Implementing Email Authetication using Supabase and FlutterFlow can be a bit complicated.
But the real problem is not in Email Authentication, it is instead in Email Confirmation because if you want to force users to confirm their email first, then you have to know a couple of things.
i have just published a video on The LearnNoCode YouTube Channel where i dive deep into this topic and i will show the implementation on both Web & Android, so watch the video below to learn more.