Unsubscribing from contact lists
  1. questionHow are unsubscribes handled? Are they deleted or marked as inactive?
  2. questionHow can I make the Unsubscribe shorter and cleaner?
  3. questionCan I unsubscribe a user from many contact lists at once?
  4. questionHow can I create my own unsubscribe link with my own words, or an unsubscribe image?