Xeams
Xeams is a secure and powerful mail server for that includes a powerful spam filtering engine that…
GPGMail
GPGMail is an open source plugin for Apple Mail.
mailcow
An open source mailserver suite.
OX Open-Xchange
Open-Xchange Server 6 is the most advanced Linux based Groupware solution f.
mailbox.org
mailbox.org offers a secure e-mail account for home and business use. The domain name, me@mailbox.
Axigen
Axigen is an integrated email, calendaring & collaboration platform, built on a Linux mail server technology.
