On Thu, 17 Oct 2002 09:16:22 -0700, FEAT <[log in to unmask]> wrote:

>2) What is the rule that triggers this case

OK (on the first line and by itself or followed by a code number) has
always been a valid LISTSERV command.  It is used for a variety of
confirmations.  So,

a) don't begin with OK
b) if you do use OK, don't put it on the first line by itself.