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Manage Send As Permissions for Mail-Enabled Public Folders

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Applies to: Exchange Server 2010 SP3, Exchange Server 2010 SP2

Use the Send As permission to configure a mail-enabled public folder so that users other than the public folder owner can use that mail-enabled public folder to send messages.

The Send As permission isn't granted until after replication has occurred. Replication times depend on your Exchange and network configuration. To grant the permission immediately, stop and then restart the Microsoft Exchange Information Store service.

Also, before you perform this procedure, be aware that you cannot send e-mail messages on behalf of a mail-enabled public folder if the folder is hidden from address lists. When sending a message, Exchange requires that an e-mail address is resolved in the From field. In the case where a message is sent on behalf of a mail-enabled public folder that is hidden from address lists, , the SMTP address is interpreted as an address that is not from your organization (known as a foreign address) and is rejected. For more information about how to change public folder settings, see Configure Public Folder Properties.

In Outlook, users will receive the following errors when attempting to send a message on behalf of a mailbox that is hidden from address lists:

  • Online mode   When users press Send, they will receive the following error: "You do not have permission to send on behalf of the specified user."

  • Cached Exchange Mode   Outlook initially sends the message, but users will receive a non-delivery report (NDR) containing the following message: "You are not allowed to send this message because you are trying to send on behalf of another user without permission to do so. Please verify that you are sending on behalf of the correct sender, or ask your system administrator to help you get the required permission."

Looking for other tasks related to public folders? Check out Managing Public Folders.

What Do You Want to Do?

  • Use the Public Folder Management Console to manage Send As permissions for a mailbox

  • Use the Shell to manage Send As permissions for a mailbox

Use the Public Folder Management Console to manage Send As permissions for a mail-enabled public folder

You need to be assigned permissions before you can perform this procedure. To see what permissions you need, see the "Send As permissions" entry in the Mailbox Permissions topic.

  1. In the console tree, click Toolbox.

  2. In the result pane, double-click Public Folder Management Console.

  3. In the Public Folder Management Console tree, expand Default Public Folders, and then click the parent public folder of the public folder you want to configure.

  4. In the result pane, select the public folder, and then, in the action pane, click Manage Send As Permission.

  5. On the Manage Send As Permission page, select the users or groups to which you want to grant the Send As permission or from which you want to remove the permission.

    • Add   Click this button to open the Select User or Group dialog box. Use this dialog box to select the users or groups to which you want to grant the Send As permission, click OK and then click Manage.

    • Remove icon   Select a user or group, and then click this button to remove the Send As permission from that user or group. After you've removed the user or group, click Manage.

  6. On the Completion page, review the following, and then click Finish to close the wizard:

    • A status of Completed indicates that the wizard completed the task successfully.

    • A status of Failed indicates that the task wasn't completed. If the task fails, review the summary for an explanation, and then click Back to make any configuration changes.

  7. Click Finish close the wizard.

Use the Shell to manage Send As permissions for a mail-enabled public folder

You need to be assigned permissions before you can perform this procedure. To see what permissions you need, see the "Send As permissions" entry in the Mailbox Permissions topic.

Use the Add-ADPermission cmdlet to manage Send As permissions for a mail-enabled public folder. When you use the Add-ADPermission cmdlet, you must specify the name of the public folder on which the Send As permission should be added and the public folder that should be granted the permission. Because the Add-ADPermission cmdlet controls many permissions, you must also specify the Send As permission with the ExtendedRights parameter. For example, to add the Send As permission to contoso\kim on the public folder Sales, use the following command:

Add-ADPermission Sales -User contoso\kim -Extendedrights "Send As"

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