> On Fri, 3 Jul 2009, RW wrote:
> > I understand that Spamhaus doesn't recommend this, because dynamic IP
> > addresses can be reassigned from a spambot to another user, but I added
> > my own rule it does seem to work. In my mail it hits about 9% of my
> > spam, with zero false-positives.

On 13.07.09 14:22, Tony Finch wrote:
> You will get false positives from senders that are using remote message
> submission, and from some webmail users if their server puts the webmail
> client IP address in the message headers.

agreed, although, some kind of authentication should be done in either case,
which should prevent the rules from hitting, but many ISPs and ESPs don';t
push auth informations to Received: headers...

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