Andy,

Since there is already an SPF Pass, Fail, and Neutral result, couldn't
you just create a rule that if the sender passes SPF that you apply a
large negative point value? Then you could apply that rule to only the
domains that you want to whitelist.

Dean

On Wed, Jan 20, 2010 at 8:47 AM, Andy Schmidt
<andy_schm...@hm-software.com> wrote:
> Hi,
>
>
>
> Despite all the shortcomings of SPF, there may be one GOOD use:
>
>
>
> Every once in a while I receive requests to whitelist certain sender email
> addresses or domains – then I explain that we don’t like to do that because
> it would allow any spam that PRETENDS to come from that domain to pass.
>
>
>
> What WOULD be a good feature, would be an SPF based domain whitelist!
>
>
>
> It would be a conditional whitelist of senders that will ONLY be applied, if
> SPF for that domain PASSES.
>
>
>
> Best Regards,
>
> Andy
>
>
>
>
>
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-- 
__________________________________________
Dean Lawrence, CIO/Partner
Internet Data Technology
888.GET.IDT1 ext. 701 * fax: 888.438.4381
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Corporate Internet Development and Marketing Specialists


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