Follow these steps to bulk unsubscribe email addresses from a specific list :
First, access that list by clicking on the list name.

Then, click on "Unsubscribe People" from the left side menu

Copy & Paste the list of email addresses (One email per line).
Then click "Unsubscribe".
First, access that list by clicking on the list name.

Then, click on "Unsubscribe People" from the left side menu

Copy & Paste the list of email addresses (One email per line).
Then click "Unsubscribe".
Published on: 13 / 04 / 2020