Daily auto-sync lists
If you have access to one or more daily auto-sync lists, they will appear in your “groups." The lists are named as follows:
...
Individual recipients on these lists can still elect to unsubscribe (opt out) from emails sent to them from a given subaccount. Unsubscribing from one subaccount does NOT cause the recipient to be unsubscribed from all Harvard Chan School subaccounts.
Groups, segments, subscriptions
...