Your company network includes Microsoft Exchange Server 2007 and Forefront Protection for Exchange Server (FPE) 2010 in a Windows Server 2008 environment. You use the FPE console to monitor all…

Your company network includes Microsoft Exchange Server 2007 and Forefront Protection for Exchange Server (FPE) 2010 in a Windows Server 2008 environment. You use the FPE console to monitor all antivirus and antimalware (anti-malicious software) engines. You detect that a spam attack has occurred. You need to create a filter that identifies words repeated in the body of email messages. Which type of filter should you use?