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List:       mailfilter-dev
Subject:    Re: [Mailfilter-dev] Mailfilter Open Server Black List
From:       Bob Paddock <bpaddock () csonline ! net>
Date:       2002-03-30 17:08:19
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On Friday 29 March 2002 08:08 pm, Joerg Jaspert wrote:


Yes, effectively the same test but moved to the DNS, A DNS
query is of course a *lot* cheaper and faster than an SMTP
transaction.

> Bob Paddock <bpaddock@csonline.net> writes:
> > My idea was to add yet an other feature to Mailfilter.  :-)
>
> An existing one for SMTP Servers. :)
>
> > That would quire a Black List dedicated to Mailfilter of know spam IP's
> > and open spam relays.
>
> You describe RBLs :)
>
> www.ordb.org
> www.mail-abuse.com
>
> And others.
>
> Today mostly used by SMTP Servers to block mail before it gets
> send. But also used by Spamassassin to tag Spam.

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