The PR_PROOF_OF_SUBMISSION property contains an ASN.1 proof of submission value.
| Header file: | MAPITAGS.H |
| May be exposed by: | Message objects |
| Identifier: | 0x0E26 |
| Property type: | PT_BINARY |
| Property tag: | 0x0E260102 |
The PR_PROOF_OF_SUBMISSION property corresponds to an X.400 submission envelope per-message attribute.