You have an Exchange organization. All servers in the organization have Exchange Server 2010 SP1 installed.
An external user reports that when he sends email messages to the organization, they are not received.
You suspect that the email messages he sends are getting incorrectly identified as spam.
You need to identify which anti-spam filter is blocking the email messages.
What should you do?
A.
Modify the protocol logging level, and then review the protocol logs.
B.
Modify the connectivity log settings, and the review the connectivity logs.
C.
Modify the message tracking settings, and then review the message tracking logs.
D.
Enable pipeline tracing and then review the trace.
Explanation:
Reference:http://technet.microsoft.com/en-us/library/bb125018.aspx
http://blogs.technet.com/b/provtest/archive/2010/07/27/exchange-server-2010-sp1-beta-hosting-deployment-part-7-transport-segregation.aspx?PageIndex=2