code: function MailSend($header, $body) {
          $to = "";
          for($i = 0; $i < count($this->to); $i++)
          {
              if($i != 0) { $to .= ", "; }
              $to .= $this->to[$i][0];
          }
  
          if ($this->Sender != "" && strlen(ini_get("safe_mode"))< 1)
          {
              $old_from = ini_get("sendmail_from");
              ini_set("sendmail_from", $this->Sender);
              $params = sprintf("-oi -f %s", $this->Sender);
              $rt = @mail($to, $this->EncodeHeader($this->Subject), $body, 
                          $header, $params);
          }
          else
              $rt = @mail($to, $this->EncodeHeader($this->Subject), $body, $header);
  
          if (isset($old_from))
              ini_set("sendmail_from", $old_from);
  
          if(!$rt)
          {
              $this->SetError($this->Lang("instantiate"));
              return false;
          }
  
          return true;
      }
docs: Sends mail using the PHP mail() function.
  @access private
  @return bool