>Hi all,
>
>If I add an "outside" user to the internal listserv manually. Can this user
>post to the internal listserv?

It depends on your setup.  What is the configuration of the mailing
list in question?

Thanks,
--
Jacob Haller, Technical Support, L-Soft international, Inc
  LISTSERV (R) is a registered trademark of L-Soft.
   Support is available 9:00-18:00 ET, Monday-Friday
    except on the following holidays:
     http://www.lsoft.com/products/default.asp?item=holidays