The following is from an email I received recently:

Authentication-Results: mx.google.com;
       dkim=pass header.i=@yahoo.com;
       dmarc=pass (p=REJECT dis=NONE) header.from=yahoo.com

I've been reading about SPF, DKIM, and DMARC, but I haven't found any explanation of what dis=NONE means. "dis" isn't listed in the DMARC tag registry, so where is it defined and what does it mean?

  • Another possible value is QUARANTINE and the FAQ mentions disposition, so it could be the "action" to be performed. However, found no reliable evidence. – sebix Sep 10 '15 at 16:12

dis=none (disposition=none) -- means that Gmail applied "none" policy


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