this post was submitted on 18 Aug 2025
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I don't care who the IRS sends, I am not validating emails with spaces on them.
You shouldn’t be validating emails yourself anyway. Use a library or check for only the
@
and then send an email confirmation.Even if it's a completely valid address and the domain exists, they still might've fat fingered the username part. Going to extreme lengths to validate email addresses is pointless, you still have to send an email to it anyway.
This is the way.