That's not true. By default (to be useful), email are expected to be read by at least one other party. Further more, since the security ability of the other par

That's not true. By default (to be useful), email are expected to be read by at least one other party. Further more, since the security ability of the other party is unknown, it's expected that any email you send can be forwarded around. Also, any level of law enforcement can probably get their hand on a copy of emails ...