We have a static marketing list (Let's call it List X) that we use for a number of purposes. Over time we have deactivated a number of contacts who were on the List X. However, when we send messages to List X, the system still sends messages to the deactivated inactive contacts.
Interestingly, when you search List X using the search function the names don't appear (because they are inactive) but when you scroll manually they are still there. Aside from deleting all of them manually, any thoughts or suggestions?