Set objEmail = CreateObject("CDO.Message")
objEmail.From = "admin1@fabrikam.com"
objEmail.To = "admin2@fabrikam.com"
objEmail.Subject = "Server down"
objEmail.Textbody = "Server1 is no longer accessible over the network."
objEmail.Configuration.Fields.Item _
 ("http://schemas.microsoft.com/cdo/configuration/sendusing") = 2
objEmail.Configuration.Fields.Item _
 ("http://schemas.microsoft.com/cdo/configuration/smtpserver") = _
"MySMTPHost"
objEmail.Configuration.Fields.Item _
 ("http://schemas.microsoft.com/cdo/configuration/smtpserverport") = 25
objEmail.Configuration.Fields.Update
objEmail.Send

Источник: 
http://www.microsoft.com/technet/scriptcenter/guide/sas_ent_wbpa.mspx?mfr=true

http://www.paulsadowski.com/WSH/cdo.htm