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Re: Will mailing lists survive DMARC?

"John R Levine" <johnl@taugh.com> Wed, 30 April 2014 01:11 UTC

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Date: Tue, 29 Apr 2014 21:11:22 -0400
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From: John R Levine <johnl@taugh.com>
To: "Murray S. Kucherawy" <superuser@gmail.com>
Subject: Re: Will mailing lists survive DMARC?
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> In any case, ATPS, TPA, and its variants all run up against a whitelisting
> scaling problem.  I think that's the more interesting thing to discuss.

I completely agree.  Dunno if that belongs in ietf-822 or ietf-smtp.

It seems to me that the way you scale is to limit the number of 
whitelists, and leverage the information that large players already have, 
e.g., the 30,000 mail hosts that Yahoo said they knew they broke.

Regards,
John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY
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