Legal analysis: Under normal circumstances, the express mail that has been signed can't be rejected, so we can only negotiate with the seller to return it. Rejection refers to the receipt and inspection of express mail in front of the courier when it arrives at the receiving place. If you are not satisfied, you can refuse the express mail. When the courier informs you to pick up the express mail, directly tell the other party not to sign for it and the courier will return it. Express delivery signing process: 1. Wait for the courier phone to inform you that you can pick up the goods, and pay attention to the integrity of the packaging and internal items when picking up the goods. If there is any problem, tell the courier to refuse to send it back. If there is no problem, just sign the courier's signature. 4. Note that some couriers may sign the courier slip before picking up the courier. At this time, we should pay attention to the quality of goods. Otherwise, it will cause some trouble for the later return. The courier supports rejection, and the recipient can directly tell the courier to refuse. The courier will take the courier back to the outlet and handle it according to the rejection procedure. After rejection, the courier company will inform the sender to see if the sender wants to return the goods. If it is returned to most courier companies, the return fee will be paid, and the monthly customers are generally free. If not, it will be treated as no express mail.

Legal basis: Article 71 of the Postal Law of People's Republic of China (PRC), whoever impersonates, opens, conceals, destroys or illegally checks other people's mail or express mail, which does not constitute a crime, shall be given administrative penalties for public security according to law. Service companies derived from door-to-door logistics activities with postal functions are called courier companies, which use railway, highway, aviation and other modes of transportation to deliver customers' goods quickly. Private express delivery violates personal privacy. You can complain to the courier company.