I get so many emails from recruiters that say something along the lines of, “I’m a recruiter at X recruiting firm and I work with national firms. Would you be interested in exploring other opportunities?”
That gives me absolutely nothing to distinguish you from the other five-to-ten identical messages I receive on a weekly basis. I will never respond to that kind of message, and I doubt many others would either.
If you want a response, you either need to list specific job openings you’re trying to fill, explain why your specific experience lines up with my profile (Are you an alum of my firm or have you placed alums elsewhere? Do you primarily work with former judicial clerks?), or something else that makes working with you make any more sense than picking a name out of a hat.