C#中发送邮件的完成要领详解【C#.Net教程】,csharp,.net,详解

这篇文章主要为人人细致引见了C#完成发送邮件的要领，具有肯定的参考价值，感兴趣的小伙伴们能够参考一下

本文实例为人人分享了Android九宫格图片展现的详细代码，供人人参考，详细内容以下

#region 发送邮件部份
    private static String fromMail = "1111@126.com";  ///邮箱称号
    private static String mailPwd = "111111";     ///暗码
    private static string toMail = "2222@163.com";  ///邮箱服务器
    private static string fileStr;//当前图片途径，在增加附件时用
    /// <summary>
    /// 发送邮件
    /// </summary>
    /// <param name="fileUrl">附件地点，以~分</param>
    /// <param name="screen">是不是发送截屏</param>
    /// <returns></returns>
    public static string SendMail(string fileUrl, string screen)
    {
     
      MailAddress from = new MailAddress(fromMail);
      MailAddress to = new MailAddress(toMail);

      MailMessage message = new MailMessage(from, to);
      message.Subject = "M邮件 " +11111;//主题
      message.SubjectEncoding = System.Text.Encoding.UTF8;

      Attachment attachFile = new Attachment(fileStr);
      if (screen == "True")
        message.Attachments.Add(attachFile);

      string[] files = fileUrl.Split('~');
      for (int i = 0; i < files.Length; i++)
      {
        if (File.Exists(files[i]))
        {
          Attachment attachFile1 = new Attachment(fileUrl);
          message.Attachments.Add(attachFile1);
        }
      }

      try
      {
        SmtpClient client = new SmtpClient("smtp." + from.Host);

        SendMail(client, from, mailPwd, to, message);

       
        return "发送邮件胜利！包括附件：" + fileUrl + " 含截图？" + screen + "  " + DateTime.Now.ToString();
      }
      catch (SmtpException ex)
      {
        //假如毛病原因是没有找到服务器，则尝试不加smtp.前缀的服务器
        if (ex.StatusCode == SmtpStatusCode.GeneralFailure)
        {
          try
          {
            //有些邮件服务器不加smtp.前缀
            SmtpClient client = new SmtpClient(from.Host);
            SendMail(client, from, mailPwd, to, message);
          
            return "发送邮件胜利！包括附件：" + fileUrl + " 含截图？" + screen + "  " + DateTime.Now.ToString();

          }
          catch (SmtpException err)
          {
           
            return "发送邮件失利！" + err.Message + "  " + DateTime.Now.ToString();
          }
        }
        else
        {
         
          return "发送邮件失利！" + ex.Message + "  " + DateTime.Now.ToString();
        }
      }
    }

    //依据指定的参数发送邮件
    private static void SendMail(SmtpClient client, MailAddress from, string password,
       MailAddress to, MailMessage message)
    {
      //不运用默许凭据,注重此句必需放在client.Credentials的上面
      client.UseDefaultCredentials = false;
      //指定用户名、暗码
      client.Credentials = new NetworkCredential(from.Address, password);
      //邮件经由过程收集发送到服务器
      client.DeliveryMethod = SmtpDeliveryMethod.Network;
      try
      {
        client.Send(message);
      }
      catch
      {
        throw;
      }
      finally
      {
        //实时开释占用的资本
        message.Dispose();
      }
    }
    #endregion

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