Help. I'm DNS illiterate

[Kevin Darcy]

"Relaying denied" is usually a mail configuration problem rather than a
DNS problem.

But, what is the name of the domain in question? It's kind of hard to
troubleshoot something when you don't know what it is...


- Kevin

sysadmin at up-link.net wrote:

> I'm having a bad problem here with my DNS. We host around 50 domains
> and I have one that gets hit and miss email. All of our domains with
> the exception of this one have web and mail on the same server. That's
> not possible with this one. We have their mail on one server and their
> web on a cobalt raq4 that has sendmail. We prefer to use qmail since
> that is what we have always used.
>
> The problem is, you can send mail to them fine. They can send mail out
> fine. If you do a reply to one of their emails, it will bounce
> SOMETIMES with a relay denied error. I don't know which direction to
> go and what to look at. Any help would be greatly appreciated and I
> can provide any examples any of you might need.