Quoting for screenshots:
There's a (Dutch) name in his email address. That may be fake, or it may be real if he didn't plan on scamming anyone but took the opportunity when you offered it.
If it's his real name, it might be useful to track him down.
His username is a domain name, that may help too.

I've archived Coolserver.host's post history:
https://archive.is/AgzKu
https://archive.is/bFUlP
https://archive.is/ouzyv
https://archive.is/BjeLb
https://archive.is/pxezc