Re: [exim] spammers MXes

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Author: Renaud Allard
Date:  
To: Marc Perkel
CC: exim-users
Subject: Re: [exim] spammers MXes


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.