Microsoft published a new user guide for Microsoft Forefront Security for Exchange Server
Forefront Security for Exchange protects organizations against the latest threats by managing multiple antivirus scan engines at multiple layers throughout the e-mail infrastructure. This approach allows Forefront for Exchange to minimize the average window of exposure for emerging e-mail threats by providing continual signature updates from multiple antivirus labs around the world. Forefront also protects by scanning at multiple layers in the Exchange 2007 infrastructure, including the Edge, Hub Transport, and Mailbox server roles, while using scanning intelligence to avoid needless repeat scanning.Microsoft Forefront Security for Exchange Server
