I searched this topic on this site, and I got a few similar threads, but don't know how to fix the problem. The problem my LAN email users have is that pop-up "Security Alert....The name on the security certificate is invalid or does not match the name of the site". I see the problem, but don't know how to fix, because my LAN users connecting to the Exchange 2007 with the server name "sbfexc01.sandberg.local", and the SSL Certificate for OWA users is "webmail.sandbergfurniture.com".