无法发送邮件 [英] unable to send mail

问题描述

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Net.Mail;
public partial class _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {

   }

    protected void btnSend_Click(object sender, EventArgs e)
   {
        MailMessage mail = new MailMessage();
        mail.To.Add(txtTo.Text);
        mail.From = new MailAddress(txtFrom.Text);
        mail.Subject = txtSubject.Text;
        mail.Body = txtMessage.Text;
        mail.IsBodyHtml = true;
        if (FileUpload1.HasFile)
        {
            mail.Attachments.Add(new Attachment(FileUpload1.PostedFile.InputStream, FileUpload1.FileName));
        }
        SmtpClient smtp = new SmtpClient();
        smtp.Host = "smtp.gmail.com"; 
        smtp.Credentials = new System.Net.NetworkCredential("[e-mail]", "YourGmailPassword");
        smtp.EnableSsl = true;
        smtp.Send(mail);
    }
}

上面是我使用的代码，但是我无法接收邮件..可能是什么问题，请帮忙..web.config文件中的

above is the code i used but i am unable to receive the mail .... what can be the possible problem please help ..

推荐答案

添加这些行，我认为它将解决您的问题

in web.config file add these lines i think it will solve your problem

<configuration>
  <system.net>
    <mailSettings>
      <smtp deliveryMethod="PickupDirectoryFromIis"/>
    </mailSettings>
  </system.net>
  <system.web>
    <authentication mode="Forms" />
  </system.web>

我认为您需要通过GMail发送电子邮件，请在SmtpClient对象上设置Port的属性(在您的情况下为smtp)到465或587.

I believe that you need to send email via GMail, please set the property of Port on the SmtpClient object (in your case it is smtp)to 465 or 587.

请
再添加一行您的代码

Please
add one more Line your code

smtp.UseDefaultCredentials = false;

我希望它能起作用.

i hope it work.

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