MDaemon is a powerful, full-feature POP3/SMTP/IMAP4/HTTP mail server for Windows 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 multi-threading/multi-CPU capabilities, mailing lists, remote control, strong passwords, spam blocker, content filtering, IMAP, and multiple domain.