5.2.0 STOREDRV.Submission.Exception:SendAsDeniedException.MapiExceptionSendAsDenied;由于消息无法提交消息的永久异常,无法处理消息。
我有一个带有表单的联系页面的 ASP.NET Web 应用程序。在我更换主机之前一切都很好。例如,如果我将主机更改为smtp.live.com而不是smtp.gmail.com我收到上面的错误。我的问题是,如果我的主机来自我的 gmail 帐户,它可以正常工作,但如果我更改它,它就不起作用。我已经搜索过其他问题,但它们与我的不同,在 Google 上找不到任何合适的答案。
我的代码如下:
public partial class WebForm2 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btnSend_Click(object sender, EventArgs e)
{
MailMessage mm = new MailMessage("sender@hotmail.com", "mymail@hotmail.com");
mm.Subject = TextBox1.Text;
mm.Body = "Name: " + txtName.Text + "<br /><br />Email: " + txtEmail.Text + "<br />" + TextBox2.Text;
if (FileUpload1.HasFile)
{
string FileName = System.IO.Path.GetFileName(FileUpload1.PostedFile.FileName);
mm.Attachments.Add(new Attachment(FileUpload1.PostedFile.InputStream, FileName));
}
mm.IsBodyHtml = true;
SmtpClient smtp = new SmtpClient();
//smtp.Host = "smtp.gmail.com";
smtp.Host = "smtp.live.com";
smtp.EnableSsl = true;
System.Net.NetworkCredential NetworkCred = new System.Net.NetworkCredential();
NetworkCred.UserName = "mymail@hotmail.com";
NetworkCred.Password = "xxxxxxxx";
smtp.UseDefaultCredentials = false;
smtp.Credentials = NetworkCred;
smtp.Port = 587;
smtp.Send(mm);
lblMessage.Text = "Email Sent SucessFully.";
}
}