I should have added...

On Tue, Apr 10, 2001 at 03:20:34PM -0400, gabriel rosenkoetter wrote:
> If you use a FQDN in your hostname field (which isn't actually
> correct), you can change this by running hostname(1) with an
> argument (what to change the hostname to) as root.

... but none of this should affect mail delivery, which is only
interested in DNS to find your machine and your mail transport
agent accepting mail when it is addressed by the name you want to
use. (Consult your MTA's documentation for how to do this, as it
varies widely.)

       ~ g r @ eclipsed.net