Public Folder Properties > Mail Flow Settings Tab > Message Delivery Restrictions
Microsoft Exchange Server 2007 will reach end of support on April 11, 2017. To stay supported, you will need to upgrade. For more information, see Resources to help you upgrade your Office 2007 servers and clients.
Applies to: Exchange Server 2007 SP1, Exchange Server 2007 SP2, Exchange Server 2007 SP3
Use the Message Delivery Restrictions dialog box to configure message delivery restrictions for the mail-enabled public folder. Message delivery restrictions can be useful for controlling access to specific mail-enabled public folders in your Microsoft Exchange Server 2007 organization.
You can configure the following message delivery restrictions for a mail-enabled public folder.
Accept messages from
Select one of the following options for accepting messages:All senders The mail-enabled public folder will accept messages from all senders, both senders in the Exchange organization and external senders. This is selected by default.
Note
This option includes external users only if you clear the Require that all senders are authenticated check box. If this check box is selected, messages from external users will be rejected, even if All senders is selected.
Only senders in the following list The mail-enabled public folder will accept messages only from a specified set of senders in the Exchange organization:
Click Add to select senders from whom to accept messages. The Select Recipient dialog box displays a list of all recipients in the Active Directory directory service forest. Select the recipients you want, and then click OK. You can also search for a specific recipient by typing its name in the Search box, and then clicking Find Now.
Click to delete the selected sender from the list.
Require that all senders are authenticated Select this check box to prevent anonymous users from sending messages to the public folder.
Reject messages from
Select one of the following options:No senders The public folder will not reject messages from any senders in the Exchange organization. This is selected by default.
Senders in the following list The public folder will reject messages from a specified set of senders in the Exchange organization:
Click Add to select senders from whom the public folder will reject messages. The Select Recipient dialog box displays a list of all recipients in the Active Directory forest. Select the recipients you want, and then click OK. You can also search for a specific recipient by typing its name in the Search box, and then clicking Find Now.
Click to delete the selected sender from the list.
For More Information
For more information about public folders, see the following topics: