) developed at the University of Cambridge. | GPL-3.0 | C/deb | — |
| Haraka Fast, highly extensible, and event driven SMTP server. | MIT | Nodejs | — |
| OpenSMTPD Secure SMTP server implementation from the OpenBSD project. | ISC | C/deb | — |
| OpenTrashmail Complete trashmail solution that exposes an SMTP server and has a web interface to manage received emails. Works with multiple and wildcard domains and is fully file based (no database needed). Includes RSS feeds and JSON API. | Apache-2.0 | Python/PHP/Docker | Docker |
| Postfix Fast, easy to administer, and secure Sendmail replacement. | IPL-1.0 | C/deb | — |
| Sendmail Message transfer agent (MTA). | Sendmail | C/deb | — |