No the problem is developers confusing validation with verification. You can’t validate your way to a correct address and it’s wrong to try. If your goal is to

No the problem is developers confusing validation with verification. You can’t validate your way to a correct address and it’s wrong to try. If your goal is to catch typos you’re better off with very lax validation plus a library that suggests corrections like “gmail.com” for “gnail.com” (both of which are of course technically valid domains)