I had my account configured with email address A and notifications for new lessons enabled, and changed my email address from A to B.
After this, I started receiving notifications for new lessons on both email address A and B.
So it seems address A was not removed from the list, after changing from A to B.
btw: I just tried to "fix" it, by changing back to email address A, disabling notifications and then changing back to B again (and enabling notifications again, so your data is in sync with mailchimp) :)
I had my account configured with email address A and notifications for new lessons enabled, and changed my email address from A to B.
After this, I started receiving notifications for new lessons on both email address A and B.
So it seems address A was not removed from the list, after changing from A to B.
btw: I just tried to "fix" it, by changing back to email address A, disabling notifications and then changing back to B again (and enabling notifications again, so your data is in sync with mailchimp) :)