> On 21 Apr 2016, at 18:17, Viktor Dukhovni <[email protected]> wrote:
> While the even larger Gmail, Outlook.com/Hotmail, Yahoo ... are
> not in the near term in a position to deploy DNSSEC, I expect that
> doing so is simpler for outlook.com, because this domain does not
> overlap with major web properties whose scale makes the transition
> considerably more difficult.  So it would be great to add Microsoft
> to the above list some time in 2017 (or sooner).

Am I correct in assuming that none of the very big (Gmail, et al) do DANE 
verification when sending email? Given that Google’s public DNS resolvers have 
supported DNSSEC since many years, I think it would make sense for Google to 
start delivering email with DANE, regardless of what they decide to do for 
inbound email.

> DANE for gmail.com is also plausible without impacting all of
> Google, but requires moving the MX hosts out of the present
> google.com.

The domain googlemail.com used to be part of the Google Apps MX. Speaking of 
which; it would also make DANE available to the millions of domains[1] using 
Google Apps, as a bonus.

[1] http://research.domaintools.com/statistics/mailservers/
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