this has changed
The SuperAdmin is just able to enable main service, delete distributions list.
On the organization you need to create an user, affect this user to a group, set in this group the "mailman privilege"
Turn on
https://server:9000/user-backup/logon.phpThis is the End-user interface.
Logon has the user that have mailman privilege.
go into messaging, you will be able to create lists.