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

2007-12-23 11:43:50
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Julian Mehnle wrote:
Anyway, I think we can only be about 90% certain that [GMail] actually
reject due to SPF Fail (be it before or after DATA).  There _might_ be
other reasons for the rejection you observed.  We could ask them to
know it for sure, though.

I got word from an authoritative source within Google that they generally 
do NOT reject on SPF Fail.  They reject for a few other reasons, such as 
the SMTP sender being a dynamically allocated IP address (which seems to 
be what Frank observed), but not for SPF Fail.  SPF Fail contributes as a 
factor to their spam decision, though.

Frank, can you please update your "Google" page on the SPF website?  Right 
now it suggests that "Apparently Gmail [was rejecting] SPF FAIL after 
DATA", but I don't think that was ever true.  Then I think we can rename 
the page to "Google SPF implementation" or "Google and SPF" or something.  
Where on the website do you want to link it from?

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