On Fri, 27 Jan 2017 22:23:55 +0100 Benny Pedersen wrote: > Dianne Skoll skrev den 2017-01-27 19:02: > > On Fri, 27 Jan 2017 12:40:16 -0500 > > Rob McEwen <r...@invaluement.com> wrote: > > > >> While I have Yahoo sending IPs extensively covered in my whitelist, > >> I've been trying to get their complete official list of sending IPs > >> for years. > > > > Yahoo might want the flexibility to change this list on a regular > > basis. > > with use of PTR its always up2date, problem is just that none spf > testers are doing FcRDNS checked before saying spf pass
The RFC requires that they do.
