Message Approval
Distribution list members receives the email sent to the distribution list. They can also post email message to the list.
To grant message approval to a distribution list member navigate to the following path:
Click on Manage and then select Distribution List tab. Select the distribution list for which you wish to add a new member. Click on Message Approval tab and check option to manage message approval and select the list member from Mailbox drop-down list. Click the Save button.