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Re: [LUG] SPF and false positives

 

On Thu, 2010-04-01 at 13:22 +0100, Simon Waters wrote:
>
> We forward a lot of email without rewriting envelope sender 
> 
Which is why rejecting failed SPF is not a good idea. We didn't, but do
now, rewrite sender addresses, although we had no complaints before.

> Because SPF is broken by design, it rejects too much genuine email, so 
> almost no one rejects outright.
> 
We will reject mail outright if the SPF record states only '-all'. We've
had no complaints about that.




John.

-- 
John Horne, University of Plymouth, UK
Tel: +44 (0)1752 587287    Fax: +44 (0)1752 587001


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