Anti-Spam SMTP Proxy Server implements multiple spam filters
SMTP email proxy and relay server
Powerful Open Source Email Marketing app with analytics & segmentation
Fast Bayesian spam filter along lines suggested by Paul Graham
Client daemon to move mail from POP and IMAP to your local computer
Booking/reservation of meeting rooms/equipment with e-mail invitations
Script set to archive emails at groupwise server side
secure, reliable, fast MTA
Full SMTP/Mail server Appliance in 5 minutes
one server framework
An easy-to-use anti-spam email gateway
CheckeredFlag is a super simple mail server.
Email client based on the Eclipse RCP platform.