Re: gmail users read on...

["Andrew G. Malis" <[e-mail]>]

Brian,

I have been seeing this somewhat, especially from people sending from Yahoo
email to IETF lists. Thanks for the reminder.

Cheers,
Andy


On Fri, Aug 29, 2014 at 1:05 AM, Brian E Carpenter <
[e-mail]> 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:
>
> Authentication-Results: mx.google.com;
>        spf=pass (google.com: domain of [e-mail] designates
> 2001:xxxxxxxxx as permitted sender)
> smtp.mail=[e-mail];
>        dkim=pass header.i=@ietf.org;
>        dmarc=fail (p=REJECT dis=NONE) header.from=example.com
>
> 3) then gmail forcibly classes your message as spam.
>
> Since many IETF participants use gmail, many people (myself included)
> will not be seeing your mail unless they happen to check their spam
> folder.
>
> Regards
>    Brian Carpenter
>
>