Fast, scalable, enterprise mail/groupware server providing ESMTP, IMAP, POP3, webmail, mailing list, basic web-based calendaring and scheduling services. ([Source Code](https://www.courier-mta.org/repo.html)) `GPL-3.0` `C/deb`
courier-mta.org
Results for “communication - email - mail t”
6 tools found
Message transfer agent (MTA) developed at the University of Cambridge. ([Source Code](https://git.exim.org/exim.git)) `GPL-3.0` `C/deb`
exim.org
Fast, highly extensible, and event driven SMTP server. ([Source Code](https://github.com/haraka/Haraka)) `MIT` `Nodejs`
haraka.github.io
Secure SMTP server implementation from the OpenBSD project. ([Source Code](https://github.com/OpenSMTPD/OpenSMTPD/)) `ISC` `C/deb`
opensmtpd.org
Fast, easy to administer, and secure Sendmail replacement. `IPL-1.0` `C/deb`
postfix.org
Message transfer agent (MTA). `Sendmail` `C/deb`
proofpoint.com