Andy, 

I you can find the record for this message in your aggregate report, check for 
the presence of a <reason><type> tag.  If that is present and the type is 
either "forwarded" or "mailing_list" it will tell you that the receiver 
overrode the reject policy for that reason. It's not necessarily specific to 
Google, any receiver can do it and be within the bounds of the DMARC spec. 

Mike

Mike Jones
Director, Product Management & Receiver Services
Agari
[email protected]
Skype: jnzmike1
703-728-3978 (cell)

On Apr 3, 2013, at 3:56 PM, Andy Wilson <[email protected]> wrote:

> The pct tag is set to 100.
> I would speculate it *is* directly related to DMARC as the message shown in 
> Gmail is "Our systems couldn't verify that this message was really sent by 
> junc.eu"
> 
> Hopefully someone from Google can chime in here
> 
> 
> On 4 April 2013 11:40, Murray Kucherawy <[email protected]> wrote:
> Gmail is on this list so I'll let them answer for themselves.  Were I to 
> speculate, there could be any of several reasons in addition to your two 
> ideas, including:
> 
> It passed DMARC but their content classifiers still called it spam, and they 
> acted accordingly.
> 
> You have a "pct" tag, DMARC failed, and the "upgrade" process described in 
> Section 7.1 has been applied.
> 
> -MSK
> 
> From: Andy Wilson <[email protected]>
> Date: Thu, 4 Apr 2013 11:29:59 +1300
> To: <[email protected]>
> 
> Subject: Re: [dmarc-discuss] Gmail Authentication-Results header
> 
> What does disposition mean in this case? 
> It also raises the question, why did Gmail put the email in spam instead of 
> rejecting it as the dmarc policy specifes? 
> I can think of 2 reasonable things:
> 1: Google is still not confident senders are implementing dmarc correctly and 
> as a precaution quarantining messages (instead of rejecting them) 
> 2: Gmail is smart enough to take into account the presence of the List-Id 
> header and/or other headers and applying special case processing for mailing 
> lists.
> 
> Any thoughts?
> 
> On 4 Apr 2013 11:12, "Murray Kucherawy" <[email protected]> wrote:
> I would guess it means "disposition", but since it's in a comment, it's 
> probably not supposed to mean anything to parsers.
> 
> From: Andy Wilson <[email protected]>
> Date: Thu, 4 Apr 2013 10:59:22 +1300
> To: <[email protected]>
> Subject: [dmarc-discuss] Gmail Authentication-Results header
> 
> Has anyone else noticed Google are now inserting a dmarc result into their AR?
> I just noticed this from an email Benny sent (which ended up in spam due to 
> p=reject)
> 
> Authentication-Results: mx.google.com;
>        spf=pass (google.com: domain of [email protected] 
> designates 208.69.40.157 as permitted sender) 
> [email protected];
>        dkim=pass [email protected];
>        dmarc=fail (p=REJECT dis=none) d=junc.eu
> 
> Can anyone from Google comment on the use of this header, not quite sure what 
> dis=none means
> 
> -- 
> Regards
> 
> Andy
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> 
> 
> 
> -- 
> Regards
> 
> Andy
> _______________________________________________
> dmarc-discuss mailing list
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> 
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