Re: DMARC and ietf.org

Dave Crocker <dhc@dcrocker.net> Wed, 20 July 2016 17:42 UTC

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Subject: Re: DMARC and ietf.org
References: <CAL0qLwYZPO9L9e7MHA6zP5vcTbQEJmwCSonLdMeQiOw4CUoiFw@mail.gmail.com> <20140718174827.652621ADAF@ld9781.wdf.sap.corp> <6.2.5.6.2.20140719235353.0c50d260@resistor.net> <25621.1405862805@sandelman.ca> <56CDC083.7020001@sandelman.ca> <CAA=duU0HLdE0WRcM3o9SXGuZ2T6E5mha+GjRkyGfPEe+VO=pdg@mail.gmail.com> <87B045CE-2C2F-4528-937E-772B67E26F8C@vigilsec.com> <1301.1456329984@obiwan.sandelman.ca> <56CDFA68.4030506@gmail.com> <A2F94A7A-3984-4E01-9C66-C580BD8C92CA@me.com> <BE67956E-7299-41D1-B8D6-B66AD18081D7@vigilsec.com> <bf2540aa-eda2-8e56-d3f5-1bf862b395ce@dcrocker.net> <10004.1469036041@obiwan.sandelman.ca>
To: Michael Richardson <mcr+ietf@sandelman.ca>
From: Dave Crocker <dhc@dcrocker.net>
Organization: Brandenburg InternetWorking
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Date: Wed, 20 Jul 2016 19:42:22 +0200
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On 7/20/2016 7:34 PM, Michael Richardson wrote:
>
> Dave Crocker <dhc@dcrocker.net> wrote:
>     > There is an effort (ARC) to develop a capability that might let
>     > DMARC-related
>     > messages survive transit of a mailing list, but that effort is still
>     > nascent.
>
> It's been two years of "please wait" (or is it three?)

Indeed.  And it will be longer before a work-around is both developed 
and deployed.  You're welcome. No, really, it was a pleasure 
contributing to the effort...


> I think that it is time to reject email coming into mailing lists that
> has p=reject policy, and not forward it, as that is the policy of the mail
> system.

Go ahead.  I'm sure the relevant users will not pursue any remedies at 
losing connectivity, such as moving to a different list provider.

Which is to say, that I and almost all others are /very/ unhappy with 
this 'side effect' problem caused by DMARC, but that real-world 
pragmatics are making it unrealistic to take simple, purity-based 
actions in response.



d/
-- 

   Dave Crocker
   Brandenburg InternetWorking
   bbiw.net