Unfortunately you are lost your money, by a fake middleman. this what our middleman do https://www.playerup.com/pages/middleman-escrow/ and through site not via email or social media.
I posted there and then your site emailed me. So these people got my email through your site are you guys not responsible?
Look at the address email, it's so differenrt they just using email for as a alert all Transactions are done within the site, not via email http://www.playerup.com/pages/middleman-escrow
You most likely gave them your e-mail and/or it was publicly accessible via your information you provided. Don't give him any money.