Configuration problem

[Rohit Khamkar]

I have a mail server set on my machine. When I run a ./config , the qmail
script gives a hard error saying it could not find hosts name in canonical
form.      So the next thing I do is so set up the control files manually and
after which qmail starts working. My mail server host is buyerzone.com but if
I have this as the line in the control/me file qmail fails to deliver anything
anywhere. When I make this www.buyerzone.com , only it works. I dont
understand why this is happeneing. Also I can only send mails internally using
the login ids and not the full addresses. Again this is what is confusing me.
Any help in this would be helpful.

Thanx
Rohit