[torqueusers] Problems with torque/maui mailing lists: missing PTR for supercluster.org IP

David Beer dbeer at adaptivecomputing.com
Thu Jan 17 11:56:10 MST 2013


I have passed this information along to our IT department and I'll let you
know once it is fixed.

David

On Thu, Jan 17, 2013 at 1:43 AM, <thomas.zeiser at rrze.uni-erlangen.de> wrote:

> Hello,
>
> since probably beginning of December, I have severe problems
> receiving emails from the torque and maui mailing lists. Our mail
> server refuses to accept any emails from supercluster.org because
> of a missing PTR Resource Record in DNS. Because of the missing
> PTR, reverse DNS lookups do not work for supercluster.org's IP.
>
> Jan 16 11:01:58 bolte82 postfix-rz-in/smtpd[26316]: NOQUEUE: reject:
> RCPT from unknown[68.178.11.139]: 550 5.7.1 Client host rejected:
> cannot find your reverse hostname, [68.178.11.139];
> from=<torqueusers-bounces at supercluster.org>
> to=<thomas.zeiser at rrze.uni-erlangen.de> proto=SMTP
> helo=<http.supercluster.org>
>
>
> $ host supercluster.org
> supercluster.org has address 68.178.11.139
> supercluster.org mail is handled by 0 supercluster.org.
> supercluster.org mail is handled by 10 clusterresources.com.
>
>
> $ nslookup 68.178.11.139
> ** server can't find 139.11.178.68.in-addr.arpa.: NXDOMAIN
>
>
> Google's Public DNS servers tells exactly the same:
>
> $ nslookup 68.178.11.139 - 8.8.8.8
> Server:         8.8.8.8
> Address:        8.8.8.8#53
> ** server can't find 139.11.178.68.in-addr.arpa.: NXDOMAIN
>
>
> Thus, it does not seem to be a local issue at our side but
> something Adaptive Computing (or who ever owns supercluster.org)
> has to fix.
>
>
> Kind regards,
>
> Thomas Zeiser
> _______________________________________________
> torqueusers mailing list
> torqueusers at supercluster.org
> http://www.supercluster.org/mailman/listinfo/torqueusers
>



-- 
David Beer | Senior Software Engineer
Adaptive Computing
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