How to sent mail.

Hi,

How to sent mail in secureserver.net server.
This is my code,but don't working this code.so please provide me.
MailMessage mailObj = new MailMessage("username@xxx.net", "username@xxx.net");             SmtpClient smtpserver = new SmtpClient("smtpout.secureserver.net", 465);//587   25 465             smtpserver.EnableSsl = true;             smtpserver.DeliveryMethod = SmtpDeliveryMethod.Network;             smtpserver.UseDefaultCredentials = false;                       smtpserver.Credentials = new System.Net.NetworkCredentia ...