I clicked on your username on the mail list archive and see you only belong to the "Anyone" group.
This means you have not registered at the archive. Once you are registered and logged in the options I listed should appear on the MORE menu.
If it does not then contact Kai Krueger who, I see, created the archive and ask him to adjust the permissions.
Volunteer Helper - but recommending that users move off the platform!
Once the admin for GregHelp now deleted.