Perhaps you can connect with a current client or former colleague who is
doing mail operations. I am looking for at least one example of an
illegitimate message that uses a non-existent subdomain in the From
address.
To be clear, I am talking about messages where MAILFROM and FROM are not
I started from the assumption that we would want to generalize NP into
organizations. But after spending a lot of time on the subject for the
last 15 months, I am convinced that it is not needed.
Assume that a university or other organization wishes to use a "none"
policy to permit mailing
On Tuesday, March 15, 2022 8:10:23 AM EDT Alessandro Vesely wrote:
> On Tue 15/Mar/2022 02:54:21 +0100 Douglas Foster wrote:
> > For subdomains of registered organizations, SP=reject protects both
> > existent and non-existent domains. This means that a NP policy would
> > only be relevant when
On Mon, Mar 14, 2022 at 9:54 PM Douglas Foster <
dougfoster.emailstanda...@gmail.com> wrote:
> I asked this question because I have concluded that NP is only meaningful
> for registrar policy records, to identify unregistered organizations.
>
> For subdomains of registered organizations,
On Tue 15/Mar/2022 02:54:21 +0100 Douglas Foster wrote:
For subdomains of registered organizations, SP=reject protects both existent
and non-existent domains. This means that a NP policy would only be relevant
when sp=none and np=reject.
While that's true, someone may want to set, for
