What should you configure?

7.500 Server busy, please try again later.

You need to prevent inbound email delays.

What should you configure?
A . Organization Sharing
B . an MX record for the domain
C . a transport rule
D . a connector

Answer: D

Explanation:

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