LetterXpress is a service for customers with a low or irregular mailing volume. LetterXpress prints, envelopes and cares for the postal mailing. With the product of XKEY we have managed to provide a printer driver for the customers which meets all the requirements.
The Portable Document Format (PDF), in its function as a "digital paper document", is the worldwide de facto standard for digital documents. No other technology can compete with PDF concerning flexible use and market acceptance.