Вот, рабочий VBS скрипт, без аутентификации на smtp сервере(так проще)
Код:
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Set objEmail = CreateObject("CDO.Message")
objEmail.From = "Script@domain.local"
objEmail.To = "bardeen@domain.com"
objEmail.Subject = "Тема письма "
objEmail.Textbody = "содержимое письма "
objEmail.Configuration.Fields.Item ("http://schemas.microsoft.com/cdo/configuration/sendusing") = 2
objEmail.Configuration.Fields.Item ("http://schemas.microsoft.com/cdo/configuration/smtpserver") = "mail.domain.local"
objEmail.Configuration.Fields.Item ("http://schemas.microsoft.com/cdo/configuration/smtpserverport") = 25
objEmail.Configuration.Fields.Update
objEmail.Send