> --On Tuesday, 25 March, 2008 23:18 -0400 Keith Moore > <moore@xxxxxxxxxxxxxxxxxxxx> wrote: > >> You know, that's a very interesting point. One of more common > >> configuration variations we see is to disable MX lookups and > >> just use address records. > > > > how does anyone expect that to work across administrative > > domains? > Sorry, I'm now completely confused. Maybe it has just been a > long day, but... > Ned, by "disable MX lookups", do you mean "don't put MX records > into the DNS zone and therefore force a fallback to the address > records" or "ignore the requirement of the standard that > requires using MX records if they are there"? I'm talking about having the ability to disable DNS MX lookups entirely and fall back to address information. > If the latter, > the behavior, however useful (or not) is, IMO, so far outside > the standard that it is irrelevant to any discussion about how > DNS records are used in a standard way. I'm sorry, but i don't see it that way. I was close to convinced that this sort of fallback behavior was no longer useful under any circumstances until Bill reminded me that's not the case. Ned _______________________________________________ IETF mailing list IETF@xxxxxxxx https://www.ietf.org/mailman/listinfo/ietf