Thank you for assist me I already try your code. But it seem cannot send the mail. I think i got problems with smtp server. So my next question is how can i used local machine to test my sending email program. And one more thing where should i put these code (for comfirmation) my friend said it have to be in C# and in the other file as "code behind" or form processor is it really true. And can this code works in asp.net v1.1
computer = oracle