A mail server is a program responsible for receiving, routing, and delivering e-mail messages.
Zimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security
Mail Server and Collaboration solution for Linux and Windows. Full-featured and cost-effective alternative to Microsoft Exchange.
Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.
AXIGEN is a Windows & Linux Mail Server with groupware and collaboration features like outlook connector, push email, shared folders or PIM Sync
Kolab's community of users, deployers, designers and developers work together daily to continuously improve the various server and client components that make u
Pegasus Mail is a free product, dedicated to serving all who need it, whilst Mercury is a modestly-priced commercial system that allows free use for private ...
Cyrus IMAP is an email, contacts and calendar server. This is the documentation for version 3.0.0 (stable) of Cyrus IMAP.
Official home of the replacement for sendmail. Much content in several languages, including news, links, user documentation and software, tips, and advice.