Exchange 2016 at home

Is it possible to install, configure, and use Microsoft Exchange Server at home with gray IP? Yes, of course. What for? Just for fun.

Scheme

How I did it.

Exchange 2013 - 2016. Email in Draft: You don't have permission to perform this action

Today I faced with interesting behavior of Exchange 2016. After the initial configuration I tried to send the email and got the error "You don't have permission to perform this action".