It appears that Michele Neylon - Blacknight via UA-discuss <michele@blacknight.com> said:
A lot of sites / services still use really bad Javascript (or other) libraries to validate email addresses. So if the TLD is longer than 4 characters it�ll fail. A lot of people who look at UA assume it�s all about IDNs and it really really isn�t.
Indeed, but there is little reason for people who run web sites to care. As we know, the new TLDs have largely failed, and the largest ones are basically fashion accessories in China, where they are unlikely to be used for e-mail. I can make an argument for IDN and EAI support in that it makes the net accessible to people who don't speak languages written in latin alphabets, but I cannot make a plausible argument about why they should care about the 1300 registrants of .hockey. R's, John