Generally speaking, the summons issued by the China Post Court will not be fake. However, there may still be individual circumstances where someone may forge a subpoena. This is often due to criminals trying to impersonate court staff and send victims fake subpoenas or other legal documents via email or text messages in order to defraud victims of money or personal information.

If you receive a court summons that appears to be genuine, you can confirm its authenticity in the following ways:

1. **Contact the Court**: You can directly Call the courthouse and ask if there is actually a subpoena in your name. Court staff can tell you if there is a subpoena associated with your name.

2. **Check the details of the subpoena**: Carefully check the details of the subpoena, such as the name of the court, the name of the judge, the date and content of the subpoena, etc. The information should be clear, accurate, and free of spelling or formatting errors.

3. **Find the legal process**: If you know the legal process, for example, if you know that in this case, the court will not usually send the subpoena by post, then you may doubt the authenticity of the subpoena.

4. **Contact a lawyer**: If you have a lawyer, you can consult them. They may be able to help you determine the authenticity of the subpoena.

In any case, if you have doubts about the authenticity of a subpoena, your best course of action is to contact the court directly to ensure its authenticity. At the same time, it is very important to protect personal and financial information and not to provide this information to untrustworthy people or institutions.