System Administration Guide
Chapter 7, Connecting to other computers with UUCP

Verifying that your site name is unique

Verifying that your site name is unique

Make sure that the first seven characters of your sitename name are unique. If your machine is connected directly to a machine with the same sitename, UUCP does not allow communication with that machine. If both your machine and another machine with the same name are not directly connected, but are on the same UUCP network, electronic mail may go to the wrong machine.

To check the sitename use the uname(C) command. To change the sitename, see ``Changing the system name'' in the Mail and Messaging Guide.