You're almost there.
Only if your home server remains unfederated. Even then other users of the server will be able to see everything. And will be more likely to remember, like miss Busy Body.
Uh, a, if not the primary point in my post?
Your IP, your email, will remain private at your local if your admin is responsible. If you act to your comfort level in your engagement, you will remain private in the public sphere.
Praise your local admins! And help them out by petitioning them to study their local laws and come up with proper policy and TOS