eRisemail - Mail, IM and LDAP Server

Support SMTP, POP3, IMAP4, HTTP, XMPP, LDAP, DNS and SSL/TLS
Support WebMail and WebAdmin based on built-in web server
Support CRAM-MD5, DIGEST-MD5, APOP, External/TLS-Certification and GSSAPI/Kerberos
Support mail group, customizable user policy and mail audit
Support popular email client( Outlook, Thunderbird ...)
Support iCalendar and Mozilla Thunderbird Lightning Plugin
Support LDAP Address Book based on built-in LDAP server.
Support the mail with huge size attachment( Maximum size is 2G )
Support Apache SpamAssassin and How to use Anti-spam Engine in eRisemail
Recommend Ubuntu or CentOS as host OS Installation
Project Wiki

This project began in 2004. It was published in SourceForge originally. In 2014, it was move to Github. Thanks to Github offering the host.

Erisemail