You need to visit the mailing list webpage in order to unsubscribe from a list.
Note! If you are unsubscribing to another list you change the path in consistence to the list.
At the bottom of the page is the column “hi-starf subscribers”.
Type your username and password a click “unsubscribe or edit options”.
A new page opens up where you need to click Unsubscribe.
A confirmation appears at the top of the page saying "the confirmation email has been sent".
In the final step you need to log on to your e-mail and confirm the unsubscription by clicking the link and choose reply.