Full SMTP/Mail server Appliance in 5 minutes
Internet - Multi Server Control Panel
Enterprise Business Operating System
Easy installation and configuration of a complete mail server
File system benchmark
an 'auto-reply' bot for your mail server
CheckeredFlag is a super simple mail server.
An unofficial web console to administer Apache James 3 server
Open Source Anti-Spam and Anti-Virus Gateway
Mail system postfix dovecot openldap contact syncronization
To synch and encrypt all sorts of data across different sources
MailSmsGateway is a simple interface between mailing and sms services.
Synology package to hibernate while running Mail Station & Server
Host a personal portfolio in Google App Engine- Python
Ciphermail email encryption gateway (S/MIME, OpenPGP, PDF encryption)
Debian Mailserver
javascript to convert thunderbird/seamonkey filters to sieve rules
Webkosa is the open source edition of Webcrossing.