from their privacy policy lol

if you use proton pass, you may also set a default alias domain there

please test your pills! fentanyl test strips are cheap and widely available. you can also use reagent tests to confirm what is (and isnt) in them. DanceSafe is a great resource for this: https://dancesafe.org/

As far as I understand it, this is only recovery emails and I think it explicitly has some sort of warning about this when setting it. This is different than the email prompt on sign up.