Configure POP3 Access to Exchange 2007 Servers

[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

This topic explains how to use the Exchange Management Shell to configure your connectivity options for connecting to servers running Microsoft Exchange Server 2007 by using POP3. By using the settings for this cmdlet, you can specify the ports to use to connect computers running Exchange Server 2010 that have the Client Access server role installed to Exchange 2007 servers. By default, this value should be set to use port 110. This cmdlet also lets you disable access to Exchange 2007 servers. 

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Prerequisites

You can configure exExchange2010 Client Access servers to connect to mailboxes located on exExchange2k7 servers. However, when you do this, you must disable Secure Sockets Layer (SSL) encryption and enable Basic authentication on the exExchange2k7 server. Because the user name and password are sent in clear text when Basic authentication is used without encryption, we recommended that you secure the traffic between the Client Access server and the exExchange2k7 server by using Internet Protocol security (IPsec).

Use the Shell to configure POP3 access to Exchange 2007 servers

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This example configures POP3 access to Exchange 2007 servers by using the default port value of 110:

Set-PopSettings -ProxyTargetPort 110

This example disables POP3 access to Exchange 2007 servers:

Set-PopSettings -ProxyTargetPort 0

For more information about syntax and parameters, see Set-PopSettings.

Other Tasks

After you configure POP3 access to Exchange 2007 servers, you may also want to:

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For More Information

• Understanding POP3 and IMAP4
• Managing POP3 and IMAP4