On Sun, Dec 18, 2016 at 02:28:23AM -0000, John Levine wrote: > If we tell people, sorry, you can't participate in the IETF using the > giant mail providers you use for everything else, what do you expect > the response to be? Wow, what a bunch of noble principled idealists, > or wow, I don't have time for this nonsense, maybe I'll go work on > some open source stuff on github instead. We have enough trouble > recruiting people now without putting more roadblocks in their way. Um, you're assuming that mailing lists serving open source projects will either (a) knuckle under to the demands of DMARC, or (b) be willing to inflict the pain caused by DMARC-workarounds on their users, aren't you? I can think of one major open source project (namely, the Linux kernel) which has refused to do either. - Ted