I'm proud of you for posting here before writing back to him, BUT you know very well that you cannot reply to him IN ANY WAY, or you reopen that door.
If you want your marriage to work, if you truly want the relationship in a marriage you've stated you want you must close the door FIRMLY on that past R, complete NC. By saying BE WELL, and then turning around and saying "we shouldn't stay in contact" you are sending contradictory messages to him....you are contacting him to say lets not contact each other.
His simple statement is feeling you out for a response, just don't go there. No response is best, block his e-mail addy.
