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.
|outlook error on specific email address||6||64|
|Suppress Outlook security alert about name mismatch on ssl certificate||20||163|
|OS X Mail will not connect to Microsoft Hosted Exchange||7||62|
|Rename an incorrect user email address spelling in Exchange 2011||2||44|