C#发送邮件

using System;
using System.Web;
using System.Web.Mail;
public class TestSendMail
{
public static void Main()
{
try
{
// Construct a new mail message
MailMessage message = new MailMessage();
message.From = from@domain.com;
message.To   = pengyun@cobainsoft.com;
message.Cc   = ;
message.Bcc = ;
message.Subject = Subject;
message.Body = Content of message;

//if you want attach file with this mail, add the line below
message.Attachments.Add(new MailAttachment(c:/attach.txt, MailEncoding.Base64));
// Send the message
SmtpMail.Send(message);
System.Console.WriteLine(Message has been sent);
}
catch(Exception ex)
{
System.Console.WriteLine(ex.Message.ToString());
}
}
}