I have tried to create an account using my proton.me email.
The confirmation link never arives.
I have tried multiple times several days apart, email is correct, checked spam, email works for other services.
With gmail it works without problem.
I signed up with a proton.me and it worked like a charm in Dec 2024. And I still got a notification mail in August. Maybe there is a temporary problem with the mail provider or Proton?
I assumed it might be on the discourse’s side. Historically, I had issues with some forums not accepting proton.me or tutanota.de.
Hey, good to have you with us! Have you tried the default protonmail.com domain suffix instead of proton.me? It’ll still hit your account. I have a Proton account and haven’t had any issues.
I’ve tried it but it doesn’t work either…
I don’t know 
I can only tell you that I got a mail when you answered me, so that’s somehow working