Set connection time-out limits for POP3

Applies to: Exchange Server 2013

You can use the EAC or the Shell to configure the connection time-out limits for idle authenticated and unauthenticated POP3 connections.

For additional information related to POP3, see POP3 and IMAP4 in Exchange Server 2013.

What do you need to know before you begin?

Tip

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Use the EAC to set connection time-out limits for POP3

  1. In the EAC, navigate to Servers > Servers.

  2. In the list of servers, select the Client Access server, and then click Edit Edit icon.

  3. On the server properties page, click POP3.

  4. Scroll down and click More options.

  5. Under Time-out settings, use the following settings:

    • Authenticated time-out (seconds): ┬áSpecifies the time to wait before closing an idle authenticated connection. The default value is 1,800. The possible values are from 30 through 86,400.

    • Unauthenticated time-out (seconds): Specifies the time to wait before closing an idle connection that isn't authenticated. The default value is 60. The possible values are from 30 through 3,600.

  6. Click Apply, and then click OK to save your changes.

After you've set the connection time-out limits for POP3, you must restart the POP3 services for the settings to take effect. For information about how to restart the POP3 services, see Start and stop the POP3 services.

Use the Shell to set connection time-out limits for POP3

This example sets the connection time-out limit for idle authenticated connections to a server named CAS01.

Set-PopSettings -Server CAS01 -AuthenticatedConnectionTimeout TimeValue

This example sets the connection time-out limit for idle unauthenticated connections to a server named CAS01.

Set-PopSettings -Server CAS01 -PreAuthenticatedConnectionTimeout TimeValue

After you've set the connection time-out limits for POP3, you must restart the POP3 services for the settings to take effect. For information about how to restart the POP3 services, see Start and stop the POP3 services.

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

How do you know this worked?

To verify that you've successfully set connection limits, do one of the following:

  1. In the EAC, navigate to Servers > Servers.

  2. In the list of servers, select the Client Access server, and then click Edit Edit icon.

  3. On the server properties page, click POP3.

  4. Scroll down and click More options.

  5. Under Time-out settings, verify the connection settings are correct.

Or

  1. Run the following command in the Shell.

    Get-PopSettings | format-list
    
  2. Verify the connection settings are correct.

For more information

After you set connection time-out limits for POP3, you may also want to:

Enable POP3 in Exchange 2013

Set connection limits for POP3