On Oct 6, 2010, at 4:34 PM, Stephen Dunne wrote: > My thoughts but he swears no new emails. > > Steve just for grins, could your user open Mail.app prefs and test the sounds offered in there just to have a look-see (or a listen-hear)? Also, is it possible that the user has a mail rule such that mail of a particular subject, sender, etc, is deleted upon receipt, but that mail is beeping to alert of the incoming? I myself have made rules in Mail.app to delete certain email as soon as it arrives... cs