Dave Crocker wrote: > Whether ADSP can reasonably extract some semantics is an entirely reasonable > line of question.
Right. And that's the basis on which Barry and I think this worth discussing again. > What we need to see is discussion and consensus that it can and does and that > the benefits outweighs the costs. > > An nice example of a counter-argument is: > > Wietse Venema wrote: > > The problem is that "valid email origin" is a subset of all the > > names that resolve in the DNS. In other words, there are false > > positives in the algorithm that continues when [any DNS] record > > lookup succeeds. > > One interpretation of this point is that the presence of a DNS entry (that > is, a > 'failure' to get an NXDomain) might be meaningful, but the scope of its > meaning > is much broader than ADSP. I'm not following that. Can you give an example? Even if its partly speculative, it'd help me understand your point. (And in this case, I guess speculation as to future uses of DNS might be valid, since the current absence of entries is what we're proposing to use.) Stephen. _______________________________________________ NOTE WELL: This list operates according to http://mipassoc.org/dkim/ietf-list-rules.html
