Abstract: A method and system for automatic electronic mail address maintenance in a data processing system coupled to an electronic mail distribution system. An electronic mail processing application is utilized to process electronic mail transferred to or received from the electronic mail distribution system. Each time an electronic mail item is processed within the electronic mail processing application, electronic mail addresses are automatically retrieved and stored within the data processing system. Group or alias address are resolved by automatically accessing the electronic mail distribution system to obtain the appropriate electronic mail address. The retrieved electronic mail addresses may then be displayed by a user together with or separate from an existing address list. These automatically retrieved electronic mail addresses may then be viewed alphabetically, in data sequence or by frequency of transmission or receipt to or from designated electronic mail addresses.