Cleanfox is a special app that is a special app that can be used to unsubscribe from unwanted newsletters quickly and conveniently. The app deleted spam and newsletters with a single click, saving users a lot of time and trouble by not having to go through their emails one by one and taking care of the junk manually. It should be noted that while Cleanfox works flawlessly with Gmail, certain Yahoo users may find that the tool leaves a little to be desired and may send error messages for no apparent reason.