On 9/26/16 9:23 AM, John Payne wrote:
On Sep 23, 2016, at 9:11 PM, John Levine <johnl@xxxxxxxxx> wrote:
Google has repeatedly said that they're not going to turn on DMARC
until ARC is available.
They already have for google.com <http://google.com/>… gmail is probably a much bigger impact, but I
discovered google.com’s p=reject when we accidentally turned on DMARC enforcement :/
Well, yeah. The domain google.com is used by about 57,000 Google
employees while the domain gmail.com is used by about a billion (yes,
really) Gmail users.
I think my point is that there are already plenty of users posting to IETF lists with p=reject. There can’t be many recipients enforcing those policies, as I heard pretty quickly after we accidentally turned it on.
Assuming that they noticed the absence of some incoming mail. It is
kind of ironic that Vint Cerf is one of the folks impacted.
Miles Fidelman
--
In theory, there is no difference between theory and practice.
In practice, there is. .... Yogi Berra