Maybe. I'd certainly think it came from a friend who knows me pretty well. He knew you had a crush on him but given that you're not really in contact he won't have any idea how your feelings might have changed over that time. It depends what you're trying to convey here. If you don't want him to think you still have a crush on him, I think that's fine because there's nothing to clearly show that you do. The most he can have is a suspicion. If you do want him to think you still have a crush on him, I think you need to be a little more obvious about it.