I realize you're setting a boundary, but given the history you've described of being critical of him, why do you expect that he will receive this email any differently than any other time you've tried to discuss the relationship?
Me: 44, Wife: 39 M: 17 years T: 20 years Bomb on 08/25/09 1/13/10: MC started 1/28/10, 2/8/10: More bombs 8/28/10: Wife moved out No talk of D, no movement