Is this really going to protect you? I get the feeling it'll just give you a false sense of security. They will still know who you are sending email to and rec

Is this really going to protect you? I get the feeling it'll just give you a false sense of security. They will still know who you are sending email to and receiving from. The recipient metadata is unencrypted correct? As we've seen recently—the metadata often reveals more than the message content.