So when I tried this way I got the following output: user'@'host:~$
doveadm -o plugin/mail_crypt_private_password=desired_password mailbox > cryptokey generate -u user -UR user'@'host:~$ And when I tried this way I got the following output: user'@'host:~$doveadm -o plugin/mail_crypt_private_password=desired_password mailbox cryptokey generate -u user -UR Folder Public ID user'@'host:~$ In both cases I sent a new email to the server, and I got errors stating the mailbox can't be opened Sent with [ProtonMail](https://protonmail.com) Secure Email.