What should you do?

You have a Microsoft Exchange Online tenant that uses an email domain named contoso.corn.

An in-caning email messages route through an third-party filtering service named Filter1 to connector named Connector’.

You discover that incoming messages contain headers that specify the source IP address as Filter1.

You to ensure that incoming email messages contain headers that specify source IP address of the original sender. The solution must prevent any charges to the service.

What should you do?
A . From Microsoft 365 Defender portal configure enhanced filtering for Connector1.
B. Configure Connector’ to authenticate messages by using the IP address of Filter’ service.
C. Configure the MX Of contoso.com to point to contoso-can.mailgotection.outbok.com.
D. From the Exchange admin center. create a transport rule to rewrite header for incoming messages.

Answer: C