Query an S/MIME entity for selected information.
Public Function smimeQuery ( _ szFileIn As String, _ szQuery As String, _ Optional nOptions As Long = 0 _ ) As String
"content-type" "smime-type" "encoding" "name" "filename"
Debug.Print smimeQuery("cmsalice2bob-smime-env.txt", "smime-type") enveloped-data