The message is fake and the attachment contains a virus. So don't open it!
A couple of obvious indicators:
1. The town name is Chatham, not Chatam. There is a real Chatham Town Court. They had nothing to do with it so please don't bother them.
2. In NY at least, the police and courts do not serve traffic tickets on people via e-mail. The law requires that such a ticket be served by hand, and it is almost always done by the police officer when they stopped you.
You can read more about this in an advisory from the New York State Police and on Snopes.
Also, click here to see what a real NY speeding ticket looks like, with an explanation of the contents.
