On Fri, 5 May 2017 14:51:32 +0000
David Jones wrote:

> >I know. I do not want to validate the envelope from with DKIM. I
> >just want to know if the mail was DKIM-VALID signed by the DOMAIN
> >used in the envelopefrom.  
> 
> >So the only thing I want with the envelop from is to extract the
> >domain and test if the mail was DKIM signed (and valid) by that
> >domain.  
> 
> >This tells me the envelope from is not some random spoofed address,
> >but actually controlled by someone who handled the e-mail before it
> >arrived at our mta.  
> 
> This actually would be a very useful rule/logic to add to SA:
> https://blog.returnpath.com/why-passing-and-aligning-both-spf-and-dkim-is-key-to-email-deliverability/

So what would be the point in running a separate DKIM test against the
envelope if you are looking for alignment.

> When both align, it should be a very good candidate for whitelist_auth
> based on the sender domain reputation.

If it passes DKIM and the domain has a good reputation then what
difference would alignment make. 

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