In this scenario you have a problem connecting to a network resource. You receive only a "Network path not found" error message and no further assistance. You have no idea where to start troubleshooting the problem.
Now that you have configured internal mail and have learned about various Internet connectivity scenarios,
you are ready to connect your Exchange organization to the Internet. This section contains procedural information about how to configure your Microsoft Exchange Server 2003 organization to send and receive Internet mail.