// standard
//$w->whereAdd('act_when > sent'); // eg.. sent is not valid..
- $w->whereAdd("sent < '1970-01-01'"); // eg.. sent is not valid..
+ $w->whereAdd("sent < '1970-01-01' OR sent IS NULL"); // eg.. sent is not valid..
$w->whereAdd('act_start > NOW() - INTERVAL 14 DAY'); // ignore the ones stuck in the queue
if (!$this->force) {