<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">Em 13 de set de 2017, à(s) 02:48:000, Andrew Sullivan <<a href="mailto:ajs@anvilwalrusden.com" class="">ajs@anvilwalrusden.com</a>> escreveu:</div><br class="Apple-interchange-newline"><div class=""><div class="">On Tue, Sep 12, 2017 at 05:31:55PM -0300, Rubens Kuhl wrote:<br class=""><blockquote type="cite" class=""><br class="">Single IDN TLDs for some scripts is something being considered for subsequent procedures, so I would think of 1 or more and prevent the same UA challenges previous rounds TLDs are suffering.<br class=""><br class=""></blockquote><br class="">Wait, what? Like "localpart@IDN-TLD"? </div></div></blockquote><div><br class=""></div>Nope, like <a href="mailto:localpart@domain.TLD" class="">localpart@domain.TLD</a> , but where TLD is a single-character IDN in languages where a character means a whole concept in that single character. </div><div><br class=""></div><div><br class=""><blockquote type="cite" class=""><div class=""><div class=""> That won't work. It would<br class="">require an update of the mail standards. (I explained this to people<br class="">many years ago when they were preparing marketing materials about<br class="">'someone@brand', and was of course ignored by people who wanted to<br class="">cash in on snake oil sales, but it still doesn't work.)<br class=""></div></div></blockquote></div><br class=""><div class=""><br class=""></div><div class="">I do agree that a dotless address violates <a href="https://tools.ietf.org/html/rfc5321" class="">https://tools.ietf.org/html/rfc5321</a> , but in 5321 I couldn't find during a quick look a requirement on TLD length. </div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">Rubens</div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div></body></html>