WorkgroupMail is a full featured mail server - Windows Shareware $110. WorkgroupMail is a full featured mail server, which can provide any size organization with secure and dependable messaging. WorkgroupMail includes spam filtering, content filtering, server-based virus protection mailing list and shared address book functions.

It can function with ISPs or can be used as a standalone mail server if you host your own domain. It will support POP3 or IMAP mail clients, such as Outlook, Outlook Express and Eudora. It also provides web-based access to your e-mail. This server can be administered either through a standard Windows interface or through a web browser.