IPN was not sent, and the handshake was not verified. Review your information.
$8-15 USD / hour
종료됨
게시됨 거의 2년 전
$8-15 USD / hour
we are trying to simulate Paypal IPN.
the is it saying " IPN was not sent, and the handshake was not verified. Review your information.
do you know how to solve this problem ?