HTML5 Email Validation Tutorial
There it goes. Yet another email bounces because a user mistyped it or assumed (rightly so) that your site would accept hwebfdherw@fhberwfuy as a valid email address. If your list is flooded with such addresses, you are likely to experience poor deliverability or your users getting locked out of their accounts more often than you would wish. Luckily, it’s easy to set up a decent email validation in HTML5. Let’s see how.