for Fuzzione re: certificate error:
1. You are only doing this for your @rogers.com email addresses ?
2. What are you using for the incoming and ougoing server names?: I am using both of the following sets in Outlook 2010 and not getting any cert mismatch errors for either of them:
pop.broadband.rogers.com
smtp.broadband.rogers.com
pop.mail.yahoo.com
smtp.mail.yahoo.com