There’s one more possibility Dan.
Your ISP may be blocking them. It happened with Comcast at one time. They get so many notification from a site that their spam filter pulls them.
I recall James trying to explain that it’s their customer that requesting these notifications. They would reset it, then a couple months later it would be blocked again.
Bottom line, they are going out from Ido.
I’ll check with the Wizard Dave…but…