This is a strange question but here goes:
I import a list with 400 people who we consider 'active'.
3 months from now, 100 of those will become 'inactive' and will need to be removed.
I have a way to know who those 100 are along with their emails.
Is there a way to import the 100 emails of those going 'inactive' and that somehow triggers the listing to automatically remove them?
Basically it's a compare, tag, and delete function.
Is that even possible???