Create a domain service for sending emails

using System;

using System.Net;
using System.Net.Mail; 

namespace TestClient {
  class Program
  {
    public static void Main (string[] args)
    {
      MailAddress to = new MailAddress("ToAddress");
      MailAddress from = new MailAddress("FromAddress");

      MailMessage email = new MailMessage(from, to);
      email.Subject = "Testing out email sending";
      email.Body = "Hello all the way from the land of C#";

      SmtpClient smtp = new SmtpClient();
      smtp.Host = "smtp.server.address";
      smtp.Port = 25;
      smtp.Credentials = new NetworkCredential("smtp_username", "smtp_password");
      smtp.DeliveryMethod = SmtpDeliveryMethod.Network;
      smtp.EnableSsl = true;

      try
      {
        /* Send method called below is what will send off our email 
         * unless an exception is thrown.
         */ 
        smtp.Send(email);
      }
      catch (SmtpException ex)
      {
        Console.WriteLine(ex.ToString());
      }
    }
  }
}