I have a form set up that's only supposed to finish processing actions on  a succesful payment. However it's not working. I'm not in Sandbox mode and the option is checked. I ended up sending out 30 orders to people who did not pay, even though it wasn't supposed to. One of my clients even told me she didn't actually order, she simply "Saved For Later" and that was enough to send me the notifications. Obviously I'm not happy at all.