Direct Marketing Mailing Lists Direct mail marketing employs compiling and using lists created from marketing and survey strategies. Direct marketing mailing lists are utilized by targeting specific demographics to improve businesses advertising and visibility. These lists can be used to contact customers via email, mobile text messaging, promotional letters, fliers, or catalogs. These forms of contact allow the business to directly connect to their future or current clients. The direct mail cost is now even more affordable due to the widespread efficiency of Internet media and communication.