sendEmail.php

$body = "Unable to upload Order: " . $orderId;
      	$mail = new Zend_Mail();

      	$mail->setBodyText($body);

      	$mail->setFrom($fromEmail, $fromName);

      	$mail->addTo($toEmail, $toName);

      	$mail->setSubject($subject);
        if (Mage::getStoreConfig('h2oordertoftp/failsafe/report_file'     ,Mage::app()->getStore())){
          $file = file_get_contents($filepath);

          $mail->createAttachment($file,'text/xml',Zend_Mime::DISPOSITION_ATTACHMENT,Zend_Mime::ENCODING_BASE64,$orderId . '.xml');
        }

        try {
            $mail->send();
            return true;
        }
        catch (Exception $e) {
            Mage::logException($e);
            return false;
        }