Set the port

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

To set the port

Open POP3 service.
In the console tree, right-click the computer_name node and click Properties.

Where?
- POP3 Service/computer_name
In Server Port, type an appropriate port number from 1 to 65535.

Important

If you change this parameter, you must stop and restart the POP3 service. For more information on changing the POP3 service state, see Related Topics.

Notes

To perform this procedure, you must be a member of the Administrators group on the local computer, or you must have been delegated the appropriate authority. If the computer is joined to a domain, members of the Domain Admins group might be able to perform this procedure. As a security best practice, consider using Run as to perform this procedure.
To open the POP3 service snap-in, click Start, click Control Panel, double-click Administrative Tools, and then double-click POP3 Service.
The port used by the POP3 service is configured by default to 110, the Internet standard for the POP3 protocol. If you change the port from 110, you must notify users to configure their e-mail clients to reflect the change.
If you are using Active Directory integrated authentication, you must log on to the Active Directory domain, not the local computer, to perform this procedure.

Value	Description
winpop set port	Sets the port that POP3 service monitors for clients.
port_number	Specifies any valid port number from 1 to 65535.

Important

If you change this parameter, you must stop and restart the POP3 service. For more information on changing the POP3 service state, see Related Topics.

Notes

To perform this procedure, you must be a member of the Administrators group on the local computer, or you must have been delegated the appropriate authority. If the computer is joined to a domain, members of the Domain Admins group might be able to perform this procedure. As a security best practice, consider using Run as to perform this procedure.
To open a command prompt, click Start, point to All programs, point to Accessories, and then click Command prompt.
If you are using Active Directory integrated authentication, you must log on to the Active Directory domain, not the local computer, to perform this procedure.
The port used by the POP3 service is configured by default to 110, the Internet standard for the POP3 protocol. If you change the port from 110, you must notify users to configure their e-mail clients to reflect the change.
To view the complete syntax for this command, at a command prompt, type:

winpop set help

Your server might function differently based on the version and edition of the operating system that is installed, your account permissions, and your menu settings. For more information, see Viewing Help on the Web.