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SmtpMail.Send - Exception "Could not access 'CDO.Message' object"

Hi
I am writing a ASP.NET web application that must sent some e-mails.

I get the exception “Could not access 'CDO.Message' object” when I call SmtpMail.Send. This only happens when I send e-mail addresses out side my company walls. When the e-mail is send on some one in my company it works perfect.

I think it is a relay issue. Our system administrator will not allow relaying.

In the ASP.Net web.config file I let the web application impersonate a specific user that has a mail account on our mail server:

<identity impersonate="tr ue" userName="MyDon \MyUserName" password="zzzz" />

The web server and the mail server are two different physical computers.

I have two questions:
1) How can I fix the problem?
2) Is it a relay issue? If yes, what can I do to fix it? Is it OK to allow relaying on a mail server?

Below you can se my code and the exceptions

Regards
Jens Øster, Vestas

Here you can see my code

Try

Mail.From = tbFrom.Text
Mail.To = tbTo.Text
Mail.Subject = tbSubject.Text
Mail.Body = tbMessage.Text

Dim SmtpMail As Mail.SmtpMail
SmtpMail.SmtpSe rver = "MyMailServerNa me"
SmtpMail.Send(M ail)

Catch ex As Exception

While (Not ex.InnerExcepti on Is Nothing)
Response.Write( _
"<b>Message :</b> " & ex.Message & "<br>" & _
"<b>Source: </b> " & ex.Source & "<br>" & _
"<b>StackTrace: </b> " & ex.StackTrace & "<br>" & _
"<b>HelpLin k:</b> " & ex.HelpLink & "<br>" & _
"<b>UserNam e:</b> " & User.Identity.N ame & "<br><br>")
ex = ex.InnerExcepti on
End While
End Try

Message: Could not access 'CDO.Message' object.
Source: System.Web
StackTrace: at System.Web.Mail .LateBoundAcces sHelper.CallMet hod(Object obj, String methodName, Object[] args) at System.Web.Mail .CdoSysHelper.S end(MailMessage message) at System.Web.Mail .SmtpMail.Send( MailMessage message) at NCR2.SendMail.b tSend_Click(Obj ect sender, EventArgs e) in C:\Inetpub\wwwr oot\NCR2\SendMa il.aspx.vb:line 79

Message: Exception has been thrown by the target of an invocation.
Source: mscorlib
StackTrace: at System.RuntimeT ype.InvokeDispM ethod(String name, BindingFlags invokeAttr, Object target, Object[] args, Boolean[] byrefModifiers, Int32 culture, String[] namedParameters ) at System.RuntimeT ype.InvokeMembe r(String name, BindingFlags invokeAttr, Binder binder, Object target, Object[] args, ParameterModifi er[] modifiers, CultureInfo culture, String[] namedParameters ) at System.Web.Mail .LateBoundAcces sHelper.CallMet hod(Object obj, String methodName, Object[] args)

Nov 18 '05 #1
1 2696

"Jens ster" <Jens st**@discussion s.microsoft.com> wrote in message news:AB******** *************** ***********@mic rosoft.com...
Hi
I am writing a ASP.NET web application that must sent some e-mails.

I get the exception "Could not access 'CDO.Message' object" when I call SmtpMail.Send.


A tip: when you examine that message in the debugger, you might see a better
reason for the error. The "Could not access" is shown regardless of the real reason.

Hans Kesting
Nov 18 '05 #2

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