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Re: Google.com hops on the DMARC bandwagon

"Rolf E. Sonneveld" <R.E.Sonneveld@sonnection.nl> Tue, 29 April 2014 22:19 UTC

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Date: Wed, 30 Apr 2014 00:19:47 +0200
From: "Rolf E. Sonneveld" <R.E.Sonneveld@sonnection.nl>
Organization: Sonnection B.V.
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To: Ned Freed <ned.freed@mrochek.com>
Subject: Re: Google.com hops on the DMARC bandwagon
References: <alpine.BSF.2.00.1404291512550.3309@joyce.lan> <CAL9jLaZhoWkaKpscm4YA4F-kSpt9tvjhax8f6soJzaY-Q0SsnA@mail.gmail.com> <CE39F90A45FF0C49A1EA229FC9899B0507D5DE7D@USCLES544.agna.amgreetings.com> <536011BD.3050704@meetinghouse.net> <536012FC.9020803@att.com> <536015F7.2070100@sonnection.nl> <01P780Q4IQVA000054@mauve.mrochek.com>
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On 04/29/2014 11:36 PM, Ned Freed wrote:
>> On 04/29/2014 11:00 PM, Tony Hansen wrote:
>> > On 4/29/14, 4:55 PM, Miles Fidelman wrote:
>> >>
>> >>>>
>> >>>> On Tue, Apr 29, 2014 at 3:16 PM, John R Levine <johnl@taugh.com>
>> >>>> wrote:
>> >>>>> I see that google.com now publishes a DMARC policy of 
>> p=quarantine.
>> >>>>>
>> >>>>> While this won't bounce people off lists like p=reject does, it 
>> still
>> >>>>> makes it fairly pointless to post to this or any other list from a
>> >>>>> google.com
>> >>>>
>> >>
>> >> Ahh... so we can't expect to see Vint in any of the ietf discussions
>> >> in the near future!
>> >
>> > Anyone with mail servers that look at the dmarc settings won't see
>> > postings. People behind mail servers that do NOT look at the dmarc
>> > settings will see the postings just fine.
>
> No, because those postings will bounce, and cause those users to get
> unsubscribed from the list. 

But in this case, we're talking about the p=quarantine policy that 
Google published for google.com... No bouncing (and hence no automatic 
unsubscription, unless a receiver interprets p=quarantine as 'please 
reject').

/rolf

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