无法发送联系人......？ [英] Unable to Send Contact...?
问题描述
抛出了'System.Web.HttpUnhandledException'类型的异常。
错误：无法发送联系人 - SMTP服务器需要安全连接或客户端是未经过身份验证。服务器响应为：5.7.0必须首先发出STARTTLS命令。 iq10sm53816480pbc.14 - gsmtp
protected void ImageButton_Submit_Click（object sender，ImageClickEventArgs e）
{
尝试
{
MailMessage mMailMessage = new MailMessage（）;
mMailMessage.From = new MailAddress（HttpUtility.HtmlEncode（TextBoxEmail.Text））;
mMailMessage.To.Add（new MailAddress（MyAccount@gmail.com））;
// mMailMessage.Bcc.Add（new MailAddress（bcc））;
// mMailMessage.CC.Add（new MailAddress（ cc））;
mMailMessage.Subject =From：+ HttpUtility.HtmlEncode（TextBoxYourName.Text）+ - + HttpUtility.HtmlEncode（TextBoxSubject.Text） ;
mMailMessage.Body = HttpUtility.HtmlEncode（EditorEmailMessageBody.Content）;
mMailMessage.IsBodyHtml = true;
mMailMessage.Priority = MailPriority.Normal;
SmtpClient mSmtpClient = new SmtpClient（）;
mSmtpClient.Send（mMailMessage）;
LabelMessage.Text =谢谢 - 您的消息已发送。;
}
catch（异常exp）
{
抛出新异常（错误：无法发送联系人 - + exp.Message.ToString （），exp）;
}
}
Exception of type 'System.Web.HttpUnhandledException' was thrown.
ERROR: Unable to Send Contact - The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Must issue a STARTTLS command first. iq10sm53816480pbc.14 - gsmtp
protected void ImageButton_Submit_Click(object sender, ImageClickEventArgs e)
{
try
{
MailMessage mMailMessage = new MailMessage();
mMailMessage.From = new MailAddress(HttpUtility.HtmlEncode(TextBoxEmail.Text));
mMailMessage.To.Add(new MailAddress("MyAccount@gmail.com"));
// mMailMessage.Bcc.Add(new MailAddress(bcc));
// mMailMessage.CC.Add(new MailAddress(cc));
mMailMessage.Subject = "From:" + HttpUtility.HtmlEncode(TextBoxYourName.Text) + "-" + HttpUtility.HtmlEncode(TextBoxSubject.Text);
mMailMessage.Body = HttpUtility.HtmlEncode(EditorEmailMessageBody.Content);
mMailMessage.IsBodyHtml = true;
mMailMessage.Priority = MailPriority.Normal;
SmtpClient mSmtpClient = new SmtpClient();
mSmtpClient.Send(mMailMessage);
LabelMessage.Text = "Thank You - Your Message was sent.";
}
catch (Exception exp)
{
throw new Exception("ERROR: Unable to Send Contact - " + exp.Message.ToString(), exp);
}
}
my web config code...
mailSettings
<smtp from="MyAccount@gmail.com">
<network host="smtp.gmail.com" password="MyAccountpassword" port="587">
userName="MyAccount@gmail.com"
</network></smtp>
推荐答案
这是自我解释 - 您没有在SMTP服务器上使用任何可以启用发送的凭据...
这里有一个很好的解决问题：
使用C＃中的SMTP发送电子邮件 [ ^ ]
It's self explanatory - you does not used any credentials on the SMTP server that can enable sending...
There is a nice - solved - question here:
Send Email using SMTP in C#[^]
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