Each MAPI message sent from Microsoft Exchange Server has a recipient table. The recipient table contains the following properties for each intended recipient of the message.
| Property Name | Description |
|---|---|
| PR_ADDRTYPE | Identifies the type of mail system. For example: SMTP. |
| PR_DISPLAY_NAME | Specifies the recipient’s display name, for example “John Doe.” |
| PR_EMAIL_ADDRESS | Specifies the recipient’s address: In foreign system format for a one-off address; otherwise in Microsoft Exchange Server format. |
| PR_ENTRYID | Points to the directory entry for a Microsoft Exchange Server recipient. |
| PR_RECIPIENT_NUMBER | Specifies this recipient’s ordinal number in the recipient list. |
| PR_RECIPIENT_TYPE | Specifies the recipient type, MAPI_TO. |
| PR_SEARCH_KEY | Message identifier. |
| PR_SEND_RICH_INFO | If TRUE, recipient is a MAPI recipient. |