PidTagListUnsubscribe Canonical Property

Applies to: Outlook 2013 | Outlook 2016

Contains the value of a Multipurpose Internet Mail Extensions (MIME) message's List-Unsubscribe header field.

Associated properties:
PR_LIST_UNSUBSCRIBE, PR_LIST_UNSUBSCRIBE_A, PR_LIST_UNSUBSCRIBE_W
Identifier:
0x1045
Data type:
PT_STRING8, PT_UNICODE
Area:
Miscellaneous

Remarks

To generate a List-Unsubscribe header field, clients must set these properties to the desired value. MIME writers must copy the value of these properties to the List-Unsubscribe header field.

To set the value of these list server-related properties, MIME clients must write the header fields as specified in the following table.

Property Preferred header field name Alternate header field name
PR_LIST_UNSUBSCRIBE
List-Unsubscribe
X-List-Unsubscribe

Protocol specifications

[MS-OXPROPS]

Provides references to related Exchange Server protocol specifications.

[MS-OXCMAIL]

Converts from Internet standard email conventions to message objects.

Header files

Mapidefs.h

Provides data type definitions.

Mapitags.h

Contains definitions of properties listed as alternate names.

See also

MAPI Properties

MAPI Canonical Properties

Mapping Canonical Property Names to MAPI Names

Mapping MAPI Names to Canonical Property Names