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Configure Ports for POP3 Authentication

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

You can use the EMC and the Shell to configure Exchange to use ports other than the default ports for POP3 authentication.

Note

After you've configured ports for POP3 authentication, you must restart the POP3 service. For more information about how to restart the POP3 service, see Start and Stop the POP3 Service.

Looking for other management tasks related to setting up POP3 and IMAP4? Check out Managing POP3 and IMAP4.

Use the EMC to configure ports for POP3 authentication

You need to be assigned permissions before you can perform this procedure. To see what permissions you need, see the "POP3 and IMAP4" entry in the Client Access Permissions topic.

  1. In the console tree, navigate to Server Configuration > Client Access.

  2. In the work pane, click the POP3 and IMAP4 tab.

  3. Select IMAP4 and then, in the action pane, under POP3, click Properties.

  4. On the Binding tab, do one of the following:

    • To configure ports for TLS or unencrypted connections, under TLS or Unencrypted Connections, click Edit. Under Port to Use, in the box next to Port, enter a port number.

    • To configure ports for SSL connections, under Secure Sockets Layer (SSL) Connections, click Edit. Under Port to Use, in the box next to Port, enter a port number.

  5. Click OK to save your changes.

Use the Shell to configure ports for POP3 authentication

You need to be assigned permissions before you can perform this procedure. To see what permissions you need, see the "POP3 and IMAP4" entry in the Client Access Permissions topic.

This example sets the port for unencrypted or TLS POP3 connections to a value other than the default port number.

Set-PopSettings -UnencryptedOrTLSBindings IPaddress:Port

This example sets the port for SSL POP3 connections to a value other than the default port number.

Set-PopSettings -SSLBindings IPaddress:Port

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

Other Tasks

After you configure ports for POP3 authentication, you may also want to:

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