Administrators can now set email policy rules using regular expressions, which allows for inbound and outbound filtering on content like social security numbers, phone numbers and other structured information.

Editions impacted:
Premier Edition

Languages impacted:
US English

How to access what's new:
Sign in to the Premier Edition administrative control panel and launch the Postini management interface to configure email policy management rules.

For more information:
http://groups.google.com/group/PostiniSupportForGoogleApps