This guideline is purposely draft to guide user remove subscriber in batch action.
Enter to Ebuzzzz dashboard with given credential and login portal.
Once enter, click on "Subscriber" tab.
Select "Batch Actions" on the right selection bar.
Tick on the checkbox which the subscriber resides on and insert the email wish to remove under "Remove a select list of addresses". Beware that every line represent one user, please keep one user in one single line.