LazyMAPI

MAPI Properties

MAPI Property: PR_POST_OFFICE_BOX, PR_POST_OFFICE_BOX_A, PR_POST_OFFICE_BOX_W, PR_BUSINESS_ADDRESS_POST_OFFICE_BOX, PR_BUSINESS_ADDRESS_POST_OFFICE_BOX_A, PR_BUSINESS_ADDRESS_POST_OFFICE_BOX_W
Description: Contains the number or identifier of the recipient's post office box.
Property ID: $3A2B
Property type: PT_STRING8, PT_UNICODE
Area: MAPI mail user

Remarks:
These properties provide identification and access information for a recipient. They are defined by the recipient and their organization.