Renaud Allard wrote:
> Marc Perkel wrote:
>
>   
>> I have a blacklist and whitelist where you can match the host address.
>>
>> hoztname.hostkarma.junkemailfilter.com
>>
>> 127.0.0.1 = whitelist
>> 127.0.0.2 = blacklist
>>
>>
>>     
>
> The sending IPs used by spammers have nothing in common with their
> domain MXes. They just send from wathever IP they see fit. All they have
> in common is an MX record for their domain listening at the same IP. So
> having a blacklist who will be able to tell something like "all domains
> that have their MXes pointing to this particular IP are spammer domains"
> would be great.
>   

I see what you mean about not having what you want. But what do you 
want? What is the logic you would use to detect spams? If the senders MX 
is vacant or matches a blacklist of host names?

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