System.Net.Mail.SmtpClient client = new SmtpClient(SmtpServer);

client.UseDefaultCredentials = false;

client.Credentials = new System.Net.NetworkCredential(UID, PWD);

client.DeliveryMethod = SmtpDeliveryMethod.Network;

System.Net.Mail.MailMessage message = new MailMessage(From,TO, Subject,Body);

message.BodyEncoding = System.Text.Encoding.UTF8;

message.IsBodyHtml = true;

client.Send(message);