title: how can set bounce back email phpmailer
body: <p>I am making a email marketing system in which I am sending emails in bulk and there are chances to bounce some emails. I need a solution so that all the email addresses which are spelt incorrectly or failed to send due to any error, should back into the specified address.
  Please help me how can I meet these requirements with phpmailer.</p>
  
  <p>Thanks in advance</p>