What should you use?

Your company named Contoso, Ltd. has a Microsoft Exchange Online subscription.

You have several transport rules. The rules automatically apply a disclaimer to email messages that contain certain keywords in the subject and are sent to recipients in an email domain named fabrikam.com.

You receive a report that some messages are delivered without the disclaimer.

You need to view which transport rules were applied to messages sent to the fabrikam.com recipients.

What should you use?
A . the SMTP protocol logs
B . a URL trace
C . the transport server logs
D . a message trace

Answer: D

Explanation:

Reference: https://docs.microsoft.com/en-us/exchange/monitoring/trace-an-email-message/run-a-message-trace-andview-results