On Wed, Aug 14, 2002 at 09:46:46AM +0200, Ralf G. R. Bergs wrote:
> 2002-08-12 18:20:11 17eHvP-00042x-00 ** John.Doe@???
> <John.Doe@???> F=<>: all relevant MX records point to
> non-existent hosts
> According to Exim "all relevant MX records point to non-existent hosts," which
> is wrong, of course:
> WWW:~# mx daimlerchrysler.com
> daimlerchrysler.com MX 10 fxshpr07.extra.daimlerchrysler.com
> daimlerchrysler.com MX 10 fxodpr12.extra.daimlerchrysler.com
> WWW:~# host fxshpr07.extra.daimlerchrysler.com
> fxshpr07.extra.daimlerchrysler.com A 129.9.80.164
> WWW:~# host fxodpr12.extra.daimlerchrysler.com
> fxodpr12.extra.daimlerchrysler.com A 129.9.82.72
[snip]
> Could this be the problem? To my knowledge it's a violation of certain
> applicable RFC's NOT to return an ICMP echo request, but would Exim treat an
> MX as invalid because of this?!
>
> I can be pretty sure that we didn't have a temporary nameserver failure at
> that time because other mail activity was fine at that time.
Can you be sure that daimslerchrysler didn't, though? I strongly recommend
http://www.squish.net/dnscheck/ for checking what happens with DNS. Though
it does appear that everything is fine with daimslerchrysler at the moment.
MBM
--
Matthew Byng-Maddick <mbm@???> http://colondot.net/
