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Configuring POP3 authentication options on servers that use Internet Site documents
On servers that use Internet Site documents, the POP3 service obtains port authentication settings from the Security tab of the POP3 Site document, rather than from the Server document. As a result, when Internet Site documents are used, the TCP/IP and SSL port authentication settings described in the procedures that follow are not available in the Server document. Settings in the Server document still provide the port numbers and status for the POP3 TCP/IP and SSL ports, and enable the POP3 ports to honor server access restrictions.
To determine whether the use of Internet Site documents is enabled for a server, check the value of the following field on the Basics tab of the Server document: "Load Internet configurations from Server\Internet Sites documents." If this field is set to "Enabled," the server uses Internet Site documents to configure all of its Internet protocols (POP3, IMAP, SMTP, and so forth).
If the server uses Internet Site documents, then you must use Site documents to configure all Internet protocols on the server. If a POP3 Site document is not present in the Domino Directory, or the authentication options in a configured POP3 Site document are set to No, users cannot connect to the POP3 service. In each case, POP3 clients receive the following error when attempting to connect to the POP3 service:
1. From the Domino Administrator, click the Configuration tab and then open the Server document for the server that runs the POP3 service.
2. Click the Ports - Internet Ports - Mail tab.
3. To enable the default TCP/IP port, in the Mail (POP) column, change the value of the TCP/IP port status field to Enabled.
4. Click Save and Close or edit additional settings, as directed in the following procedure.
Note On servers with multiple TCP/IP ports, by default, the POP3 service uses the port listed first in the NOTES.INI file as the preferred path. If you want the service to use a port other than the default one, you can configure it to use a specific port.
To configure the POP3 TCP/IP port
3. In the Mail (POP) column, complete these fields, and then click Save and Close:
To enable and configure the POP3 SSL port
1. Familiarize yourself with the Domino security model and set up SSL on the Domino server.
2. From the Domino Administrator, click the Configuration tab and then open the Server document for the server that runs the POP3 service.
3. Click the Ports - Internet Ports - Mail tab.
4. In the Mail (POP) column, complete these fields, and then click Save and Close:
Performing additional POP3 configuration
In addition to configuring the POP3 service port, you can customize the operation of the POP3 service by setting variables in the server's NOTES.INI file. Variables used to configure the POP3 service begin with the prefix "POP3."
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