What should you do?

You have a Microsoft Exchange Online tenant.

The mail exchanger (MX) record of your company points to a third-party message hygiene provider that forwards email messages to the tenant.

You need to ensure that Exchange Online can filter the email by using the original IP

address of the sender’s company.

What should you do?
A . Modify the Inbound connector to use the -EFSkipIPs parameter.
B . Modify the Receive connector to use the -EFSkipIPs parameter.
C . Enable DMAR
E . Create a remote domain.

Answer: A

Explanation:

Reference: https://docs.microsoft.com/en-us/exchange/mail-flow-best-practices/use-connectors-to-configure-mail-flow/enhanced-filtering-for-connectors