Index: trunk/kernel/include/emailmessage.php
===================================================================
diff -u -r858 -r899
--- trunk/kernel/include/emailmessage.php	(.../emailmessage.php)	(revision 858)
+++ trunk/kernel/include/emailmessage.php	(.../emailmessage.php)	(revision 899)
@@ -845,7 +845,7 @@
             $data = $rs->fields;
 			$this->DeliverMail($data["toaddr"],$data["fromaddr"],$data["Subject"],$data["headers"],$data["message"],1);            
             
-            $del_sql[] = "DELETE FROM ".$this->SourceTable." WHERE queued=".$data["queued"];
+            $del_sql[] = "DELETE FROM ".$this->SourceTable." WHERE queued='".$data["queued"]."'";
             $rs->MoveNext();
         }