The "SendUsing" configuration value is invalid.

Hello everyone,

Gud Evening,

I m getting the error

The "SendUsing" configuration value is invalid.

when I m hosting  my website on IIS on client side computer ,while sending mail using CDO object.

 

My code is as follows

Dim sch As String = "http://schemas.microsoft.com/cdo/configuration/"

        Dim cdoConfig As Object = CreateObject("CDO.Configuration")

        With cdoConfig.Fields
            .Item(sch & "sendusing") = 2 ' cdoSendUsingPort
         & ...