I can send emails from the domains hosted on the server but i can't receive emails.
I get emails like:
This is the mail system at host ro.sianimage.com.
I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.
For further assistance, please send mail to <postmaster>
If you do so, please include this problem report. You can
delete your own text from the attached returned message.
The mail system
<email@example.com> (expanded from <firstname.lastname@example.org>): Host or domain name not
found. Name service error for name=ro.sianimage.com type=A: Host not found
Reporting-MTA: dns; ro.sianimage.com
X-Postfix-Sender: rfc822; email@example.com
Arrival-Date: Wed, 1 Jul 2009 16:55:35 +0300 (EEST)
Final-Recipient: rfc822; firstname.lastname@example.org
Diagnostic-Code: X-Postfix; Host or domain name not found. Name service error
for name=ro.sianimage.com type=A: Host not found
Can you please help me with this? I really am newbie in linux. All went OK so far, but i can't figure this.