Problem in sending email through my application

my code

protected void btnSubmit_Click(object sender, EventArgs e)

   MailMessage message = new MailMessage(txtFrom.Text, txtTo.Text, txtSubject.Text, txtBody.Text);
   SmtpClient emailClient = new SmtpClient(txtSMTPServer.Text);
   litStatus.Text = "Message Sent";

  catch (Exception ex)

and an exception occurred

System.Net.Mail.SmtpException: 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. m28sm28731279poh.25 at System.Net.Mail.MailCommand.CheckResponse(SmtpStatusCode statusCode, String response) at System.Net.Mail.MailCommand.Send(SmtpConnection conn, Byte[] command, String from) at System.Net.Mail.SmtpTransport.SendMail(MailAddress sender, MailAddressCollection recipients, String deliveryNotify, SmtpFailedRecipientException& exception) at System.Net.Mail.SmtpClient.Send(MailMessage message) at _Default.btnSubmit_Click(Object sender, EventArgs e)
1/27/2009 6:05:09 PM 27051 articles. 1 followers. Follow

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an exception occurred System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated.

As the error message indicated you would need to provide the credentials to access this smtp server

Kumar Reddi
1/27/2009 6:25:47 PM
How can i Attach more than one file
1/27/2009 8:43:46 PM


Please open a new thread if its a different question. that way you get better attention on the problem . Just for this time.. here is an example with multiple attachments

Kumar Reddi
1/27/2009 8:52:36 PM

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