How do I do it?
The email login option using IA account credentials is not working.
I thought it was through IA account IDP.

How do I do it?
Well, I was logged in, and then I had to try to experiment, and now I can't log in either
I'll see who I need to talk to internally; this might be related to some rollouts of our new account system internally.
Being able to log in to the Ideas Portal sounds like a great idea. Someone should add it to the Ideas Portal… oh wait…