As of now I don't have a verified bank account on my paypal so what I did is I tested my script to eliteweaver.co.uk IPN script tester and changed one of the lines in my code from: <CFHTTP URL="https://www.paypal.com/cgi-bin/webscr?#str#" METHOD="GET" RESOLVEURL="false"> to: <CFHTTP URL= ="http://www.eliteweaver.co.uk/testing/ipntest.php?#str#" METHOD="GET" RESOLVEURL="false"> </CFHTTP> And the result was IPN Creation Date: 19:19:11 Apr 02, 2003 PDT IPN Expiration Date: 04:19:11 Apr 04, 2003 PDT Send Count: 2 Target IPN Script: http://xxx.xxx.xxx.xxx/Singleton/ipn.cfm IPN Sent: 19:34:58 Apr 02, 2003 PDT HTTP Status: HTTP/1.1 200 OK IPN Received: 19:35:00 Apr 02, 2003 PDT Post Back: 2 seconds Variables Sent: 53 Variables Expected: 54 Variables Received: 0 String Length Sent: 1225 String Length Expected: 1246 String Length Received: -1 Desired Response: VERIFIED Actual Response: INVALID Intentional Response: No! Summary: Your script is posting back incorrect data! Does my modification correct? Please help me. Thanks, Edwin