$query=$this->db->query("INSERT INTO ".TABLE_RETENTION_RULE." (`domain`,`from`,`to`,`subject`,`_size`,`size`,`attachment_type`,`_attachment_size`,`attachment_size`,`spam`,`days`) VALUES(?,?,?,?,?,?,?,?,?,?,?)",array($domain,$data['from'],$data['to'],$data['subject'],$data['_size'],$data['size'],$data['attachment_type'],$data['_attachment_size'],$data['attachment_size'],$data['spam'],$data['days']));