尝试从ASP.net应用程序发送电子邮件时出错？ [英] Getting error while trying to send email from ASP.net application?

问题描述

在我的应用程序中，我想发送邮件，我使用下面的代码，但是我收到错误：

In my application I would like to send a mail and I am using the below code, but I get the error:

Could not send the e-mail - error: Failure sending mail.

protected void btnsend_Click(object sender, EventArgs e)
   {
       try
       {
           MailMessage mailMessage = new MailMessage();
           mailMessage.To.Add("[e-mail]");
           mailMessage.From = new MailAddress("[e-mail]");
           mailMessage.Subject = "ASP.NET e-mail test";
           mailMessage.Body = "Hello world,\n\nThis is an ASP.NET test e-mail!";
           SmtpClient smtpClient = new SmtpClient("smtp.your-isp.com");
           smtpClient.Send(mailMessage);
           Response.Write("E-mail sent!");
       }
       catch (Exception ex)
       {
           Response.Write("Could not send the e-mail - error: " + ex.Message);
       }
   }

这里我们没有给出发件人（来自）密码，然后系统将如何从该发件人发送邮件？

Here we are not giving the sender(from)password then how the system will send mail from that sender?

推荐答案

你得到的错误是什么？看一下这个样本：

使用ASP.NET和C＃发送邮件/联系表单 [ ^ ]

What''s the error you are getting? Have a look at this sample:
Send Mail / Contact Form using ASP.NET and C#[^]

var smtp = new System.Net.Mail.SmtpClient();
    {
        smtp.Host = "smtp.gmail.com";
        smtp.Port = 587;
        smtp.EnableSsl = true;
        smtp.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network;
        smtp.Credentials = new NetworkCredential(fromAddress, fromPassword);
        smtp.Timeout = 20000;
    }
    // Passing values to smtp object
    smtp.Send(fromAddress, toAddress, subject, body);

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