>Nathan et al: I *know* "how to create the aliases" is MTA dependent.
>Would it be possible for The Next Release to check for the existence
>of a user-supplied helper program and run it at list creation time?

I don't know.  This is something Eric would have to answer.  As you
know LISTSERV was not designed to let Joe Random User create his own
lists.  Since LISTSERV doesn't have any kind of special privs (read,
'root') I don't see how it could execute a helper program that needed
root access...

Nathan