Re: IETF Mailing Lists and DMARC

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Cullen Jennings <fluffy@xxxxxx> wrote:
    > So if someone send a email with a bad signature to an IETF list from a
    > domain that has a reject policy, and the IETF server forwards it to my
    > email email provider, my email provider rejects it. Now the IETF email
    > server counts that as a bounce. Too many bounces in a row and the IETF
    > server unsubscribes me from the list.

    > This does not seem OK that anyone can trivially send some SPAM and get
    > me unsubscribed.

yeah, that's a real problem isn't it.

After nearly three years of yelling about this problem, we are not even close
to consensus that it's a problem, with many people suggesting that IETF mailing
list software should just munge headers.

DMARC WG was supposedly designing a solution. I don't know where that is.

My take is that IETF mailing list software should reject email from p=reject
senders, since that's their stated policy.

The original threads include:
    https://www.ietf.org/mail-archive/web/ietf/current/msg99659.html

    > What's the right advice on how the IETF server should be run?

    > Now to a more detailed problem - Jana sends lots of email to the quic
    > list. I don't get any of them. It appears that my email server (run by
    > rackspace) rejects them with an

    > Diagnostic-Code: smtp; 550 5.7.1 Email rejected per DMARC policy for
    > google.com (G15)

    > If Jana sends the email directly to me, it works. This seems to point
    > at the IETF server is doing something that breaks signature in Jana
    > email.

Jana needs to stop sending from google.com.

Their policy is that not to forward, so sad to lose all the google.com
contributors.... we really shouldn't violate their stated policy.


--
Michael Richardson <mcr+IETF@xxxxxxxxxxxx>, Sandelman Software Works
 -= IPv6 IoT consulting =-



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