c# 發送郵件

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using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Diagnostics;namespace ConsoleApplication5{    class Program    {        static void Main(string[] args)        {            var smtp = new System.Net.Mail.SmtpClient("ipordomain", 25);            smtp.UseDefaultCredentials = true;            smtp.Credentials = new System.Net.NetworkCredential("user", "pass");            using (var mail = new System.Net.Mail.MailMessage())            {                mail.Subject = "郵件" + DateTime.Now.ToString("yyyyMMddHHmmss");                mail.SubjectEncoding = System.Text.Encoding.GetEncoding("GB2312");                mail.BodyEncoding = System.Text.Encoding.GetEncoding("GB2312");                mail.From = new System.Net.Mail.MailAddress("[email protected]","mouren");                mail.Priority = System.Net.Mail.MailPriority.Normal;                mail.IsBodyHtml = false;                mail.Body = "某某人給自己發了一封郵件。這是一封偽造寄件者的測試郵件！";                mail.To.Add("[email protected]");                //只有部分伺服器允許任意寄件者，163郵箱不允許                try                {                    smtp.Send(mail);                    Console.WriteLine("發送成功！");                }                catch (Exception ex)                {                    Debug.Print(ex.ToString());                    Console.WriteLine("發送失敗！");                }                Console.ReadLine();            }        }    }}

 

c# 發送郵件