From the developer: "Woppoware's PostMaster is a combination mail server (POP3 / SMTP), and proxy server. It allows machines connected to LAN to access mail/web via a single modem/internet connection. The mail server offers rich features, including scheduled deliveries, auto-forwarding, auto-reply, mail lists, spam control, anti-virus integration, attachment filtering. Mail distribution via domain name or using a single email account. The proxy server contains inbuilt HTTP, FTP & SOCKS servers, as well as unlimited user defined TCP or UDP proxies."