[BlueOnyx:10987] Re: Server error: '554 5.0.0 rewrite: excessive recursion (max 50), ruleset canonify'

[Christoph Schneeberger]

On 07/22/2012 03:46 PM, Gerald Waugh wrote:
> On 07/22/2012 05:01 AM, DD wrote:
>>
>> Still having problems.
>>
>> PTR for 83.170.92.204 points to mtbe.co.uk and the domain no longer 
>> uses CNAMEs. I still see the same error when I try to email 
>> someone at mtbe.co.uk <mailto:someone at mtbe.co.uk>
>>
>> Double-checking, I have mtbe.co.uk as web and email alias, both mtbe 
>> and www.mtbe <http://www.mtbe> appear in /etc/mail/local-host-names
>>
> You still have 'CNAME' from here
> Do not use 'cname' for any of your DNS....
> ==================================
> [root at sv1 web]# dig MX www.mtbe.co.uk
>
> ; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6 <<>> MX www.mtbe.co.uk
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 12868
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;www.mtbe.co.uk.                        IN      MX
>
> ;; ANSWER SECTION:
> www.mtbe.co.uk.         3600 IN      CNAME   mtbe.co.uk.
> mtbe.co.uk.             3600    IN      MX      0 mail.mtbe.co.uk.
> ==================================
>
> Also I see the priority is '0' is that valid?
> Maybe change and see if it helps.

0 is a perfectly valid MX pref. (16bit unsigned int per RFCs) - one 
might argue if its smart to use it but it's valid. But I fully I second 
your statement regarding CNAMEs, the record for www is quite sure the 
culprit here.

Cheers,
Christoph
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