postfix domain change

[Alexander Dalloz]

David Hláčik schrieb:
> Hello guys,
> 
> i am using postfix as my mailserver on machine running amanda backup server
> . Amanda sends mails as user amanda - so mail is from
> amanda at backup.net.hlacik.eu (backup.net.hlacik.eu is servers hostname) .
> Unfortunatelybackup.net.hlacik.eu is not valid domain name in outside world
> and our company rented mailserver complains about non - existent domaind and
> delivery is rejected.
> 
> How can i tell postfix to replace backup.net.hlacik.eu to cz.hlacik.eu ?
> 
> Thanks in advance,
> 
> David

http://www.postfix.org/postconf.5.html#mydomain
http://www.postfix.org/postconf.5.html#myhostname
http://www.postfix.org/postconf.5.html#myorigin

Alexander