In a mail message service system for delivering mail having mailboxes installed for respective users, an answer asking table is provided for storing information representative of whether an answer to a previously sent message is requested. Also stored in the answer asking table is the date and hour at...http://www.google.es/patents/US5040141?utm_source=gb-gplus-sharePatente US5040141 - Method for administrating reply mail in electronic mail system
Method for administrating reply mail in electronic mail system
