It was used by Akamai to do automated billing from the edges in the nineties when it was the first network that billed per byte delivered at the edges with multiple tiers.
It is very easy to kill an annoying mosquito in a room if it can hide in 3 places. It is much more difficult if it can hide in thousands.
Sure that could work for a while, even if it's a bit inconvenient for users. Eventually the bastards will filter emails too. Spam filters could certainly be trained to find these notifications.
It was used by Akamai to do automated billing from the edges in the nineties when it was the first network that billed per byte delivered at the edges with multiple tiers.
It is very easy to kill an annoying mosquito in a room if it can hide in 3 places. It is much more difficult if it can hide in thousands.