Did you ever get an answer to this problem?  We are experiencing the same 
thing.

Thanks for the help,
Rich


> I am using Set objCDO = Server.CreateObject("CDONTS.NewMail")
> but when it gets to objCDO.send I get the error message 
error '80090016'  
> Keyset does not exist.
> What is the problem and how can I fix it?
> Thanks in advance,
> RA