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From Grant Taylor <>
Subject Re: [Offtopic] List From and Reply-To
Date Wed, 30 May 2018 18:47:42 GMT
On 05/30/2018 12:08 PM, RW wrote:
> SPF passes on the rewritten envelope address, so it's not aligned and 
> it's just a matter of whether there's an aligned dkim pass.

It depends on what the Forensic Report ("fo") option is set to in the 
published DMARC policy.  Domain owners / record publishers can state 
that any failure, including SPF misalignment, will cause a report to be 

IMHO simply relying on DKIM to validate is insufficient.

Further, it's not unheard of for something else (completely benign) to 
break DKIM (like 8-bit to 7-bit MIME transcoding).

> It passes dmarc at gmail,

I've learned not to use Gmail as a measuring stick for what's good. 
Rather I use Gmail as for the low end, as if it fails Gmail then it's 
really broken.  Gmail has a number of things that are NOT up to a high bar.

> so presumably the problem is with the service that sent the notices.

How is it a misconfiguration / misbehavior of the receiving DMARC filter 
for reporting a misalignment that it detected between the envelope from 
and the From header?

That sounds like "working as (intended|desired|configured)" to me.

> The important thing is to not sign the list* headers in dkim.

I did say that DKIM passed.  Which means that the list-* headers didn't 
cause the failure.

Grant. . . .
unix || die

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