Con CDOSYS faccio Così
codice:
Set Config = Server.CreateObject("CDO.Configuration")
Set Fields = Config.Fields
Fields.Item("http://schemas.microsoft.com/cdo/configuration/sendusing") = 2 ' cdoSendUsingPort
Fields.Item("http://schemas.microsoft.com/cdo/configuration/smtpserver") = "serversmtp"
Fields.Item("http://schemas.microsoft.com/cdo/configuration/smtpauthenticate") = 1
Fields.Item("http://schemas.microsoft.com/cdo/configuration/sendusername") = "user"
Fields.Item("http://schemas.microsoft.com/cdo/configuration/sendpassword") = "password"
Fields.Update
Set objMail = Server.CreateObject("CDO.Message")
Set objMail.Configuration = Config
objMail.To = "email che vuoi"
objMail.From = "nome cognome <EmailChevuoi>"
objMail.Subject = "Oggetto"
objMail.MDNRequested = true ' conferma lettura
objMail.HTMLBody = Testo ' corpo in html
objMail.Send
set objMail = Nothing
Set Fields = Nothing
Set Config = Nothing
Set objMail = Nothing