I always thought that if the NSA really wanted to target my data, they would a) Hand me a letter signed by a judge. b) Delay my luggage at the next convenient

I always thought that if the NSA really wanted to target my data, they would a) Hand me a letter signed by a judge. b) Delay my luggage at the next convenient airport and have a look. c) Have someone break into my house. d) Have someone rob me personally. For all these, a self-hosted mail server offers no protection whatsoever. And for none of them, any zero day exploits are needed either.