diff --git a/code/Newsletter/NewsletterEmailProcess.php b/code/Newsletter/NewsletterEmailProcess.php
index b270850d..04773d7f 100755
--- a/code/Newsletter/NewsletterEmailProcess.php
+++ b/code/Newsletter/NewsletterEmailProcess.php
@@ -8,7 +8,12 @@ class NewsletterEmailProcess extends BatchProcess {
 	protected $nlType;
 	protected $messageID;
 	
-	function __construct( $subject, $body, $from, $newsletter, $nlType, $messageID = null, $only_to_unsent = 0) {
+	/** 
+	 * Set up a Newsletter Email Process
+	 *
+	 * @recipients A DataObject containing the addresses of the recipients of this newsletter
+	 */
+	function __construct( $subject, $body, $from, $newsletter, $nlType, $messageID = null, $recipients) {
 		
 		$this->subject = $subject;
 		$this->body = $body;
@@ -16,14 +21,8 @@ class NewsletterEmailProcess extends BatchProcess {
 		$this->newsletter = $newsletter;
 		$this->nlType = $nlType;
 		$this->messageID = $messageID;
-		
-		$groupID = $nlType->GroupID;
-		// Allow sending to only those who have not already received it.
-		if (0 == $only_to_unsent) {
-			parent::__construct( DataObject::get( 'Member', "`GroupID`='$groupID'", null, "INNER JOIN `Group_Members` ON `MemberID`=`Member`.`ID`" ) );
-		} else {
-			parent::__construct( $newsletter->UnsentSubscribers() );
-		}
+
+		parent::__construct( $recipients );
 	
 	}
 	
diff --git a/code/NewsletterAdmin.php b/code/NewsletterAdmin.php
index dcb2bdcd..3e4d4a2a 100755
--- a/code/NewsletterAdmin.php
+++ b/code/NewsletterAdmin.php
@@ -440,12 +440,17 @@ class NewsletterAdmin extends LeftAndMain {
 				}
 			    break;
 			case "List":
-      	echo self::sendToList( $subject, $body, $from, $newsletter, $nlType, $messageID );
-			break;
+				// Send to the entire mailing list.
+				$groupID = $nlType->GroupID;
+				echo self::sendToList( $subject, $body, $from, $newsletter, $nlType, $messageID,
+					DataObject::get( 'Member', "`GroupID`='$groupID'", null, "INNER JOIN `Group_Members` ON `MemberID`=`Member`.`ID`" )
+				);
+				break;
 			case "Unsent":
+				// Send to only those who have not already been sent this newsletter.
 				$only_to_unsent = 1;
-      				echo self::sendToList( $subject, $body, $from, $newsletter, $nlType, $messageID, $only_to_unsent);
-			break;
+      				echo self::sendToList( $subject, $body, $from, $newsletter, $nlType, $messageID, $newsletter->UnsentSubscribers());
+				break;
 		}
 
 		return FormResponse::respond();
@@ -457,8 +462,8 @@ class NewsletterAdmin extends LeftAndMain {
         $email->send();
     }
 
-    static function sendToList( $subject, $body, $from, $newsletter, $nlType, $messageID = null, $only_to_unsent = 0) {
-        $emailProcess = new NewsletterEmailProcess( $subject, $body, $from, $newsletter, $nlType, $messageID, $only_to_unsent);
+    static function sendToList( $subject, $body, $from, $newsletter, $nlType, $messageID = null, $recipients) {
+        $emailProcess = new NewsletterEmailProcess( $subject, $body, $from, $newsletter, $nlType, $messageID, $recipients);
         return $emailProcess->start();
     }