Abstract: Described is a method for generating a dynamic mailing list with the following steps: (a) comparing a source mailing list to an established mailing list, the source mailing list including a mailing address to which a sender desires to send a message; (b) when the mailing address is included in the established mailing list, making a preliminary determination to add the mailing address to the dynamic mailing list; and (c) when the mailing address is not included in the established mailing list, processing the mailing address according to a procedure defined by an add rule for adding the mailing address to the established mailing list.