Allow Cross-Site POP3 and IMAP4 Client Connectivity
[This is pre-release documentation and subject to change in future releases. This topic's current status is: Revising Per Edit.]
Applies to: Exchange Server 2010* *Topic Last Modified: 2009-05-19
You can allow your POP3 and IMAP4 clients to connect to their mailbox from one site in your organization when their mailbox is located in a different site in your organization. This setting is not enabled by default. This feature can only be performed by using the Exchange Management Shell.
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Use the Shell to enable or disable cross-site POP3 or IMAP4 client connectivity
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This example enables cross-site IMAP4 connectivity:
Set-IMAPSettings -AllowCrossSiteSessions
This example enables cross-site POP3 connectivity:
Set-POPSettings -AllowCrossSiteSessions
Restart the IMAP4 service or the POP3 service. You must restart the service you are using to start the process of replicating this settings change to all of your domain controllers.
Note Although running this command changes this setting in exADNoMk, you may have to wait several hours for the change to be replicated to all of the domain controllers in your organization to be correctly applied.
For more information about syntax and parameters, see Set-ImapSettings and Set-PopSettings topics.
Other Tasks
After you enable or disable cross-site POP3 or IMAP4 client connectivity, you may also want to:
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