spf-discuss
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[spf-discuss] Re: Google NOT rejecting on SPF Fail.

2007-12-28 08:41:33
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Terry Fielder wrote:
Julian Mehnle wrote:
I'd rather just say that "GMail does not reject on SPF Fail but uses
it in their spam decision".  Something like that.  Forget the
evidence -- given the facts, it's of little interest.

No, please don't "forget the evidence".  Leave it there, somewhere,
perhaps a link to the detail evidence on a separate page to reduce
clutter.  But things can change, and so the claim based on current
evidence must be documented as substantiated because after all systems
are subject to change without notice.

The thing is, the current "claim" isn't based on empirical evidence such 
as a few SMTP transactions.  It's based on a statement by an authorita- 
tive source within Google.  Proving through empirical evidence that GMail 
never rejects due to SPF Fail is equally as difficult as is proving 
through empirical evidence that the Flying Spaghetti Monster doesn't 
exist.  That's why I decided to ask the GMail people in the first place.

More importantly though, do we really want to create a list of case 
studies for all the big ESPs out there including detailed evidence for 
their SPF-related behavior?  If not, why do so for Google/GMail?

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