上传发送邮件后不要ork [英] afte uploading sending mail dont ork

问题描述

我有这个代码scritp从联系我们表单发送邮件到邮件。

但它在我的本地服务器上运行良好，上传后它从不发送它！

  public   string  SendMail（ string  toList， string   from ， string  ccList， string  subject， string  body）
 {
 
 System.Net.Mail.MailMessage message =  new  System.Net.Mail.MailMessage（）; 
 SmtpClient smtpClient =  new  SmtpClient（）; 
  string  msg =  string  .Empty; 
  try  
 {
 MailAddress fromAddress =  new  MailAddress（ from ，  Mail System）; 
 message.From = fromAddress; 
 message.To.Add（toList）; 
  if （ccList！=  null && ccList！=  string  .Empty）
 message.CC.Add（ccList）; 
 message.Subject = subject; 
 message.IsBodyHtml =  true ; 
 message.Body = body; 
 smtpClient.Host =   smtp.gmail.com;  //  我们使用gmail作为我们的smtp客户端 
 smtpClient.Port =  587 ; 
 smtpClient.EnableSsl =  true ; 
 smtpClient.UseDefaultCredentials =  true ; 
 smtpClient.Credentials =  new  System.Net.NetworkCredential（  Mail，  Pass）; 
 
 smtpClient.Send（message）; 
 msg =  成功< BR>; 
} 
  catch （Exception ex）
 {
 msg = ex.Message; 
} 
  return  msg; 
} 
 受保护  void  btnSend_Click（ object  sender，ImageClickEventArgs e）
 {
  string  msg =  < center>< h2>< font color = blue>（联系我们SYSTEM）< / h2>< / font>< / center>< br> ; 日期： + 
 DateTime.Now.ToString（）+  < br /> +  < br> 名称： + txtName.Text +  < br /> + 
  < br> 电子邮件 + txtEmail.Text +  < br /> + < /跨度> <跨度class =code-string>< br> 主题： + drpCat.SelectedItem.Text +  < br /> +  < h3><峰; br> 邮件：< / H3>  + 
  < h3> + txtMessage.Text + < span class =code-string> < / h3>; 
  / /  创建包含要通过邮件发送的内容的邮件消息对象。 
 System.Net.Mail.MailMessage MyMailMessage =  new  System.Net.Mail.MailMessage（  Sender Mail，  Recever Mail，
 drpCat.SelectedItem.Text，msg）; 
 
 SendMail（  Mail，   Mail， null ，drpCat.SelectedItem.Text，msg）; 
 
 
 txtEmail.Text =  ; 
 txtName.Text =  ; 
 txtMessage.Text =  ; 
 drpCat.ClearSelection（）; 
 lblSent.Visible =  true ; 
 Response.Redirect（  Thanx.aspx）; 
} 
 

解决方案

将UserDefaultCredentials设置为True，告诉SmtpClient忽略凭证中的任何设置属性。这会导致SMTP服务器获取运行代码的ASP.NET帐户的凭据，而不是您提供的凭据。

使用以下功能

< pre lang =c＃> public bool SendEmialWithSecure（ string ToEmailId， string FromEmailId， string FromName， string SenderEmailId，
string SenderName， string 主题， string MailBody， string SMTPHost， Int32 SMTPPort，
string CredentialEmailId， string CredentialPassword， string strAttachment ）
{
System.Net.Mail.MailMessage ResetPassMail = new System.Net.Mail.MailMessage（）;
SmtpClient SmtpServer = new SmtpClient（）;
ResetPassMail.To.Add（ new MailAddress（ToEmailId））;
ResetPassMail.From = new MailAddress（FromEmailId，FromName）;
ResetPassMail.Sender = new MailAddress（SenderEmailId，SenderName）;
ResetPassMail.Subject =主题;
ResetPassMail.IsBodyHtml = true ;
ResetPassMail.Body = MailBody;
ResetPassMail.Priority = System.Net.Mail.MailPriority.High;
附件attach = new 附件（strAttachment）;
ResetPassMail.Attachments.Add（attach）;
SmtpServer.Host = SMTPHost;
SmtpServer.Port = SMTPPort;
SmtpServer.Credentials = new NetworkCredential（CredentialEmailId，CredentialPassword）;
SmtpServer.DeliveryMethod = SmtpDeliveryMethod.Network;
尝试
{
SmtpServer.Send（ResetPassMail）;

return true ;
}
catch （例外情况）
{

抛出 ex;
}

}

hi , i have this code scritp that send message from the contact us form to the mail.
but it work good on my local server , after upload the side it never send it !

