Exchange 2010 – Restrict Sending to Distribution Lists

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Using Exchange 2010 you are able to restrict a distribution list in three ways, allowing or disallowing external email addresses, allowing specified senders and disallowing specified senders.

To configure message delivery restrictions for a distribution list:

  1. In the Exchange Management Console, expand the ‘Organization Configuration’ node, and then select the ‘Distribution List’ node
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  3. Once you have located the desired Distribution Group, double-click on the object
  4. Select the ‘Mail Flow Settings’ tab
  5. Select ‘Message Delivery Restrictions’ then click on the ‘Properties’ button
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  7. Use the options provided to make the required restrictions. For example, only members of ‘Executive Support’ and ‘Human Resources’ are able to send messages to this distribution list.
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  9. Click ‘OK’ and ‘OK’ again to save the changes.