Could you please share the IP address (better: relevant Received:
header)? This seems like an error in our data.

-- Matthias, for the dnswl.org project

On Sun, Aug 25, 2013 at 10:19 PM, Jason Haar <jason_h...@trimble.com> wrote:
> Hi there
>
> I just received some spam - got a score below 0. The real surprise was
> the -2 points it got from RCVD_IN_DNSWL_MED - a surprise because the
> domain was yahoo.co.uk!
>
> I have no idea why DNSWL would ever give a negative score to any
> FREEMAIL (I use the SA rulename there) server - all free mail services
> will be prone to misuse
>
> So I'm thinking of trying to counteract that via
>
> meta            UNDO_DNSWL_WHITELIST       ( (RCVD_IN_DNSWL_MED) &&
> FREEMAIL_FROM)
> describe        UNDO_DNSWL_WHITELIST       don't allow RCVD_IN_DNSWL_MED
> to whitelist freemail
> score           UNDO_DNSWL_WHITELIST       2.0
>
>
> Anyone see anything fundamentally wrong with that? It seems so obvious,
> I'm thinking I've overlooked something :-)
>
> --
> Cheers
>
> Jason Haar
> Information Security Manager, Trimble Navigation Ltd.
> Phone: +1 408 481 8171
> PGP Fingerprint: 7A2E 0407 C9A6 CAF6 2B9F 8422 C063 5EBB FE1D 66D1
>

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