User is making direct payment. After that I wont send email to user that he payed money. And I wont from PayPal to send him this kind of mail.

I send this params

$nvpstr = "&PAYMENTACTION=$payment_type&AMT=$amount&CREDITCARDTYPE=$type&ACCT=$number&EXPDATE=".$expiration_date_month.$expiration_date_year.
"&CVV2=$verification_number&FIRSTNAME=$first_name&LASTNAME=$last_name&STREET=$address1&CITY=$city&STATE=$state".
"&ZIP=$zip_code&COUNTRYCODE=$country_code&CURRENCYCODE=$currency_code&DESC=$username #{$user['id']} buy $total_count $h.";



What I have to do ?