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and development department users are members of a distribution group named rdev. Rdev receives an average of 2,000 email messages daily.

You need to ensure that email sent to the rdev distribution group meets the security requirements for confidential em

ail. The solution must minimize administrative effort.

What should you do?

A. Create linked mailboxes for users without security clearance.

B. Create a transport rule that filters based on keyword predicates.

C. Create mail contacts for users without

security clearance.

D. Edit the distribution group properties and enable moderation of the group.

Actions in mail flow rules (also known as transport rules) specify what you want to do to messages that match conditions of the rule.

References:

https://technet.microsoft.com/en-us/library/aa998315(v=exchg.160).aspx