You recently implemented a hybrid deployment that contains a Microsoft Exchange Online tenant and an on-premises Exchange Server 2019 server named Server1. The public IP address of Server1 is 131.107.1.100.
The deployment is configured as shown in the following table.
Users hosted in Microsoft 365 report that they receive non-delivery reports (NDRs) when they attempt to send email messages to mailboxes hosted in Exchange Server 2019.
You need to ensure that the email is delivered successfully. The solution must ensure that email delivery is successful for all the users at your company.
What should you do?
A. Configure the remote domain to use a value of contoso.com.
B. Modify the MX record to point to the internal Exchange servers.
C. Configure the Outbound connector to use a smart host of 131.107.1.100.
D. Configure the accepted domain to use a value of *.
