>Alessandro Vesely wrote:
>> For example, Lucio's server could have matched the bad MX 20
>> of domain.com, unable to recognize its own IP address because it sits
>> behind a NAT, and unable to recognize its own name since the DNS hid
>> it.  If it had used the good MX record by default, it would have
>> violated the SMTP prohibition to relay to a host at the same
>> preference level.

On 26.06.12 23:16, Lucio Crusca wrote:
>I don't quite get why (and it's crucial I understand it before I tell the
>other domain tech contact it's his fault).

Pointing the MX to an IP address _IS_ his fault. MX points to a domain 
name and IP address is _not_ a domain name.  RFC 1035, section 3.3.9.

I don't see any reason why you should not contact/blame domain admin 
when the MX is clearly broken
-- 
Matus UHLAR - fantomas, [email protected] ; http://www.fantomas.sk/
Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
BSE = Mad Cow Desease ... BSA = Mad Software Producents Desease

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