We introduce our newly developed software for customer database - zoom-letter®. Software is used for sending newsletters and their statistic analysis. It enables synchronization with reservation and POS systems, automated distribution of pre- and post- stay emails, birthday greetings etc. Higher versions include also on-line check-in and loyalty program. zoom-letter® is offered in three versions: Standard, Business and Professional. The system is designed for a wide range of customers. In cooperation with company Bookassist will be offered to hotels in the Czech Republic and abroad.