ACT TO ACCOMPANY 3.1 Research, development, innovation 34 3.1.1 R&D in the secure mail business 36 3.1.2 R&D in the field of secure digital communication processes 41 3.2 Product quality, product efficiency and product security 46 3.2.1 Quality management system 48 3.2.2 Customer service at FP 49 3.3 Sustainability in the supply chain 52 4.