Postal savings card has been charged a short message fee, 30 yuan. How to recover 30 yuan and cancel SMS service?

This business is not compulsory. I suggest you go to the teller at the processing window at that time and ask to return to 30 yuan. If it is rejected, you have the right to ask for the video at that time to prove that the teller's behavior has been seriously violated.

Postal savings card (green card for short) is a financial transaction card issued by the national postal department to provide financial services for depositors. Postal savings card is a postal savings card issued to individual urban and rural residents. All urban and rural residents who open a current savings account in a post office (or postal savings point) with a postal savings computer can apply for using postal savings card with their ID cards. Its main function is to deposit and withdraw money in networked ATMs and postal savings offices and to spend money in networked POS machines. Hainan Postal Savings has been connected with nearly 28,000 outlets in 3/kloc-0 provinces and cities nationwide.

With the green card savings card, you can handle access business at networked savings outlets or ATMs, do shopping at special merchants, and help you pay pension, collect and remit telecom fees, utilities, cable TV fees, subscribe to newspapers and periodicals, and pay room rates and taxes.