c# - 由于 SMTP 异常，电子邮件未发送

Question

我有一个通用邮箱，可用于从我的网站发送电子邮件。它已停止工作并引发异常。以下是错误截图。

error http://img7.imageshack.us/img7/7227/42097647.png

代码是

  protected void Submit_Click(object sender, EventArgs e)
   {
    if (ValidateBox.Text == "6")
    {
        MailMessage message = new MailMessage();
        message.From = new MailAddress(EmailBox.Text.ToString());
        message.To.Add(new MailAddress("<a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="4f3f3d2e392a2a212b2e21262a2377790f28222e2623612c2022" rel="noreferrer noopener nofollow">[email protected]</a>"));
        message.Subject = "Message via CAM Website General Mailbox";
        string body = "Name: " + NameBox.Text.ToString() + Environment.NewLine + Environment.NewLine +
                      "Home Tel: " + HomeTelBox.Text.ToString() + Environment.NewLine + Environment.NewLine +
                      "Work Tel: " + WorkTelBox.Text.ToString() + Environment.NewLine + Environment.NewLine +
                      "Comment/Question: " + CommentBox.Text.ToString();

        message.Body = body;


        SmtpClient client = new SmtpClient();
        client.Send(message);

        Response.Redirect("~/Thank-You.aspx");
    }

    else
    {
        Label1.Visible = true;
    }



}

这可能是我的 webconfig 中提到的 SMTP 客户端的错误，如何检查其是否工作正常？谢谢。

Answer 1

您没有设置 Network Credentials 。换句话说，您没有验证电子邮件。

NetworkCredential myCredentials = new NetworkCredential(
"<a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="a6cbdfc3cbc7cfcae6c2c9cbc7cfc888c5c9cb" rel="noreferrer noopener nofollow">[email protected]</a>","myPassword","mail.myDomainName.com");


client.Credentials = myCredentials;