4 ms·
Per RFC5321, the local part (before @) _may_ be case-sensitive, but in practice, it almost never is, and relying on case sensitivity is a recipe for disaster.
by sgarland 2y ago
Per RFC5321, the local part (before @) _may_ be case-sensitive, but in practice, it almost never is, and relying on case sensitivity is a recipe for disaster.
The domain must always be case-insensitive.
- jrs235 2y agoMy point being is if you're using email as a key you "have to" treat it as case sensitive even though for most it's not. And yes, I agree it will be a recipe for disaster.