using System.Net.Mail;

    public class MailHelp

    {

        public static void Send(string subject, string body)

        {

            MailMessage message = new MailMessage();

            SmtpClient client = new SmtpClient();

            client.Port = ;

            client.Host = "smtphost.mycompany.com";

            client.Timeout = ;

            client.DeliveryMethod = SmtpDeliveryMethod.Network;

            client.UseDefaultCredentials = false;

            client.Credentials = new System.Net.NetworkCredential("user", "pwd","domain");

            message.From = new MailAddress("from@server.com");

            message.To.Add(new MailAddress("to@server.com"));

            message.CC.Add(new MailAddress("cc@server.com"));

            message.Subject = subject;

            message.Body = body;

            client.Send(message);

        }

    }