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.
★? ? 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.
Communication - Email - Mail Transfer Agents
DragonFly​
A small MTA for home and office use. Works on Linux and FreeBSD.
★226 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.
Communication - Email - Mail Transfer Agents
Exim​
Message transfer agent (MTA) developed at the University of Cambridge.
Communication - Email - Mail Transfer Agents
Haraka​
High-performance, pluginable SMTP server written in Javascript.
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.
Communication - Email - Mail Transfer Agents
OpenSMTPD​
Secure SMTP server implementation from the OpenBSD project.
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.
★598 2024-05-27 Python PHP Docker Apache-2.0
Communication - Email - Mail Transfer Agents
Postfix​
Fast, easy to administer, and secure Sendmail replacement.
Communication - Email - Mail Transfer Agents
Sendmail​
Message transfer agent (MTA).
Communication - Email - Mail Transfer Agents
Slimta​
Mail Transfer Library built on Python.
Communication - Email - Mail Transfer Agents
Stalwart SMTP​
Modern SMTP server designed with a focus on security, speed, and extensive configurability.