public string SendMail(string toList, string from, string ccList, string subject, string body)
{

    System.Net.Mail.MailMessage message = new System.Net.Mail.MailMessage();
    SmtpClient smtpClient = new SmtpClient();
    string msg = string.Empty;
    try
    {
        MailAddress fromAddress = new MailAddress(from, "Mail System");
        message.From = fromAddress;
        message.To.Add(toList);
        if (ccList != null && ccList != string.Empty)
            message.CC.Add(ccList);
        message.Subject = subject;
        message.IsBodyHtml = true;
        message.Body = body;
        smtpClient.Host = "smtp.gmail.com";   // We use gmail as our smtp client
        smtpClient.Port = 587;
        smtpClient.EnableSsl = true;
        smtpClient.UseDefaultCredentials = true;
        smtpClient.Credentials = new System.Net.NetworkCredential("Mail", "Pass");

        smtpClient.Send(message);
        msg = "Successful<BR>";
    }
    catch (Exception ex)
    {
        msg = ex.Message;
    }
    return msg;
}
protected void btnSend_Click(object sender, ImageClickEventArgs e)
{
    string msg = "<center><h2><font color=blue> (Contact Us SYSTEM)</h2></font></center><br>Date: " +
      DateTime.Now.ToString() + "<br />" + "<br>Name: " + txtName.Text + "<br />" +
      "<br>Email " + txtEmail.Text + "<br />" + "<br>Subject: " + drpCat.SelectedItem.Text + "<br />" + "<h3><br>Message:</h3> " +
     "<h3>" + txtMessage.Text + "</h3>";
    //Create Mail Message Object with content that you want to send with mail.
    System.Net.Mail.MailMessage MyMailMessage = new System.Net.Mail.MailMessage("Sender Mail", "Recever Mail",
  drpCat.SelectedItem.Text, msg);

    SendMail("Mail", "Mail", null, drpCat.SelectedItem.Text, msg);


    txtEmail.Text = "";
    txtName.Text = "";
    txtMessage.Text = "";
    drpCat.ClearSelection();
    lblSent.Visible = true;
    Response.Redirect("Thanx.aspx");
}

解决方案

You set UserDefaultCredentials to True, which tells the SmtpClient to ignore any settings in the Credentials property. This results in the SMTP server getting the credentials of the ASP.NET account your code is running under, NOT the credentials you provided.

use below function

public bool SendEmialWithSecure(string ToEmailId, string FromEmailId, string FromName, string SenderEmailId,
       string SenderName, string Subject, string MailBody, string SMTPHost, Int32 SMTPPort,
       string CredentialEmailId, string CredentialPassword, string strAttachment)
   {
       System.Net.Mail.MailMessage ResetPassMail = new System.Net.Mail.MailMessage();
       SmtpClient SmtpServer = new SmtpClient();
       ResetPassMail.To.Add(new MailAddress(ToEmailId));
       ResetPassMail.From = new MailAddress(FromEmailId, FromName);
       ResetPassMail.Sender = new MailAddress(SenderEmailId, SenderName);
       ResetPassMail.Subject = Subject;
       ResetPassMail.IsBodyHtml = true;
       ResetPassMail.Body = MailBody;
       ResetPassMail.Priority = System.Net.Mail.MailPriority.High;
       Attachment attach = new Attachment(strAttachment);
       ResetPassMail.Attachments.Add(attach);
       SmtpServer.Host = SMTPHost;
       SmtpServer.Port = SMTPPort;
       SmtpServer.Credentials = new NetworkCredential(CredentialEmailId, CredentialPassword);
       SmtpServer.DeliveryMethod = SmtpDeliveryMethod.Network;
       try
       {
           SmtpServer.Send(ResetPassMail);

           return true;
       }
       catch (Exception ex)
       {

           throw ex;
       }

   }

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