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.
AV/content filter for Qmail
Linux Mail Server with Calendaring and IM
A lite version of mailinator for developer use
script for checking mail adresses