A server is disclosed for filtering e-mail messages. The server receives requests to retrieve e-mail messages on behalf of a client and then retrieves e-mail messages from a mail server on behalf of the client. The server then filters the e-mail messages based on one or more rules and transfers the filtered...http://www.google.fr/patents/USRE41940?utm_source=gb-gplus-shareBrevet USRE41940 - Method and apparatus for filtering E-mail
