> On Jul 14, 2016, at 1:38 PM, Brian Godiksen <br...@socketlabs.com> wrote: > > I noticed inconsistencies in how domains are publishing null MX records. In > RFC7505 it states these records should be published with a preference number > 0. I am seeing a variety of preferences specified though. > > Example: > > ;; QUESTION SECTION: > ;hotmai.com. IN MX > > ;; ANSWER SECTION: > hotmai.com. 2530 IN MX 10 . > > Is anyone ignoring the preference number in their implementation?
More generally, is anyone special-casing this rather than just treating it as an idiomatic way of creating an email address that immediately fails to deliver? Cheers, Steve _______________________________________________ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop