The main problem is that MyFlorida.com is a government web site.
They hold three registered marks:
http://tarr.uspto.gov/servlet/tarr?r...entry=76127199 http://tarr.uspto.gov/servlet/tarr?r...entry=76126188 http://tarr.uspto.gov/servlet/tarr?r...entry=76126290
The C&D is not a decision, it's a "warning" to comply with their request, or else they would proceed as they see fit to protect their tm. This could include the filing of a UDRP, a lawsuit for punitive damages or both.