> >What is the best way to do this?  Should I set it moderated and just
> >not send any submitted postings through?  I'd prefer to just not
> >accept any postings at all during the shutdown.
>
> You could Hold your list, but then all the posts would be released when you
> Freed it.  Your best bet is to issue:
>
> QUIET SET listname NOPOST for *@*

Send=Owner seems easier.