// send message 
      $emailTemplate = "emails/user-new-signup.php"; 
      $emailHeaders  = emailTemplate_load(array( 
                        'template'     => websiteLogin_pluginDir() . "/$emailTemplate", 
                        'subject'      => '', // set in template 
                        'from'         => '', // set in template 
                        'to'           => $_REQUEST['email'], 
                        'placeholders' => array( 
                          'username' => array_key_exists('username', $_REQUEST) ? $_REQUEST['username'] : $_REQUEST['email'], // if using email as username then show that instead 
                          'password' => $_REQUEST['password'], 
                          'loginUrl' => "http://" . $_SERVER['HTTP_HOST'] . $GLOBALS['WEBSITE_LOGIN_LOGIN_FORM_URL'], 
                        ), 
                      )); 
      $mailErrors   = sendMessage($emailHeaders); 
      if ($mailErrors) { die("Mail Error: $mailErrors"); }

  $to      = "my_email@example.com"; 
  $subject = "Test Email Message"; 
  $message = "This message is to test the server's ability to send to an address containing an underscore."; 
  $success = mail($to, $subject, $message); 
   
   
  if (!$success) { 
    echo "ERROR!  Message Could Not Be Sent!"; 
  } 
  else { 
    echo "Message Sent Successfully!"; 
  }