title: hard bounce back notification not being received immediately
body: <p>We have an exim server setup and configured. The email is being sent by godaddy relay server. In Section: ROUTERSTART, we have specified the following:</p>
  
  <blockquote>
    <p>send_to_smart_host: <br/>
    driver = manualroute <br/>
    route_list = !+local_domains #godaddy relay server# <br/>
    transport = remote_smtp</p>
  </blockquote>
  
  <p>We have already made the below setting in exim configuration:
  return_path_remove = false</p>
  
  <p>When there is a soft bounce (e.g.: mail quota exceeded), we receive an almost instance bounce back notification email on the email address specified in the return path (while sending the email).
  However, when there is a hard bounce (e.g.: email or domain does not exist), we don't receive any bounce back notification.</p>
  
  <p>Can someone please let me know if we are missing an exim configuration? Or if anything needs to be done while sending email?</p>
  
  <p>We use PHPMailer to send email.</p>