title: Remove Html Tags from textarea
body: <p>Is there a way to remove or not allow to put Html tags in a textarea?</p>
  
  <p>I have a form that send email with a textarea where user put comments.</p>
  
  <p>But I got some spammers, putting html code in the textarea, which appear a form of html when the mail is send.</p>
  
  <p>How can I convince that?</p>