Short description of Mailing List Express Pro 6.70: Mailing List Express Pro is designed to create and support mailing lists for your clients and subscribers. All you have to do is draft one message and it will be sent to an entire list of mail recipients. In addition, the program will create a personalized letter for each subscriber, which can include all the necessary information from your data base. Nowadays nearly all offices have tasks which demand fast-track information delivery.