Douglas, Can you show us a single email authentication standard that is 100% deployed on the Internet? There isn't anything that comes close to that achievement. Even things like DNS are not 100%. I know hosts that are only reachable by IP address.
Michael Hammer On Sun, Mar 31, 2019 at 2:31 PM Douglas E. Foster < [email protected]> wrote: > Certainly not. > > You cannot drop existing defenses until the new standard is 100% deployed > on the Internet, which means probably never. Your experimental > implementation will need to prioritize the new test over the SPF test, to > prove that it is working and to show that it is good at intercepting > any subdomains that have been newly imagined by the attackers > > To speed up the deployment process for existing or new standards, IETF > would meed to embrace the idea of defining required features of a spam > filter. > > Doug Fosterd > > ------------------------------ > *From*: "Ian Levy" <[email protected]> > *Sent*: Sunday, March 31, 2019 6:18 AM > *To*: "Scott Kitterman" <[email protected]>, "IETF DMARC WG" < > [email protected]> > *Subject*: Re: [dmarc-ietf] Working group next steps > > >> I’ll also offer gov.uk as an experimental ground (within reason!). > > > Excellent. I've listed it in the experimental registry at psddmarc.org... > > Since you already had a live DMARC record for that domain, people can > experiment with this now. > > I guess at some point we'll have to stop generating SPF and DMARC records > for the non-existent subdomains of gov.uk so we can test the new stuff > properly. When we're at that point, let me know. > > Ta. > > I. > > -- > Dr Ian Levy > Technical Director > National Cyber Security Centre > [email protected] > > Staff Officer : Kate Atkins, [email protected] > > (I work stupid hours and weird times – that doesn’t mean you have to. If > this arrives outside your normal working hours, don’t feel compelled to > respond immediately!) > > > This information is exempt under the Freedom of Information Act 2000 > (FOIA) and may be exempt under other UK information legislation. Refer any > FOIA queries to [email protected] > _______________________________________________ > dmarc mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/dmarc > > _______________________________________________ > dmarc mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/dmarc >
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