When an email is confirmed and its the first (only) one, it should automatically become the primary.
Right now it is not obvious that you need to take a second step of selecting your one address as the primary. And if you don't do that, you won't get notifications since you don't have a primary address.
in progress-> pranav sharma
pr/8018
Merged https://forge-allura.apache.org/p/allura/git/merge-requests/52/