无法从传输连接中读取数据：net_io_connectionclosed。 [英] Unable to read data from the transport connection: net_io_connectionclosed.

问题描述

我正在尝试使用asp.net c＃代码发送电子邮件。我的网站托管在godaddy服务器上。它给出了这个错误：无法从传输连接中读取数据：net_io_connectionclosed。

I am trying to send email by using asp.net c# code. My webiste is hosted in godaddy server. It gives this error : Unable to read data from the transport connection: net_io_connectionclosed.

using System.Net.Mail;
using MailMessage = System.Net.Mail.MailMessage;

protected void but_forgot_Click(object sender, EventArgs e)
{
MailMessage mail = new MailMessage();
mail.To.Add(txt_email.Text);
mail.From = new MailAddress("[e-mail]");
mail.Subject = "Recovery Mail";
mail.Body = "Hello " + name + ", your recovery password is given below:" + "\n\nEmail: " + email + "\n\nPassword: " + password;
SmtpClient smtp = new SmtpClient();
smtp.Host = "smtpout.asia.secureserver.net";
smtp.Credentials = new System.Net.NetworkCredential("[e-mail]", "password");
smtp.EnableSsl = false;
smtp.Port = 25;
smtp.Send(mail);
}

推荐答案

参考 -

无法通过GoDaddy电子邮件SMTP获取电子邮件 [ ^ ] 。实现这个。

Refer -
Cannot get email to work with GoDaddy email SMTP[^]. Implement this.

Quote：

症状


使用GoDaddy SMTP服务器smptout.secureserver.net发生电子邮件错误，例如：发生邮件错误 - 异常=发送邮件失败。无法从传输连接中读取数据：net_io_connectionclosed。

原因


GoDaddy阻止来自大多数第三方托管服务提供商的电子邮件中继。

解决方案


为GoDaddy电子邮件服务器使用以下SMTP设置：



邮件服务器DNS = relay-hosting.secureserver.net

邮件服务器TCP端口= 25

Symptoms

Using GoDaddy SMTP server smptout.secureserver.net email errors occur such as: Mail Error occurred - Exception=Failure sending mail. Unable to read data from the transport connection: net_io_connectionclosed.
Cause

GoDaddy is blocking email relay from most 3rd party hosting providers.
Solution

Use the following SMTP settings for the GoDaddy email server:

Mail Server DNS = relay-hosting.secureserver.net
Mail Server TCP Port = 25

如果赢了'工作，我想你必须与GoDaddy支持团队核实。

If this won't work, I guess you have to check with the GoDaddy Support team.

试试这个..

Try This..

SmtpClient LocalClient = new SmtpClient();
            MailMessage Mail = new MailMessage();
            Mail.To.Add("ToEmail");
            Mail.From = new MailAddress("fromEmail");
            Mail.Body = "Test Message";
            Mail.Subject = "Mail Local";
          //  LocalClient.Port = 25;
           // LocalClient.Host = "127.0.0.1";
            LocalClient.DeliveryMethod = SmtpDeliveryMethod.PickupDirectoryFromIis;
            LocalClient.Credentials = new NetworkCredential("fromEmail", "Password");
            LocalClient.Send(Mail);

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