his is the mail system at host web1.1450thesource.org.
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
<it-1450thesource.org@web1> (expanded from it@1450thesource.org): Host or domain name not found. Name service error for name=web1 type=A: Host not found
system hostname is web1.1450thesource.org. Any ideas?
Hmm, it sounds like something, somewhere, is trying to deliver to "web1" rather than the full "web1.1450thesource.org".
A quick fix would be to edit /etc/postfix/main.cf, and add "web1" to the end of your "mydestination" line, which will tell Postfix to deliver those emails.
When you're done, restart Postfix with "/etc/init.d/postfix restart".
-Eric