View this page as https://cs.uwaterloo.ca/twiki/view/CF/MailManManagementLinks?mmlist=LISTNAME
But replace the word LISTNAME with the actual name for your list. (Probably that has already been done for you...)
Most of the above are one or two links away from general administration page
See...
Options dealing with archiving, including whether-or-not you keep archives...
View archives at (usually)
At least one administrator should periodically check
and attempt to handle any pending requests which might be there.
See...
-- AdrianPepper - 2018-12-14