Mailserver ?? ช่วยเหลือด้วยคร้าบบ พอดีต้องการส่งสอง Server

using System;
using System.Web.Mail;
class MailAttachTest
{
public static void Main()
{
MailAttachment myattach = new MailAttachment("d:\\mail sapere.txt",MailEncoding.Base64);
MailMessage newmessage = new MailMessage();
newmessage.From = "[email protected]";
newmessage.To = "[email protected]";
newmessage.Cc = "[email protected]";
newmessage.Subject = "A test mail attachment message";
newmessage.Priority = MailPriority.High;
newmessage.Headers.Add("Comments","This message attempts to send a binary attachment");
newmessage.Attachments.Add(myattach);
newmessage.Body = "test send e-mail";
try
{
SmtpMail.SmtpServer = "xxx.xxx.xxx.xxx";
SmtpMail.Send(newmessage);
}
catch (System.Web.HttpException)
{
Console.WriteLine("This device cannot send Internet messages");
}
}