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Re: gmail users read on... [technical subtopic]

Brian E Carpenter <brian.e.carpenter@gmail.com> Fri, 29 August 2014 20:04 UTC

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Date: Sat, 30 Aug 2014 08:04:46 +1200
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Organization: University of Auckland
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To: Michael Richardson <mcr+ietf@sandelman.ca>
Subject: Re: gmail users read on... [technical subtopic]
References: <54000A31.5050907@gmail.com> <21715.1409324036@sandelman.ca>
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On 30/08/2014 02:53, Michael Richardson wrote:
> Brian E Carpenter <brian.e.carpenter@gmail.com> wrote:
>     > I hate to bring this topic up again but people should perhaps be aware
>     > that some legitimate IETF mail is now being automatically spam filtered
>     > for gmail recipients. Here is an anonymized version of what I just wrote
>     > to someone.
> 
>     > Be aware that as a result of corporate IT decisions at your company and
>     > at Google, your mail to IETF lists is being forcibly tagged as spam for
>     > gmail recipients.
> 
>     > 1) Example is announcing DMARC p=reject policy:
> 
>     > _dmarc.example.com   text =
> 
>     > "v=DMARC1; p=reject; sp=reject"
> 
>     > 2) gmail asserts a DMARC failure when your mail has been forwarded
>     > by an IETF list such as XYZ:
> 
> So, it classifies as spam, but it doesn't reject?

Correct. gmail appears to treat p=reject as p=quarantine,
so the unintended side effect is only a false positive, not
a bounce.

> So the gmail user isn't being kicked off the list, at this point?

That issue would affect the user at example.com (whose domain specifies p=reject)

   Brian

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