Are you really sick of this spammer?
Then there is only one thing you can do: RETALIATE SEVERELY!
He's not going to stop sending you spams unless you make him
believe that sending spams to really hurt him! Just imagine
that 100 of you retaliate severely at the same time, what
can happen to him? It's up to your imagination. This guy's
spams consist of Canadian Pharmacy, Bogus degree, Stock spams,
fake jewerly, pirated software, etc. When you receive spams,
do the followings;

(1) Find out phone numbers and publish and here and there.
(2) He tends to change domains. So check whether that's stable
domain, if stable then publish.
(3) Check website and send complain form mails from the website.
(4) Forward all the spam emails to the following email address;

[email protected]
[email protected]
[email protected]
[email protected]
[email protected]

Then he will get your message.
Don't complain. Take actions!