The "SendUsing" configuration value is invalid. RSS

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  shabbir_215

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  The "SendUsing" configuration value is invalid.

  Feb 14, 2012 01:43 PM|LINK

  Hi Everyone,

  I am using .NET 4.0 and IIS 7.5 to send an email using below code

  Private Sub SendMail()
              Dim strQuery As New StringBuilder
              Dim mail As New MailMessage()
              strQuery.AppendLine("Dear sir,")
              strQuery.AppendLine("Below given events are failed to process in the portal. ")
  
  
              mail.From = "webmaster@xxx.com"
              mail.To = "shabbir@xxx.com"
              mail.Subject = "Test"
              mail.Body = Convert.ToString(strQuery.ToString())
              mail.BodyFormat = MailFormat.Text
            
  
              'Specify to use the default Smtp Server
              SmtpMail.SmtpServer = ""
              'Now, to send the message, use the Send method of the SmtpMail class
              SmtpMail.Send(mail)
          End Sub

  Previously On iis6.0 it was working fine but on IIS 7.5 it display below error, Could anyone help me

  The "SendUsing" configuration value is invalid.
  

  Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
  
  Exception Details: System.ServiceModel.FaultException`1[[System.ServiceModel.ExceptionDetail, System.ServiceModel, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]]: The "SendUsing" configuration value is invalid.
  
  
  Source Error:

  
  

  
  

  Thanks in Advance

  Shabbir
  
  

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  bbcompent1

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  Re: The "SendUsing" configuration value is invalid.

  Feb 14, 2012 02:10 PM|LINK

  shabbir_215

  'Specify to use the default Smtp Server SmtpMail.SmtpServer = ""

  Could the fact you didn't specify your email server be the issue??? Unless you left this intentionally blank.

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  shabbir_215

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  Re: The "SendUsing" configuration value is invalid.

  Feb 14, 2012 02:30 PM|LINK

  I have left it blank only because it was working fine previoulsy, I don't have to define SMTP server.

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  bbcompent1

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  Re: The "SendUsing" configuration value is invalid.

  Feb 14, 2012 02:41 PM|LINK

  Actually in your code you do need to somewhere, even if you define it in your web config, the smtpserver has to be specified unless you are using some email helper class that you've coded.

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  shabbir_215

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  Re: The "SendUsing" configuration value is invalid.

  Feb 14, 2012 02:45 PM|LINK

  But as i said it was not required to Specify when using IIS6.0 so please let me know where should i specify smtp server

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  bbcompent1

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  Re: The "SendUsing" configuration value is invalid.

  Feb 14, 2012 02:47 PM|LINK

  IIS 6 is usually much more forgiving about this since you probably had the smtp server on the local server. Can you post your web config file???

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  shabbir_215

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  Re: The "SendUsing" configuration value is invalid.

  Feb 14, 2012 02:52 PM|LINK

  <system.net>
          <mailSettings>
              <smtp from="webmaster@xxx.com">
                  <network host="localhost" />
              </smtp>
          </mailSettings>
      </system.net>

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  bbcompent1

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  Re: The "SendUsing" configuration value is invalid.

  Feb 14, 2012 02:55 PM|LINK

  Ok, comment out the SmtpMail.SmtpServer. You are overriding what is in your web config.

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  • Marked as answer by Dino He - MSFT on Feb 21, 2012 02:50 AM