C#메일 보내기qq 및 163

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

namespace ConsoleApplication5
{
    class Program
    {
        static void Main(string[] args)
        {
            /*   qq --> 163    
            SmtpClient client = new SmtpClient("smtp.qq.com", 587);
            client.EnableSsl = true;
            client.Credentials = new NetworkCredential(" qq @qq.com", " ssh for qq");

            MailMessage mail = new MailMessage();
            mail.From = new MailAddress(" qq @qq.com");
            mail.To.Add(new MailAddress(" @163.com"));    

            mail.IsBodyHtml = true;
            mail.Priority = MailPriority.High;
            mail.Subject = " ";
            mail.Body = " ";
            client.Send(mail);
            */



            /*  163 --> qq    
            SmtpClient client = new SmtpClient("smtp.163.com", 25);
            client.EnableSsl = true;
            client.Credentials = new NetworkCredential(" @163.com", " ssh for 163");

            MailMessage mail = new MailMessage();
            mail.From = new MailAddress(" 163 @163.com");
            mail.To.Add(new MailAddress(" @qq.com"));

            mail.IsBodyHtml = true;
            mail.Priority =MailPriority.Normal;
            mail.Subject = " ";
            mail.Body = " ";
            client.Send(mail);
            */
        }
    }
}