sandbox test and no receive any notification

[JH]

Hi i'm trying to install paypal on an old classic asp website but i have problem testings with the sandbox.I can make paiment wich are accepted but i see nothing on my notify.asp wich is supposed to tell me if selling is ok or not. i wonder if i use the good adresse for testing on this page my code to know what is the answer status of paypal is :' PayPal verification\[code\]set objHttp = Server.CreateObject("Msxml2.ServerXMLHTTP")if err.number <> 0 then set objHttp = Server.CreateObject("Microsoft.XMLHTTP")str = Request.Form & "&cmd=_notify-validate"objHttp.open "POST", "https://www.sandbox.paypal.com/cgi-bin/webscr", falseobjHttp.setRequestHeader "Content-type", "application/x-www-form-urlencoded"objHttp.Send strif objHttp.status <> 200 then set objHttp = nothing Response.Redirect "error.asp"end ifret = objHttp.responseTextset objHttp = nothing' Check notification validationif (ret = "VERIFIED") then 'paiment is ok i write my databse to confirm and send a email telling ok else 'paiment not ok i send a mail telling not ok end if\[/code\]where is my error cause i don't receieve anymail...Thx for any help.