How to make a decision to avoid any fraudulent?

the lender Firm don't allow me to speak to the officer Bank except to confirm that the payment must be bank in soon so that the transfer will be released any time without delay. Do you think so? that is what i received from the unknown person through an email recently.
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No legitimate lender ever requires fees in advance of receiving a loan. Any fees would be taken out of the amount of the loan you are granted. That way they get paid only when you actually get your loan. If you pay in advance, you will never get your loan, and since the person is unknown, you will have no recourse.