Hey guys need some help understanding TLS. If we start offering this, do we need to setup multiple NAT IPs, do we need multiple certs for every customer we want to offer TLS to? Or do I just need 1 cert and our current IP? We run 3 EDGE servers would each Edge servers need a cert? Thanks!

http://www.shudnow.net/2008/11/08/exchange-2007-mail-flow-dns-records-connectors-and-tls/ and http://www.shudnow.net/2008/02/10/client-to-server-secure-smtp-connectivity-in-exchange-server-2007/ are two articles I found that should help.