Ask nhờ pro giải thích giùm postback ppd là gì

[danhnguyen123]

Hey there,
Good news! We have received the postback needed for you to download your file. You can now download your file by clicking the link below


Note: Please note if you already downloaded your file, this link will be expired.


Thank you for using DollarUpload!

nó còn gửi 1 cái link để mình down nữa