Yes it is a known bug in Gmail implementation that we will fix in the next
few weeks.

On Thu, Oct 18, 2012 at 10:30 AM, Nick Semenkovich <[email protected]>wrote:

> Thanks to some help from Tim Draegen at dmarcian.com, apparently this
> is a known bug that's triggered whenever DMARC policies are updated.
>
> - Nick
>
> On Wed, Oct 17, 2012 at 9:08 PM, Nick Semenkovich <[email protected]>
> wrote:
> > Both. The subject lines in the e-mail, as well as the report_id in the
> > XML, are identical (while the contents are different).
> >
> > I was originally assuming the files were the same (and just sent
> > twice), before I noticed two that came in with very different file
> > sizes.
> >
> >
> > Here's an example pair:
> > http://web.mit.edu/semenko/Public/dmarc-dup-id/
> >
> > (I've renamed one to _2.xml, otherwise the file names would be
> identical.)
> >
> > - Nick
> >
> > On Wed, Oct 17, 2012 at 8:10 PM, Franck Martin <[email protected]>
> wrote:
> >> And are we talking about the report id in the xml file or the one in the
> >> subject line?
> >>
> >> From: Roland Turner <[email protected]>
> >> Date: Wednesday, October 17, 2012 5:41 PM
> >> To: "[email protected]" <[email protected]>,
> >> "[email protected]" <[email protected]>
> >> Subject: Re: [dmarc-discuss] DMARC Report ID Collisions from Google
> >>
> >> Are the contents identical?
> >>
> >> ----- Reply message -----
> >> From: "Nick Semenkovich" <[email protected]>
> >> To: <[email protected]>
> >> Subject: [dmarc-discuss] DMARC Report ID Collisions from Google
> >> Date: Wed, Oct 17, 2012 22:16
> >>
> >>
> >> I've been intermittently (but consistently) receiving reports from
> >> Google with DMARC Report ID collisions.
> >>
> >> In this case, I happened to just change a policy (from pct=25 to
> >> pct=50), though I think this has happened with no policy changes.
> >>
> >> Is this the expected behavior (or has anyone else seen this)? I
> >> figured the Report ID should be unique.
> >>
> >> Example Report ID: 11506581618641335025 (from Google)
> >>
> >> Best,
> >> Nick
> >>
> >> --
> >> Nick Semenkovich
> >> Laboratory of Dr. Jeffrey I. Gordon
> >> Medical Scientist Training Program
> >> School of Medicine
> >> Washington University in St. Louis
> >> 314.362.3963 (Lab)
> >> http://web.mit.edu/semenko/
> >> _______________________________________________
> >> dmarc-discuss mailing list
> >> [email protected]
> >> http://www.dmarc.org/mailman/listinfo/dmarc-discuss
> >>
> >> NOTE: Participating in this list means you agree to the DMARC Note Well
> >> terms (http://www.dmarc.org/note_well.html)
> >
> >
> >
> > --
> > Nick Semenkovich
> > Laboratory of Dr. Jeffrey I. Gordon
> > Medical Scientist Training Program
> > School of Medicine
> > Washington University in St. Louis
> > 314.362.3963 (Lab)
> > http://web.mit.edu/semenko/
>
>
>
> --
> Nick Semenkovich
> Laboratory of Dr. Jeffrey I. Gordon
> Medical Scientist Training Program
> School of Medicine
> Washington University in St. Louis
> 314.362.3963 (Lab)
> http://web.mit.edu/semenko/
> _______________________________________________
> dmarc-discuss mailing list
> [email protected]
> http://www.dmarc.org/mailman/listinfo/dmarc-discuss
>
> NOTE: Participating in this list means you agree to the DMARC Note Well
> terms (http://www.dmarc.org/note_well.html)
>
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