Hello Frank,

Thanks for pointing out your script I was excited to see that it was lua script 
and I see it require momentum but I thought it might be interesting to hear 
about your set-up.

Since I don’t really know anything about them and I’m experimenting right now.

Thanks,

Ben


> On Feb 1, 2016, at 6:15 PM, Franck Martin <fmar...@linkedin.com> wrote:
> 
> If you have p=none, then the email is accepted regardless where it comes from.
> 
> Once you put p!=none, then the email may be rejected unless it is coming from 
> known forwarders, in this case this flag is raised to let you know the email 
> should have been rejected but was accepted nevertheless because it is coming 
> from a known forwarder.
> 
> I took a different approach to indicate the exceptions when DMARC fails, even 
> for p=none. It requires additional compute time. You can see it at 
> https://github.com/linkedin/dmarc-msys/blob/master/dmarc.lua#L685 
> <https://github.com/linkedin/dmarc-msys/blob/master/dmarc.lua#L685>
> 
> So it will all depend on how the receiver handles the exceptions to the DMARC 
> policy.
> 
> 
> On Mon, Feb 1, 2016 at 7:54 AM, Ben Greenfield via dmarc-discuss 
> <dmarc-discuss@dmarc.org <mailto:dmarc-discuss@dmarc.org>> wrote:
> 
> > On Jan 31, 2016, at 5:16 AM, Ben Greenfield via dmarc-discuss 
> > <dmarc-discuss@dmarc.org <mailto:dmarc-discuss@dmarc.org>> wrote:
> >
> > I finally got my google reports for the past 2 days and I was able to run 
> > them through dmarcian.com <http://dmarcian.com/>.
> >
> > I would say it takes about a week for a newly dmarc’ed domain to be pulled 
> > from the spambots to drop a domain.
> >
> > Since configuring dmarc started out with 4260 forwarders threat/unknown’s 
> > on 1/21  to a high of 10,025 on 1/27 moving to 181 for 1/30.
> 
> That 81 has no morphed in 2034 and for 1/31 I’m up to 2579 forwarders and 
> threats unknown.
> 
> Ben
> 
> 
> >
> > I like that trend.
> >
> > Thanks,
> >
> > Ben
> >
> >
> >> On Jan 27, 2016, at 7:45 PM, John Corey Miller via dmarc-discuss 
> >> <dmarc-discuss@dmarc.org <mailto:dmarc-discuss@dmarc.org>> wrote:
> >>
> >> Thanks Tim!
> >>
> >> I currently don’t have a dmarcian account, I just use the site as a 
> >> resource for your tools and information.  I could join up tomorrow when I 
> >> get into work if it would help you solve this problem.  Our DKIM records 
> >> had to be changed just  a couple of days prior to going to full reject if 
> >> that might have caused this… but drastic measures had to be taken as our 
> >> dmarc reports were showing something like 80-95% was straight up junk.
> >>
> >> Thanks,
> >> John Miller
> >>
> >>> On Jan 27, 2016, at 6:51 PM, Tim Draegen via dmarc-discuss 
> >>> <dmarc-discuss@dmarc.org <mailto:dmarc-discuss@dmarc.org>> wrote:
> >>>
> >>>> On Jan 26, 2016, at 10:36 AM, John Corey Miller via dmarc-discuss 
> >>>> <dmarc-discuss@dmarc.org <mailto:dmarc-discuss@dmarc.org>> wrote:
> >>>>
> >>>> We have Google Apps for Business set-up with our domain name for our 
> >>>> business.
> >>>>
> >>>> Since making the change to fully reject mail that fails dmarc, the 
> >>>> number of messages counted as coming through "Forwarders" on our dmarc 
> >>>> reports when run through this tool https://dmarcian.com/dmarc-xml/ 
> >>>> <https://dmarcian.com/dmarc-xml/> has drastically increased.  In many 
> >>>> cases these new "Forwarders" are the same IPs that previously were 
> >>>> coming through as "Threat/Unknown" (clearly fishers.)
> >>>>
> >>>> Does this mean that after seeing that google started rejecting their 
> >>>> e-mails they changed something about how they're sending them to attempt 
> >>>> to circumvent these rejections?  If so, does any action have to be taken 
> >>>> to prevent this circumvention?
> >>>
> >>>
> >>> Hi John,
> >>>
> >>> FWIW, you can email supp...@dmarcian.com <mailto:supp...@dmarcian.com> 
> >>> with any dmarcian-related questions.  I spend a lot of time there 
> >>> answering questions.. which is a bit easier as then I can look & comment 
> >>> about your data!
> >>>
> >>> That said, some replies to this thread are likely true.  If you're seeing 
> >>> the "forwarded" flag explicitly set, then this means the receiver in 
> >>> question accepted the email regardless of your published policy, as they 
> >>> understand the email to..well, be forwarded.
> >>>
> >>> It is not exactly common, but over the past few years certain 
> >>> spammers/phishers have figured out how to exploit servers that are being 
> >>> recognized as "forwarders" by the big players.  Once these servers are 
> >>> identified, they try to deliver as much crap as they can before being 
> >>> stopped.   And... the cycle continues.
> >>>
> >>> A different idea is that "reject" happened after putting in place DKIM 
> >>> signatures.  The dmarcian site does a better job identifying "Forwarders" 
> >>> (as a category, and not as a flag in XML) when DKIM is in place.  So if 
> >>> you did DKIM and reject at ~same time, this might be a factor.  However, 
> >>> if you're seeing junk from all over the world, it's worth dropping a note 
> >>> to supp...@dmarcian.com <mailto:supp...@dmarcian.com> and we'll package 
> >>> up your data along with a note to the bigger players to plug their holes.
> >>>
> >>> =- Tim
> >>>
> >>> _______________________________________________
> >>> dmarc-discuss mailing list
> >>> dmarc-discuss@dmarc.org <mailto:dmarc-discuss@dmarc.org>
> >>> http://www.dmarc.org/mailman/listinfo/dmarc-discuss 
> >>> <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 
> >>> <http://www.dmarc.org/note_well.html>)
> >>
> >>
> >> _______________________________________________
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> >> http://www.dmarc.org/mailman/listinfo/dmarc-discuss 
> >> <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 
> >> <http://www.dmarc.org/note_well.html>)
> >
> >
> > _______________________________________________
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> >
> > NOTE: Participating in this list means you agree to the DMARC Note Well 
> > terms (http://www.dmarc.org/note_well.html 
> > <http://www.dmarc.org/note_well.html>)
> 
> 
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