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    Posted by stymiee 11 months ago

    Even if you correctly define what a properly formatted email address is and validate an email address against it, you still do not know if that email address can receive emails and is even in the possession of the user who claims to use it. Depending on your business rules, having a properly formatted email address may be enough. Or you may need to confirm the user can receive emails at the provided email address for the business relationship to progress.