Good idea, Vladimir.

I just set up a forward to my gmail address and sent a message to it. Here are the headers from that: http://pastebin.com/qRMPAbjX

As I can see, there is only one DKIM signature.

I'm still trying to see whether in some situations our emails get DKIM signed twice. It seems like the forwarding is not such a case, at least from this test that I did.

Regards,
Borislav


On 9/6/2015 1:01 AM, Vladimir Dubrovin wrote:

May be, you have two DKIM-Signature fields in the message for some
cases, e.g. redirected/auto-forwarded messages?

The Venus Project via dmarc-discuss пишет:
Hi,

I see something strange in the DMARC reports that we're getting from
Google. Here is the relevant section from the XML file:

  <record>
     <row>
       <source_ip>109.73.224.155</source_ip>
       <count>10</count>
       <policy_evaluated>
         <disposition>none</disposition>
         <dkim>pass</dkim>
         <spf>pass</spf>
       </policy_evaluated>
     </row>
     <identifiers>
       <header_from>thevenusproject.com</header_from>
     </identifiers>
     <auth_results>
       <dkim>
         <domain>thevenusproject.com</domain>
         <result>pass</result>
       </dkim>
       <dkim>
         <domain>thevenusproject.com</domain>
         <result>fail</result>
       </dkim>
       <spf>
         <domain>thevenusproject.com</domain>
         <result>pass</result>
       </spf>
     </auth_results>
   </record>



As you can see, it seems to check DKIM two times - one time it passes
and one time it fails. I am kinda baffled by this. There is only one
DKIM section in the reports that we're getting from Microsoft and Yahoo.
Also, we have only one DKIM DNS record set up for thevenusproject.com.

Does anyone have any idea why this double checking of DKIM (with
different results) is happening with Google?

Thanks in advance,
Borislav

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