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Re: More sorbs blacklisting



On 2006-07-10  1636, John Kelly wrote:
> On Mon, 10 Jul 2006 17:45:01 +0200, Anders Breindahl
> >However you edited out the interesting part. Couldn't one:
> 
> >After HELO:
> >- forward and reverse DNS match
> >- the SPF records of the HELO'ed domain allows delivery from the
> >  connecting host
> >If any of the two above, accept the connection. As said, wouldn't that
> >give home users a way of authenticating themselves?
> 
> SPF is good for preventing sender domain forgery, but spammers can
> just setup real domains and SPF records to abuse what you suggest.

Yes, of course. That takes the punch out of my idea. Thanks for
correcting me.

Regards, skrewz.



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