Bounce back unwanted e mails so it looks as if your email address is not valid. Additionally spam is marked in a red color and your good email is marked as a green color for quick analysis. You can even hide your friends from the screen so the spam is easy to recognise. Tell others. No flashy gimmicks so easy to use that you won’t feel like you have to learn a whole new program. This ensures you wont download any nasty emails to your computer.