The specified protocol is unknown

[Fahad]

I am trying to send an e-mail using CDO I get this
message when trying to send an e-mail.

I am using the object
Set ObjMsg = Server.CreateObject("CDO.Message")

CDO.Message.1 (0x800C000D)
The specified protocol is unknown.

web server information
Windows XP Pro

 

[Aaron Bertrand - MVP]

Can you show the rest of the code? This can be caused by forgetting quotes
around a to/from, or setting an MHTMLbody property to a filename without a
URL, or addAttachment with incorrect syntax...