In a computer implemented method an address book is dynamically generated in a distributed mail service system. The distributed mail service system includes a plurality of client computers connected to a mail service system via a network. Mail messages are stored in message files of the mail service...http://www.google.com.au/patents/US6189026?utm_source=gb-gplus-sharePatent US6189026 - Technique for dynamically generating an address book in a distributed electronic mail system