On Thu, 20 Aug 1998 21:06:38 -0400, George Buckner <[log in to unmask]>
wrote:

>It consists of the usual "Unknown command" messages we have come to
>expect whenever someone sends mail intended for the list to the
>Listserv instead.
>
>My question:  Is there any *other* reason a subscriber would get such
>a response?

...

>Is this problem always as simple as it looks?

This is known as the PEBCAK problem:

  'Problem Exists Between Chair And Keyboard'     =8-)