i have faced the following problem when sending mail using 

CDO.Conmfiguration and CDO.Message object

Errors:
1.The event class for this subscription is in an invalid partition 
2.The transport failed to connect to the server


sch = "http://schemas.microsoft.com/cdo/configuration/" 
set cdoConfig = Server.CreateObject("CDO.Configuration") 
cdoConfig.Fields.Item(sch & "sendusing") = 2 
cdoConfig.Fields.Item(sch & "smtpserver") = "localhost" 
cdoConfig.fields.update 
				 
set cdoMessage = Server.CreateObject("CDO.Message") 
set cdoMessage.Configuration = cdoConfig 
cdoMessage.From =EId
cdoMessage.To = "gajanand@g..."
			
cdoMessage.Subject = "Subject" 
cdoMessage.HTMlBody = "Body"
cdoMessage.Send 
			
set cdoMessage = Nothing 
Set cdoConfig = Nothing