Why did China Post Bank unsubscribe from SMS? It's no use.

Postal savings bank has the following ways to cancel SMS: 1) Take my ID card and bank card to the bank counter to cancel SMS service. 2) Call 95580 customer service, switch to manual service, and tell the staff to cancel the SMS notification. 3) Log in to mobile banking, find SMS notification service, and choose to cancel SMS notification. Postal service is a communication department managed by the state or directly engaged in delivering all kinds of mail (letters or articles), which has the characteristics of communicating officials, businessmen and people. Postal service is a productive force. For example, "Tang Jing Ji" said: "A letter meeting is a meeting to exchange opinions, focus on topics and handle affairs by circular letter." 1On March 20th, 896, Emperor Guangxu of the Qing Dynasty invited Zhu Pi, the imperial book, to formally approve the establishment of the Qing Post Office, and China Modern Post was born.