On Thu, 26 Jan 2017 19:53:42 +0000 David Jones <djo...@ena.com> wrote:
> I think they publish their SPF like this because they have no good > list of outbound mail servers themselves so they take the lazy > approach. Yahoo invented (or was one of the main inventors) of DKIM, so it could also be a little bit of NIH syndrome. And maybe they published nonsensical SPF records to placate badly-designed receiving systems that penalize domains with no SPF whatsoever. > Postfix is pretty flexible so maybe there is a way to allow this > by the PTR when the FCrDNS matches. IMO, the SPF spec should have specified that a PTR mechanism MUST be ignored nuless FCrDNS matches. (Maybe it does... too lazy to look it up. :)) Regards, Dianne.
