When a desired document file to be attached to electronic mail is designated,
access information relating to the designated document file, e.g., access information
relating to the location of the document and privilege to access the document,
is acquired. The access information is set by a user through a prescribed user
interface. An attachment file which includes this access information is generated
and electronic mail to which the generated attachment file has been attached is
transmitted. The receiving side acquires and views the corresponding document file
in accordance with the attached access information.
