Got my mailserver up and running but not the way i want..!

i've got a domain name (dns record) "mail.test.nl" pointing to an
ip nr with a computername "zzz.test.nl"

in the main.cf config file, i told postfix that the dns is mail.test.nl
myhostname = mail.test.nl
mydomain = mail.test.nl
myorigin = mail.test.nl

but postfix keeps on using the default hostname (zzz.test.nl)
and there for the mail is not send, coz' zzz.test.nl is not a fqdns !!
how can i force Postfix to use real dns (mail.test.nl) instead of the local hostname ??

postconf show's the right name (mail.test.nl)
and postconf -d not (zzz.test.nl)

how can i make postfix mail ??
(i can recieve mail on the domain, it's sending that give the problem!)

Help Help Help Please.....

Greetings

Collen

What are the errors your are getting? Or is the queue just filling up? You should see errors in your log file (/var/log/mail or somesuch). Is the mail being rejected?

You probably just want collen@example.net, not collen@mail.example.net right? (I'm changing your test.nl to example.net, which is one of the "offical" example domains.)

1 Make sure the example.net has a MX record pointing to mail.example.net (Not your problem right now)
2. Take a look at ADDRESS_REWRITING_README in the postfix distrobution (on my debian box: /usr/share/doc/postfix/ADDRESS_REWRITING_README.gz)
3. postconf -e "masquerade_domains = example.net"
This will rewrite collen@zzz.example.net to collen@example.net

Hope this helps,
chris