----- Original Message ----- > From: "Murray S. Kucherawy" <[email protected]> > To: "Terry Zink" <[email protected]> > Cc: [email protected], "Hector Santos" <[email protected]>, "DMARC Discuss" > <[email protected]> > Sent: Thursday, April 24, 2014 11:56:03 AM > Subject: Re: [dmarc-discuss] [dmarc-ietf] FYI: AOL Mail updates DMARC policy > to 'reject'
> When we did ADSP (RFC 5617), the mailing list damage it could do was > considered a showstopper for the vast majority of everyone participating, > and advocates for "strong policy" were in the rough. I note from ADSP's > author list that this included Yahoo!. The recommended practice was to split > streams, so ADSP-protected mail was in one domain and user mail was in > another. This is why domains like yahoo-inc.com , googlers.com , > paypal-inc.com , etc. began to appear. > It was still true when we revised DKIM a couple of years later, because the > concerns were unchanged yet yielded no relevant changes to DKIM itself, and > the working group produced RFC 6377 to document the problem in more detail > rather than take another run at trying to solve it. > What's changed since then appears to be that some operators now believe the > collateral damage is acceptable. Finish the sentence... ;) "... in relation to the benefits while the ecosystem adapts"
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