2025-07-07 00:00:00 PEC (Certified Electronic Mail), Digital Signature (Qualified Electronic Signature), SPID (Public Digital Identity Service), certain date (Qualified Time Stamp), registered letters, telegrams, cancellations, priority letters, mass mail, fax, bouquets of flowers, payment of postal bills and telephone top-ups are no longer a problem thanks to the LetteraSenzaBusta application for Android devices. The LetteraSenzaBusta APP allows you to carry out the same operations online 24 hours a day that you normally do in a post office and much more, without having to leave your home or office and without having to queue at the post office. QUALIFIED TRUSTEE SERVICES