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Re: (DMARC) How a whitelist would work, was Why mailing lists

Michael Richardson <mcr+ietf@sandelman.ca> Thu, 17 April 2014 22:18 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: John R Levine <johnl@taugh.com>
Subject: Re: (DMARC) How a whitelist would work, was Why mailing lists
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References: <CE39F90A45FF0C49A1EA229FC9899B0507D45766@USCLES544.agna.amgreetings.com> <20140414214949.32126.qmail@joyce.lan> <CE39F90A45FF0C49A1EA229FC9899B0507D460CB@USCLES544.agna.amgreetings.com> <alpine.BSF.2.00.1404142150430.32657@joyce.lan> <CAL0qLwbPMm_i0fqNSGQPv=xZaiNASy=icsRNudaNJ_3PNtX3Og@mail.gmail.com> <alpine.BSF.2.00.1404151832460.38826@joyce.lan> <CAL0qLwZUptJVw85T2FjB2HRGoOvcOUHKiQXeadM0QE9BsFVM9w@mail.gmail.com> <CAKHUCzxpwS+nR9wRGOzU_83f7XabMr0pwB5x-MHrqM-28r80kw@mail.gmail.com> <CAKHUCzzw9mufrTCOBQOkRrZU6wOM21X8Y=FUEKf=qnzS9VESjA@mail.gmail.com> <alpine.BSF.2.00.1404161654430.2065@joyce.lan> <CAL0qLwYT_y5ksCP5DpHGXEK084zVg=6HfpJ2B2khkK7jDByZmQ@mail.gmail.com> <alpine.BSF.2.00.1404170008470.2194@joyce.lan>
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Date: Thu, 17 Apr 2014 18:17:52 -0400
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John R Levine <johnl@taugh.com> wrote:
    >> Do you envision each operator maintaining its own whitelist, or one or more
    >> public registries of them, or something else?

    > On the assumption that we have reasonably good agreement about what would
    > qualify for DMARC whitelisting, I'd think you'd want a small set (maybe only
    > one) of public whitelists.

    > If each receiver has to do its own whitelist, that means that nobody bug a
    > big gorilla who can afford to create a whitelist can apply DMARC policies.

I don't understand whitelists.

Are you saying that gmail and yahoo have to know about my lists.sandelman.ca
before I can have gmail/yahoo members on my little local list?

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

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