I have been using maildroid for a while and while it is very effective and use friendly - it should advise of its faults! The program seems to re-set itself and while you have set the deletion to only delete mail from the phone and not the server, it will re-set itself and delete emails from both locations!! This has happened to me twice and both times I have lost all my emails. UGH very, very frustrating!! Time to start looking for another program!!!