Re: [exim] Making SPF useful

On 08/04/2009, Marc Perkel <marc@???> wrote:
>
>
> Ian Eiloart wrote:
> >
> >
> > --On 8 April 2009 06:11:14 -0700 Marc Perkel <marc@???> wrote:
> >
> >>
> >> I haven't found SPF useful for white listing. I've seen spammers with
> >> good SPF. If I were a spammer I'd have good SPF.
> >>
> >
> > Of course, you'd only whitelist a domain if you had some reason to
> > trust the owner of the domain. The point about SPF is that it allows
> > you to assign reputation to a domain instead of an IP address. That's
> > much easier to do.
> >
>
> I guess if you had a list of good domains and the rule was that if SPF
> match AND they were on the good list then consider the email ham?

Or at least, relax some of your checks, and some of your
auto-blacklisting perhaps. This is exactly how we use SPF and DK
(shortly DKIM also). The only time this kicks in is if the mail is
purporting to be from a domain we trust, otherwise it's irrelevant.

Peter
--
Peter Bowyer
Email: peter@???
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