You can review documentation on the Inter-Search list serve at the Inter-Search FAQ site:

http://www.intersearch.com.au/support.html

A general users FAQ is available at: http://listserve.prosentient.com.au/faq.php

A detailed users guild is available at http://www.prosentient.com.au/intersearch/docs/list_serve_user_guide.doc

A full administrative panel to add users is available to State and National administrations using the ADMINISTRATION button.