I haven't read that this can be done, so, would the following be
valid?
 
SET LISTNAME NOMAIL FOR DD=ddname
(list of"userid@node"s, one per line)
 
I could of course just try it but don't want to run the risk of setting
the entire list (over 2,000) NOMAIL.
 
        Douglas Winship    Austin, Texas    [log in to unmask]