Hope, I read your posts. I want to be supportive. I guess my suggestion is to talk to him about these things. There's probably a reason. Maybe you should discuss...again(if you did it in the beginning) the parameters of your client/t relationship with him. Ask him why he didn't respond to the emails in question. My guess, and I don't know, so its really a shot in the dark, but it might have to do with the number of and or nature of the emails, given the intermittent nature of sessions and newness of your client/t relationship. But only he would have those answers for you. The only reason I suggest talking to him, is maybe you can renegotiate the relationship. I'm sorry you are struggling with another T. I hope you get some answers or find one you can work with regularly.

ETA: I Think ignoring the emails was rude either way. However I think it still beneficial to find out why.