They provided the backup e-mail address
Upon receiving the recovery email from Proton Mail, Spanish authorities further requested Apple to provide additional details linked to that email, leading to the identification of the individual.
Just in case anyone thinks they decrypted mails and handed them over, nope. I hadn’t thought about that “settings” are not encrypted. Guess if you want to stay anonymous you shouldn’t add your private mail address in there as a backup.
Yeah. Even if they couldn’t hand over recovery emails, having a personal email as a backup to a “private and sensitive” email account is bad practice.
But what do you do if that field is needed? A throwaway address won’t work as it’s easy to recreate. Buy your own domain and run a server?
I put the Simplelogin email alias as my backup mail. Which forwards mail to my proton, so I guess it isn’t really a backup. Even more so if you realize I need to sign into simplelogin with my protonmail account and protonmail owns Simplelogin.
Ah yes the email ouroboros