Extensible Messaging Platform (POP3 Gateway brand) is a SPAM filtering firewall server application. Protects Exchange Server, Domino, GroupWise or any SMTP mail server from Internet SPAM, e-mail-borne viruses (including dangerous auto-launch viruses) and other objectionable content. Filters mail using complex contextual signatures (not simple keyword lists). The use of contextual signatures results in high success and extremely low false-positive rates. Additional features include automatic XML extraction/database insertion, optional POP3 retrieval, comprehensive user-definable contextual filtering, content-based message routing and developer API. License includes JAK filter capsule so it's armed to block SPAM "right out of the box". Installs as Windows Service or UNIX server.

Extensible Messaging Platform Anti-Spam Filter 4.6 was released by J.A. Korsmeyer, Inc. on Saturday 17 May 2003. Its known requirements are : Local SMTP compliant mail server.
Extensible Messaging Platform Anti-Spam Filter will run on Windows 2000, Windows NT and Windows XP.