OSEC

Neohapsis is currently accepting applications for employment. For more information, please visit our website www.neohapsis.com or email hr@neohapsis.com
 
Re: Host or domain name not found

From: Keith Matthews (postfixfrequentous.co.uk)
Date: Thu Dec 01 2005 - 13:45:18 CST


On Thu, 01 Dec 2005 20:28:48 +0100
mouss <usebsdfree.fr> wrote:

> Tanner Postert a écrit :
> > I keep getting an error message when sending to this certain domain.
> >
> > Here is the error message in the maillog:
> >
> > Nov 23 17:55:01 tempe-email-01 postfix/smtp[2986]: 407686D8F0:
> > to=<userdomain.com <mailto:userdomain.com>>, relay=none, delay=2,
> > status=deferred (Host or domain name not found. Name service error
> > for name=domain.com <http://domain.com> type=MX: Host not found, try
> > again)
> >
> > but if i do: host -t mx domain.com <http://domain.com>
> > i get:
> > domain.com <http://domain.com> mail is handled by 10
> [snip]
> >
> > I don't quite understand how i can be getting proper dns reponses
> > manually, but postfix can't resolve them, and it's only for this
> > domain (that i know of) other external emails work just fine.
>
> chroot issue?
>

Unlikely if it only affects one domain. Sounds more like a badly
configured DNS server somewhere. We had a case like that on the list
about 6 months ago.

Of course if he had let us know the real domain that was causing trouble
we could have checked it out.

--
Due to excessive spam as a result of archiving of this list I only
accept mail through the list server.