> If nothing, then subscriber must issue
>
> SET listname SUBJ

Pete.. wouldn't that be

set listname SubjectHDR
?

or for the list owner.. to have that for all current subcribers..

set listname SubjectHDR for *@*

and to make it so for all future subscribers.. place SubjectHDR in the
default-options=  line
?

  ...Cleo  [log in to unmask]