The PR_READ_RECEIPT_SEARCH_KEY property contains a search key for the messaging user to which the messaging system should direct a read report for a message.
| Header file: | MAPITAGS.H |
| May be exposed by: | Message objects |
| Identifier: | 0x0053 |
| Property type: | PT_BINARY |
| Property tag: | 0x00530102 |
The PR_READ_RECEIPT_SEARCH_KEY property is ignored unless the PR_READ_RECEIPT_REQUESTED property is set to TRUE.
If a client application wants to receive read reports itself, it can leave PR_READ_RECEIPT_SEARCH_KEY unset or set it to the search key contained in the PR_SENDER_SEARCH_KEY property at message submission time.