ZWiki is based on Zope, and for some reason you have to go through the Zope Management Interface (ZMI) to be recognized as a wiki admin.
So:
- Go to https://savannah.gnu.org/ZopeAdmin/maintenance/manage_workspace (and fill in login/pass)
- Then go to https://savannah.gnu.org/maintenance/
You should be admin now. You can check this by looking at the end of the current wiki page; you'll see reparent/rename/delete!/create buttons.
The mail server configuration for the wiki is under Root folder -> Mailhost. Changes to this wiki are sent to the savannah-cvs list.
Don't try to use the Zope Management Interface, usually it doesn't play well with ZWiki. For example, if you edit a page through the ZMI, no email notification will be sent (it still shows in the page history though).
Apparently a special cookie is set when you go to the ZMI, more exactly in the 'maintenance' ZWiki instance in the ZMI. We're looking for a way to automatically set this cookie whenever an admin is logged - please help! :)