On 2008-07-06 01:00, John Levine wrote: ... >> How many label our hosts with two letter domain names? > > Beats me, but since there are several hundred TLDs, it seems to me that > the chances are pretty low that everyone in the world has managed to > avoid using them as host names. Back in the early days, when Czechoslovakia existed, and cs. was active, I recall cs.ucl.ac.uk causing great difficulty. Of course, the difficulty was due to email systems doing pragmatic things about JANET formats, before MX records were in use. We also had great difficulty, I remember, with uk.oracle.com. ... > Look, we all know there's an unlimited number of ways one can screw up > mail and web configuration. Right, so let's make that even *more* likely... Brian _______________________________________________ Ietf@xxxxxxxx https://www.ietf.org/mailman/listinfo/ietf