Didn't you already state that you'd wouldn't go to counseling without her ending the affair?

I don't see anything in her email that even touches on issues with coparenting, so... Do you really have to respond to the email? What happens if you sit on it for a while? Or just don't respond?

Me: 45 W43
S7, Foster S9 (Planning to adopt post divorce)
D mentioned Feb 2015, Wife served 3/24/2015. She moved out 4/15/2015.