| Platform SDK: MAPI |
The PR_PROOF_OF_SUBMISSION_REQUESTED property contains TRUE if a message sender requests proof that the message transfer system has submitted a message for delivery to the originally intended recipient.
| Header file: | MAPITAGS.H |
| May be exposed by: | Message objects |
| Identifier: | 0x0028 |
| Property type: | PT_BOOLEAN |
| Property tag: | 0x0028000B |
| Corresponding X.400 attribute: | MH_T_PROOF_OF_SUBMSN_REQUESTED |