"If you have end-to-end encryption you can't sanitize in the client." I think you meant to type that you can't sanitize in the "server"? Because with end-to-en

"If you have end-to-end encryption you can't sanitize in the client." I think you meant to type that you can't sanitize in the "server"? Because with end-to-end encryption the server has no access to the plaintext to be sanitized. Only the client can sanitize, only the client has the plaintext.