SEPAmail is a secure messaging system open to banks, originating from a coalition of major French banking groups, including Crédit Mutuel CIC, BPCE, Crédit Agricole, Société Générale, and BNP Pariba. SEPAmail ensures secure exchanges of information among banks, businesses, and individuals.With its adaptable technology, SEPAmail spans across 400 European banks, offering a secure gateway to international financial activities. This innovative system not only digitizes traditional transaction methods but also guarantees data protection through its multi-level security approach, establishing itself as a pioneering solution for modern banking demands. SEPAmail comprises two active services: Aigue Marine and DIAMOND.653.