RealMailers is a direct mail service that provides users with tools to create, personalize, and send mail campaigns to specific target audiences. The platform emphasizes ease of use, allowing businesses and individuals to design postcards and other mail pieces easily. It integrates with mapping tools to enable users to select precise mailing lists based on geographical data and demographics. RealMailers aims to streamline the process of reaching potential customers through physical mail, offering an efficient way to plan, execute, and track direct mail campaigns.