| Value | Meaning |
|---|---|
| CompressedData0 | The S/MIME content contains compressed data. |
| EnvelopedData1 | The S/MIME content contains enveloped data. |
| SignedData2 | The S/MIME content contains signed data. |
| CertsOnly3 | The S/MIME content contains only certificates. |
| Unknown4 | The S/MIME content is unknown. |
The S/MIME data type.