3 ms·
According to the IETF standard for IDNA it is invalid. https://itp.cdn.icann.org/en/files/security-and-stability-advisory-committee-ssac-reports/sac-095-en.pdf
by AndyMcConachie 3y ago
According to the IETF standard for IDNA it is invalid.
https://itp.cdn.icann.org/en/files/security-and-stability-advisory-committee-ssac-reports/sac-095-en.pdf https://itp.cdn.icann.org/en/files/security-and-stability-ad...
https://www.icann.org/en/system/files/files/idn-emojis-domain-names-13feb19-en.pdf https://www.icann.org/en/system/files/files/idn-emojis-domai...
- aprilnya 2y agogTLDs have to follow that, ccTLDs not necessarily (is what I got from comments on the original discussion of this blog post.) Even if emoji was invalid, unicode in general is valid in domain names, and should be converted to punycode. Local domains exist too. It’s not the email client’s job to decide whether a domain is valid, it’s DNS’.