> On Mon, 2009-07-13 at 17:19 +0200, Matus UHLAR - fantomas wrote:
> > > 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...

On 13.07.09 16:26, rich...@buzzhost.co.uk wrote:
> Do the RFC's state that they need to?

yes, RFC4954 in section 7 does

-- 
Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
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