Mail Attender Enterprise Edition
"Mail Attender Enterprise provides comprehensive content management in PST files (personal storage folders) on desktops/servers, mailboxes and public folders. With MA Enterprise, administrators can distribute/enforce common policies, archive data and search content in multiple information stores from a central web interface. Also, can track statistical information such as total message/attachment count, size and type while tracking usage of individual users. Works with Exchange 5.5, 2000 or 2003. http://www.sherpasoftware.com/ CONTENT"