On Fri, 28 Mar 2008, Keith Moore wrote: > > If there were some serious technical consequence for lack of the MX record I would be > > all for specifying its use. Operational practice with A records shows that > > there is no real issue, > > only if you ignore the problems that have been observed and the > increased likelihood of such problems occurring in IPv6. Perhaps you could help us out and share a reference to documentation of such problems. I for one have not personally observed any problems related to using the A record to locate a mail server when there is no MX. As a result I have no clue why IPv6 will increase such problems. My sense is that quite a few posters to this thread also lack your perspective. Dave Morris _______________________________________________ IETF mailing list IETF@xxxxxxxx https://www.ietf.org/mailman/listinfo/ietf