Dolf has been banned – we try to stay on top of this, but unfortunately we cannot get them real time. It is a hard balance – security / usability. If it becomes much more abused, we will tighten things down further.
Back to on topic, we have been investigating. At first, I can tell you I could not reproduce the problem you are seeing, but we are checking out some things. Sorry for the time it is taking to get you an answer.