I think there's some confusion going on... I just received this e-mail:
"You may not have heard from us in a little while. This is normal. Most of the progress on your application happens closer to your estimated completion date.
We send messages to your account if we need something from you. When we do that, we'll also send you an email to this address:
xxx@xx.ca.
Learn more about what to expect while you're waiting for us to process your application."
The subject has the application Number, but that's it. This isn't really the regular AOR but could be confused with it, I suppose?