Comment on I'm locked out of my 6 year old Chipotle account because they now say my email address is invalid when I login. Here is me asking for their help:

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dan@upvote.au ⁨11⁩ ⁨months⁩ ago

You can use symbols like [ ] . { } ~ = | $ in the local-part (bit before the @) of email addresses. They’re all perfectly valid but a lot of email validators reject them. You can even use spaces as long as it’s using quotation marks, like “hello world”@example.com.

A lot of validators try to do too much. Just strip spaces from the start and end, look for an @ and a ., and send an email to it to validate it. You don’t really care if the email address looks valid; you just care whether it can actually receive email, so that’s what you should be testing for.

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