Talking about PTR program, Does "TheRichestMails.Com" is a SCAM ???

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Hi, I became a member of this program since, last month, and now I already earned USD18000.00 where the minimum payout USD 20000.00, I am sure I will reach the minimum payout in couple of days. But, I am still worry, They will pay me or not ? I still do not know this site a scam or not ? Pls share your info for me...