What should you do to test incoming Simple Mail Transfer Protocol (SMTP) connectivity to your Windows Small Business Server 2011 Standard server?

You are the administrator for a network that runs Windows Small Business Server (SBS) 2011 Standard. You need to test incoming Simple Mail Transfer Protocol (SMTP) connectivity to your Windows Small Business Server 2011 Standard server. What should you do?

A.
Run Message Tracking.

B.
Run the Mail Flow Troubleshooter.

C.
Run the Remote Connectivity Analyzer.

D.
Run the Microsoft Exchange Best Practices Analyzer.