>I work for a pan-national member-structured not-for-profit in the Asia Pacific region with WHOIS requirements. We live in this problem space. Cool! So you mus

>I work for a pan-national member-structured not-for-profit in the Asia Pacific region with WHOIS requirements. We live in this problem space. Cool! So you must have some insight then on approximately how common utf8 characters in email addresses might be, yes? If php7 and html5 forms the world-over aren't even validating utf8 emails correctly, they can't be very widely used imho, even in their use-case regions like Asia Pacific, can they?