Universal server
Client daemon to move mail from POP and IMAP to your local computer
Fast Bayesian spam filter along lines suggested by Paul Graham
Anti Spam SMTP Gateway
Gross greylisting server
software for email automation (newsletters, transaction mails, etc.)
secure, reliable, fast MTA
JavaScript/XML engine for Apache
Stuff Happens - know about it.
SIA receiver for Galaxy security control panels.
Apache LDAP Directory Manager
one server framework
Internet - Multi Server Control Panel
Pinger alert, STATICTICAL TABLES, send EMAILs or SMS by SMS GATEWAY
Petidomo is a small, easy-to-administer mailing list server
File system benchmark
Mail system postfix dovecot openldap contact syncronization
cab
Send and Receive File using a PIN