An Update for Windows Mail Junk E-mail Filter [October 2011] (32-bit and 64-bit) is available to download.
Overview
Install this update for Windows Mail to revise the definition files that are used to detect e-mail messages that should be considered junk e-mail or that may contain phishing content. After you install this item, you may have to restart your computer.
System requirements
Supported Operating Systems: Windows Vista Service Pack 2