as per the e-mail paypal sent to me which is also similar to yours, you will have to pay an upfront payment of 300$ out of your pocket via Western Union Money Transfer at your post office or any nearest Western Union agent around you to the shipping agent address given to you, and you will be given the information requested which you will e-mail to paypal by replying to the confirmation mail sent from them regarding the details you have from Western Union ...and you will receive the whole money in your account without any delay, kindly read the mail sent to you very well...