The Site Mailbox Web Service Protocol enables clients to use a web service to manage access to site mailboxes. It provides operations to set the lifecycle state of a site mailbox or unpin it from the client.
Sections 1.8, 2, and 3 of this specification are normative and can contain the terms MAY, SHOULD, MUST, MUST NOT, and SHOULD NOT as defined in [RFC2119]. Sections 1.5 and 1.9 are also normative but do not contain those terms. All other sections and examples in this specification are informative.