echo -n your_sanitized_mail@domain.tld | openssl dgst -sha256 -binary | base64 | tr '/' '_' | sed 's/=//g'
(works on zsh with macOS, your shell may vary) ;-)
echo -n your_sanitized_mail@domain.tld | openssl dgst -sha256 -binary | base64 | tr '/' '_' | sed 's/=//g'
(works on zsh with macOS, your shell may vary) ;-)