He didn't have to do any such thing. He just made you aware that it's possible to forge emails as well as hack into accounts and alter them. How you weren't already aware of this is anyone's guess but you can hardly play ignorant about it. Well, you can I suppose but not exactly a good idea if you want any sort of credibility...
Another who can't back what he says. Ok, Arthur no-Brain, demonstrate a forged e-mail. Just forge a simple e-mail between Trump and Putin.
Put-up or shut up.
Who am I kidding. You're never going to stop spouting nonsense.