Excellent idea on cc'ing the email. I know you want to take care of things your way, just take the time to assess that's your motive, doing what is best for Dudess.
I know all the vindictive stuff is good fantasy material and not so good in real life. But I do find myself having moments where I really wish I had slapped BF before. Maybe indulge in one little thing that won't cause permanent or lasting damage, like "forgetting" to pick him up from the airport.
If you love somebody, set them free. http://tinyurl.com/2empx2g