Self-Hosted Index

Categories

Communication - Email - Mail Transfer Agents

9 applications, ranked by GitHub stars in the dataset.

  • Haraka

    Fast, highly extensible, and event driven SMTP server.

    5,629 stars Active

    30 Oct 2026 v3.3.5

  • OpenSMTPD

    Secure SMTP server implementation from the OpenBSD project.

    586 stars Active

    14 Sep 2026 7.9.0p0

  • DragonFly

    Small MTA for home and office use. Works on Linux and FreeBSD.

    266 stars Active

    30 Aug 2026

  • chasquid

    SMTP (email) server with a focus on simplicity, security, and ease of operation.

    No repository figures recorded

  • Courier MTA

    Fast, scalable, enterprise mail/groupware server providing ESMTP, IMAP, POP3, webmail, mailing list, basic web-based calendaring and scheduling services.

    No repository figures recorded

  • EmailRelay

    Small and easy to configure SMTP and POP3 server for Windows and Linux.

    No repository figures recorded

  • Exim

    Message transfer agent (MTA) developed at the University of Cambridge.

    No repository figures recorded

  • Postfix

    Fast, easy to administer, and secure Sendmail replacement.

    No repository figures recorded

  • Sendmail

    Message transfer agent (MTA).

    No repository figures recorded