email notifications of what?
If you haven't been on since the end of 2016, there was a server crash, a move to another server, and most but not all functionality has been restored. If you got email notifications about certain threads, etc before and are not getting them now it does not surprise me.
If you surrender a civilization to avoid social disapproval, you should know that all of history will curse you for your cowardliness - Alice Teller
If John of Patmos would browse the internet today for half an hour, I don't know if the Book of Revelations would be entirely different or entirely the same.