2.2.4.42 PidTagAddressBookAuthorizedSenders

Data type: PtypObject ([MS-OXCDATA] section 2.11.1)

The PidTagAddressBookAuthorizedSenders property<34> ([MS-OXPROPS] section 2.511) indicates whether delivery restrictions exist for the specified recipient. A value other than NULL indicates that delivery restrictions exist for this recipient. The address book does not contain the lists of senders who are allowed for this recipient; it only indicates whether such restrictions exist.