ServerFiles.com is a server software & hardware directory for Network administrators & IT professionals, listing networking & server software for Windows 2003, Windows 2000, NT and Linux; and now also listing networking hardware solutions focused on server based computing.
Vote for MDaemon
MDaemon is a full-feature POP3/SMTP server for Win 95/98/ME/NT/2000/XP. It allows multiple users on your Local Area Network (LAN) to enjoy email access through a single connection (such as a single dial-up SLIP or PPP connection to a service provider). Program supports mailing lists, remote control, spam-blocker, content filtering, IMAP, and multiple domain support.
MDaemon 6.8 added features include major security upgrade - SSL/STARTTLS support, Enhanced Spam Filter Using OpenSource Heuristic Technolog, Bayesian Engine for Spam / Non-Spam Detection, WAP Device Support for WorldClient, Improved Back Up Server Performance, Skinnable ComAgent Instant Messaging Client, and more.