It doesn't matter who sent the email, but it could have been a little more informal. I'm putting my money on the ow sending it to you. You did the right thing by shooting one back with a copy of the page. I saw absolutely nothing wrong with what you did.
Do what you know is right for you.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.