diff --git a/system/libraries/Email.php b/system/libraries/Email.php
index f30fe40..d870f97 100644
--- a/system/libraries/Email.php
+++ b/system/libraries/Email.php
@@ -59,6 +59,7 @@
 	public $crlf		= "\n";			// The RFC 2045 compliant CRLF for quoted-printable is "\r\n".  Apparently some servers,
 									// even on the receiving end think they need to muck with CRLFs, so using "\n", while
 									// distasteful, is the only thing that seems to work for all environments.
+	var $dsn		= FALSE";		// Delivery Status Notification
 	public $send_multipart	= TRUE;		// TRUE/FALSE - Yahoo does not like multipart alternative, so this is an override.  Set to FALSE for Yahoo.
 	public $bcc_batch_mode	= FALSE;	// TRUE/FALSE - Turns on/off Bcc batch feature
 	public $bcc_batch_size	= 200;		// If bcc_batch_mode = TRUE, sets max number of Bccs in each batch
@@ -1567,9 +1568,11 @@
 						$resp = 250;
 			break;
 			case 'to'	:
-
-						$this->_send_data('RCPT TO:<'.$data.'>');
-
+						
+						if($this->dsn)
+							$this->_send_data('RCPT TO:<'.$data.'> NOTIFY=SUCCESS,DELAY,FAILURE ORCPT=rfc822;'.$data);
+						else
+							$this->_send_data('RCPT TO:<'.$data.'>');
 						$resp = 250;
 			break;
 			case 'data'	: