I am using Running Small Business Server 2008 Standard with Service Pack 2 and have imported a certificate from GoDaddy to be used for TLS on SMTP. We have a third party vendor that we partner with and have TLS encryption set up so our email is encrypted from our exchange 2007 server to their server. It was working fine until I needed to renew the certificate. After I renewed the certificate TLS does not work. I binded the certificate thumbprint to the SMTP server and used the SBS Certificate Wizard. Everything seems to be fine (OWA, Outlook clients, RWW) but for some reason I cannot get TLS for SMTP to work. When I run a test from outside the company it is seeing another certificate that is self signed. Do I need to remove any of the self signed certificates before this one will work. I dont mess around with exchange certificates too much so trying to be careful here not to distrub anything. Any help would be appreciated.
Thanks,
Len