/usr/local/despots/bin/listinfo --project project --list listname
If your archives appear to suck, make sure you are using the new archive system. In your ~project/haus.d/httpd.conf, ensure that your archive.project.codehaus.org site has a single RewriteRule as:
RewriteRule ^/(.*)$ http://archive.codehaus.org/yourproject/$1 [p,qsa,l]
where yourproject is your project name, of course
All administration can be done through email, though command-line tools are also available.