First Payment from exposeknowledge

last three days I got email from paypal that I receive payment from pankaj***ra@gmail.com for $ 2.1 and it is balance was in exposeknowledge, this its
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Pankaj sent you $ 2.10 USD
Transaction ID: 1YD87170X *******

Dear Herlambang Fahmi,

Pankaj sent you a payment of $ 2.10 USD.
Get the details
Do not see the money in your account?

Do not worry - Sometimes it just takes A Few minutes for it to show up.

Thanks,
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so this proves that exposeknowledge really pay or legit.
I hope its may raise for member here to keep writing.
thanks. :)