This will tell the server that the messages were not downloaded entirely, which will then allow your standard message retrieval program, such as Thunderbird, to download the message in its entirety.

Retrieval is not limited to data that conforms to a single schema, but can be performed on any customer-defined or industry standard XML format.

The standard quality of CIP data is vital because it has direct influence on readers' retrieval and librarians' book indexing work.