Re: [dmarc-ietf] NXDOMAIN

2021-04-06 Thread Murray S. Kucherawy
On Tue, Apr 6, 2021 at 4:54 AM Douglas Foster < dougfoster.emailstanda...@gmail.com> wrote: > If the SPF Policy lookup returns NXDOMAIN, then we are at a full stop with > all the information needed to make a decision. (The sender is violating > ICANN name registration policies). Ignoring

Re: [dmarc-ietf] NXDOMAIN

2021-04-06 Thread Douglas Foster
No typo. I was looking to do better than SPF NONE, and NXDOMAIN was the first thing that came to mind. If the SPF Policy lookup returns NXDOMAIN, then we are at a full stop with all the information needed to make a decision. (The sender is violating ICANN name registration policies).

Re: [dmarc-ietf] NXDOMAIN

2021-04-06 Thread Laura Atkins
> On 5 Apr 2021, at 22:46, Todd Herr > wrote: > > On Mon, Apr 5, 2021 at 5:02 PM Douglas Foster > > wrote: > As a result of earlier discussions, I have been investigating NXDOMAIN as an > email filtering criteria. > > One question from those