They use a regex such as /[a-z]+(\.[a-z]{2,3}){1,2}/ There’s a lot of bad email ... | Hacker News

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		zarzavat on June 1, 2022 \| parent \| context \| favorite \| on: Using a catch-all domain is a mistake They use a regex such as /[a-z]+(\.[a-z]{2,3}){1,2}/ There’s a lot of bad email validation regexes floating around on the internet. If it’s an older service it may have been written before gTLDs.

jrnichols on June 2, 2022 [–]

I have an address that ends in .fyi and continue to encounter systems that refuse to accept it as a valid domain. It's really frustrating but at least I have a .com that I can enter into those and just forward it.

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