There are two ways:

1) QUIET DEL listname UsErId@node
      QUIET ADD listname userid@node fn ln

2) SCAN listname UsErId@node

and if none is found, then

QUIET ADD listname userid@node fn ln

/Pete

At 10:10 07/05/1999 Monday , Jacky Foo wrote:
>Is there a way to avoid duplicate names of subscribers just because
>LISTSERV is unable to differentiate an address because it is case
>insensitive ?