You have an Exchange organization named contoso.com. All servers in the organization have Exchange Server 2010 SP1 installed. The organization contains a mail-enabled domain local group name Group1.
Users from outside the organization report that all email messages sent to [email protected] generate a non-delivery report (NDR).
You need to ensure that users from outside the organization can successfully send email to [email protected].
What should you modify for Group1?
A. The advanced settings.
B. The mail flow settings.
C. The group scope.
D. The group type.
