Exchange-Genie

Yesterday Microsoft released Rollup 7 for RTM and Rollup 3 for SP1

This update contains a few CRITICAL updates and should be applied
http://www.microsoft.com/technet/security/bulletin/MS08-039.mspx

Rollup3 SP1
http://www.microsoft.com/downloads/details.aspx?FamilyId=63E7F26C-92A8-4264-882D-F96B348C96AB&displaylang=en
http://support.microsoft.com/?kbid=949870

Rollup 7 RTM
http://www.microsoft.com/downloads/details.aspx?FamilyId=086A2A13-A1DE-4B1D-BD12-B148BFD2DAFA&displaylang=en
http://support.microsoft.com/?kbid=953469