Self-hosted Email

Open-Xchange Server 6 is the most advanced Linux based Groupware solution f.

PowerMTA is an industrial-strength software for high-volume email delivery.

Axigen is an integrated email, calendaring & collaboration platform, built on a Linux mail server technology.

MailEnable is a Windows based mail server and email server program that is packed with the state of the features and functions like antivirus and spam filtering system, webmail management system, cardDAV, CalDAV and much more.

SOGo is groupware server with a focus on scalability and open standards.

Open Source

Simple, easy and secure mail server with a convenient and simple interface.

Eudora Internet Mail Server is a highly advanced internet mail system that supports the all kind of email systems and clients either it is IMAP, POP3, SMTP and much more.

SquirrelMail is a standards-based webmail package written in PHP.

Open Source

KerioConnect is a commercial mail and groupware server.

SmarterMail is a next generation email management server that is offering several business collaboration and communication features as well.

Dovecot is an open source IMAP and POP3 email server for Linux/UNIX-like systems, written with...

Open Source

DBMail is a fast, scalable IMAP4 and POP3 server that stores all email and users in a Postgresql...

Open Source

Synovel Collabsuite is the name of a next generation and open source web server for the Linux operating systems that now features the chat and support for the calendars as well.