ArGoSoft Mail Server is fully functional SMTP/POP3/Finger server which will let you turn your computer into an email system. It's very compact, takes about 1-5 Mb of disk space, does not have any specific memory requirements, and what is the most important - it's very easy to use.

The Pro version includes all options from the Freeware and Plus versions plus it Supports IMAP, Has true support of multiple domains, Supports multiple IP homes, Has built in mailing list server, Has WAP interface, Allows setup of domain administrators, Filtering of mail according to IP addresses of server which attempts to relay mail to local users, ORDB and MAPS support, Easier specification of IP addresses, Supports Server Extensions, Ability to verify addresses of senders of arrived messages, Has built in utilities for diagnosing local or remote domains, and Allows to temporarily disable or enable users and domain administrators.