You need to set your preferences in Microsoft Exchange so that it doesn't create the Windat. file, which Listserv does not understand. At 12:40 PM 6/11/97 +0900, Eng-Leong \"Jacky\" Foo wrote: >For unknown reasons my machine behaved differently yesterday. (I have not >made any changes) > >whenever I send a command to listserv, there seem to be a hidden message >that LISTSERV detects. > >It looks like this (see below).