[AusNOG] [SHAME] spamrats.com

[Jake Anderson]

Everybody seems to be assuming that the OP owns the entire /24.
 From the sound of his posting that is not the case, it sounds like he 
owns a handful in that range and is being punished for his "neighbors" 
actions, which for a "spam filter" service is just plain daft.

On 10/01/13 16:59, Noel Butler wrote:
> On Thu, 2013-01-10 at 13:08 +1000, Julian DeMarchi wrote:
>> On 01/10/2013 01:04 PM, Paul Fraser wrote:
>> > Not that I agree with it, but I thought this was pretty much the norm as a spam mitigation technique...
>>
>> A /32 yes. You can't block a whole /24 for no PTRs... I wouldn't be
>> running 252 mail servers on one subnet...
>>
>
> RFC 1912, Section 2.1 says every Internet-reachable host should have a 
> name and "Make sure your PTR and A records match" and "For every IP 
> address, there should be matching PTR record in the in-addr.arpa domain"
>
> its DNS 101
>
> but I agree they have taken things to the extreme IF you DID have some 
> hosts with valid A and PTR's in that block.
>
> Just as well they are not commonly used, perhaps this is why, just as 
> bad a apews and a few others.
>
>
>
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