The PR_REQUESTED_DELIVERY_METHOD property contains a binary array of delivery methods (service providers), in order of a message sender's preference.
| Header file: | MAPITAGS.H |
| May be exposed by: | Message objects |
| Identifier: | 0x0C18 |
| Property type: | PT_BINARY |
| Property tag: | 0x0C180102 |
| Corresponding X.400 attribute: | MH_T_PREFERRED_DELIVERY_MODE |
The array contained in the PR_REQUESTED_DELIVERY_METHOD property consists of 32-bit ASN.1 identifiers for each of the service providers. Typical identifier values are MH_DM_TELEX and MH_DM_G3FAX.
Message Properties, PR_PROOF_OF_DELIVERY_REQUESTED