Re: [exim] ACL filtering

On 23 April 2010 18:05, Always Learning <exim.users@???> wrote:
>
> Martin A. Brooks wrote on Fri, 23 Apr 2010 17:55:46 +0100.
>
>> You have the Scunthorpe Problem:
>
> Have only ever driven passed it.
>
>> I question your assertion that "adsl in a hostname == junk sender", but
>> your server, your rules and all that.
>
> It is in my experience of junk mails from all around the world including
> from the poorer countries in Asia and South America.
>
> Other rejected words in MX host names are:
>
>        dial
>
>        dynamic
>
>        static
>
>        pool
>
>        user
>
>        broadband
>
> Some are 'deny' and others are 'defer'.
>
> Daily monitoring of the rejection log means I can respond to negative
> effects of well-meant anti-spam defences.

Discarding the countless man-years of effort already expended on this
topic would seem to be foolish. See Dynastop, Spamhaus PBL, and many
other projects. They've taken the time to get it right and think of
all the instances that your simplistic pattern matching falls over on.

Peter

--
Peter Bowyer
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