SMTP does not send, does not error-out, seems to do nothing!

I am running the following code.  I have a breakpoint set so I know the code is being run.  After the code runs, I get NO email in my inbox.  Nor does an exception get raised.  The code runs and nothing seems to happen, period.  

::: LOST :::::

Is there a way to find-out if the SMTP server is responding at all, or where the failure point is?  Normally if the SMTP server were down or something, I would expect an exception to get raised by the code, right?

protected void btnSubmit_Click(object sender, EventArgs e)
    {
        string body = "";
        body = "Name: " + tbName.Text + "<br>";
        body += "Phone: " + tbPhone.Text + "<br>";
        body += "Email: " + tbEmail.Text + "<br>";
        body += "Subject: " + ddlSubject.SelectedValue.ToString() + "<br>";
        body += "Body: <br>" + tbBody.Text + "<br>";


        //try
        //{

        //    IWEB.eMail.SendMail("TCSMail@total-computing.com","TCSMail@total-computing.com", "TotaLink Information Request", body, tbName.Text, true);
        //    if (cbSendCopy.Checked)
        //        IWEB.eMail.SendMail("TCSMail@total-computing.com", tbEmail.Text, "TotaLink Information Request", body, "TCS Support", true);
        //    panelEmail.Visible = false;
        //    lblInfo.Text = "Thanks! We will get back to you soon.";
        //    hlReturnHome.Visible = true;
        //}
        //catch
        //{
        //    lblInfo.Text = "There was a problem, please try again later";
        //}


        string host = System.Configuration.ConfigurationManager.AppSettings["SMTP_SERVER"] as string;
        string erremailaddy = System.Configuration.ConfigurationManager.AppSettings["ERROREMAIL"] as string;
        string smtpusername = System.Configuration.ConfigurationManager.AppSettings["SMTP_USERNAME"] as string;
        string smtppassword = System.Configuration.ConfigurationManager.AppSettings["SMTP_PASSWORD"] as string;
        string storename = System.Configuration.ConfigurationManager.AppSettings["StoreName"] as string;
        string dbtype = System.Configuration.ConfigurationManager.AppSettings["DBTYPE"] as string;
      
        System.Net.Mail.SmtpClient smpt = new System.Net.Mail.SmtpClient();
        smpt.UseDefaultCredentials = false;
        smpt.Credentials = new System.Net.NetworkCredential(smtpusername, smtppassword);
        System.Net.Mail.MailMessage msg = new System.Net.Mail.MailMessage();
        
        msg.Body = "<b><h1>" + body + "</h1></b><br><br>" + body;
        smpt.Host = host;
        msg.IsBodyHtml = true;
        msg.From = new System.Net.Mail.MailAddress("TCSMail@total-computing.com", "IWEB ERROR");
        msg.Subject = "IWEB ERROR AT " + storename;
        msg.To.Add(erremailaddy);

        smpt.Send(msg);


    }

Select allOpen in new window