The FAQ link that you referred to says that "You need to connect using TLS (STARTTLS)", not SSL. Assuming everything else in your script is correct, then try changing the following line: $objEmail.Configuration.Fields.Item ("http://schemas.microsoft.com/cdo/configuration/smtpusessl") = True To $objEmail.Configuration.Fields.Item ("http://schemas.microsoft.com/cdo/configuration/sendtls") = True   This suggestion is just the easiest and quickest fix to see if it