Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.
One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.
You will then follow that by rerunning the Configure Email and Internet Connection Wizard (CEICW -- which is linked as Connect to the Internet in the Server Management Console > Internet and Email)
A visual how-to is here: http://sbsurl.com/ceicw
You can recreate the server certificate within the CEICW.
Jeff
TechSoEasy