Problem in sending mail

Hi i have written a prog to send a mail the programe as follows
Dim msg As MailMessage = New MailMessage()
        'Dim MailObj As New SmtpClient("mail.fodra.org.in")

        'msg.From = New MailAddress("admin@fodra.org.in")

        'msg.To.Add(New MailAddress("sitaramnayak@yahoo.co.in"))

        'msg.Subject = "sitaram Test"
        'msg.Priority = MailPriority.High
        'msg.IsBodyHtml = True
        'msg.Body = "Mail Test"



        'MailObj.Send(msg)
Above i have given my hosting address or mail
when click send button it ...