With standard email systems, it's very easy to see that you are responding to email from [email protected].

Suppose that information was taken home by a rogue counsellor who started and an inappropriatre relationship? Less dramatically, what if a printout wasn't properly shredded?

Do your local "data protection" laws or policies relax when you don't have identifying information?

Private Box ensures that email addresses such as [email protected] can only be seen as vx8ikk14xq036kien2v0vdolr#@a.non. With Private Box, you can view the real address of a sender.