How to Configure Message Delivery Restrictions in Exchange Server 2010

We can use message delivery restrictions in Exchange Server 2010 to control on message flows to specific recipients in your Exchange organization. For example, we can configure who can send messages to you, if messages from external users will be accepted or not.

We can configure message delivery restriction in Exchange Server 2010 from EMC and from Shell.

How to Configure Message Delivery Restrictions from EMC

1. Open the Exchange Management Console from the Start menu.

2. Click on the Recipient Configuration.

3. In the detail pane, open the Properties of recipient for which you want to configure restrictions.

4. Click on the Mail Flow Settings tab.

5. Select Message Delivery Restrictions from the list; and then click Properties. You will see below options:-

· All senders- By default, this button is selected which allows users to accept messages from any sender (Internal or External).

· Require that all senders are authenticated- If we select this check box, messages from external senders will be rejected.

· Only senders in the following list- Only specified recipients can send you the messages.

· Require that all senders are authenticated- This option will prevent messages from anonymous users.

· No Senders- This option is selected by default which means, recipient will not reject messages from any senders.

· Senders in the following list- Clicking this option will prevent recipient for receiving messages from specified set of senders.

6. Click Ok to save the settings.

How to use Exchange Shell to Configure Message Delivery Restrictions

Below example will configure SachinM mailbox to receive messages only from MikeP, BaibaR and distribution group Storage Department:-

Set-Mailbox -Identity "SachinM" -AcceptMessagesOnlyFrom "MikeP","BaibaR" -AcceptMessagesOnlyFromDLMembers "Storage Department"