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.

This version includes everything from the Freeware version plus is Has password protected Administration mode, Supports distribution lists, Supports auto responders, Supports basic filters, Unlimited message size, Can listen on single IP address, Has built-in web server, Web output can be customized, and the Finger server can be disabled.