mdaemon free mail server for windows

SurgeMail Mail Server Software Suite-high performance and ease of use.

Easy to install and manage mail server.

Powerful and secure Internet mail server.

An extreme effective spam and virus filter for the Communigate Pro® mail server

MailServe sets up a totally buzzword-compliant mail server on Mac OS X.

Check POP3 mail on server before downloading.

Scalable E-Mail and list server for Mac OS X.