Communication - Email - Mail Transfer Agents#

Mail Transfer Agents (MTAs) - SMTP servers.


Software#

This page lists all projects in this category. Use the index of all projects, the sidebar, or click on tags to browse other categories.


chasquid#

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

Website Source Code

★? ? Go Apache-2.0

Communication - Email - Mail Transfer Agents


Courier MTA#

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

Website Source Code

★? ? C deb GPL-3.0

Communication - Email - Mail Transfer Agents


DragonFly#

A small MTA for home and office use. Works on Linux and FreeBSD.

Website Source Code

★222 2024-05-06 C BSD-3-Clause

Communication - Email - Mail Transfer Agents


EmailRelay#

A small and easy to configure SMTP and POP3 server for Windows and Linux.

Website Source Code

★? ? C++ GPL-3.0

Communication - Email - Mail Transfer Agents


Exim#

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

Website Source Code

★? ? C deb GPL-3.0

Communication - Email - Mail Transfer Agents


Haraka#

High-performance, pluginable SMTP server written in Javascript.

Website Source Code

★4857 2024-05-20 Nodejs MIT

Communication - Email - Mail Transfer Agents


MailCatcher#

Ruby gem that deploys a simply SMTP MTA gateway that accepts all mail and displays in web interface. Useful for debugging or development.

Website Source Code

★6193 2024-05-17 Ruby MIT

Communication - Email - Mail Transfer Agents


OpenSMTPD#

Secure SMTP server implementation from the OpenBSD project.

Website Source Code

★? ? C deb ISC

Communication - Email - Mail Transfer Agents


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.

Website Source Code

★485 2024-03-31 Python PHP Docker Apache-2.0

Communication - Email - Mail Transfer Agents


Postfix#

Fast, easy to administer, and secure Sendmail replacement.

Website Source Code

★? ? C deb IPL-1.0

Communication - Email - Mail Transfer Agents


Sendmail#

Message transfer agent (MTA).

Website Source Code

★? ? C deb Sendmail

Communication - Email - Mail Transfer Agents


Slimta#

Mail Transfer Library built on Python.

Website Source Code

★170 2024-04-14 Python MIT

Communication - Email - Mail Transfer Agents


Stalwart SMTP#

Modern SMTP server designed with a focus on security, speed, and extensive configurability.

Website Source Code

★461 2024-02-14 Rust AGPL-3.0

Communication - Email - Mail Transfer Agents