protected void mail(){ string Server = "smtp.googlemail.com"; int port = 587; SmtpClient cl = new SmtpClient(Server, port); cl.EnableSsl = true; MailMessage msg = new MailMessage(); cl.Credentials = new System.Net.NetworkCredential("***@googlemail.com", "***"); { msg.From = new MailAddress("***@googlemail.com"); msg.To.Add(new MailAddress("***@googlemail.com")); msg.Subject = "test"; msg.IsBodyHtml = true; msg.Body = "test2"; } cl.Send(msg); }