How long does it take to send more than 10,000 messages and defraud more than 40,000 yuan?

It should be decided by the court according to the circumstances of the crime.

criminal law

Article 266 Whoever defrauds public or private property in a relatively large amount shall be sentenced to fixed-term imprisonment of not more than three years, criminal detention or public surveillance, and shall also, or shall only, be fined; If the amount is huge or there are other serious circumstances, he shall be sentenced to fixed-term imprisonment of not less than three years but not more than ten years and shall also be fined; If the amount is especially huge or there are other especially serious circumstances, he shall be sentenced to fixed-term imprisonment of not less than 10 years or life imprisonment, and shall also be fined or confiscated. Where there are other provisions in this Law, such provisions shall prevail.

Interpretation of the Supreme People's Court and the Supreme People's Procuratorate on Several Issues Concerning the Specific Application of Law in Handling Criminal Cases of Fraud

Article 1 Whoever swindles public or private property in an amount of over 3,000 yuan, over 30,000 yuan, over 100,000 yuan and over 500,000 yuan shall be deemed as "large amount", "huge amount" or "especially huge amount" as stipulated in Article 266 of the Criminal Law respectively.

Article 5 Anyone who attempts to defraud, with a huge amount or other serious circumstances, shall be convicted and punished.

Using telecommunications technologies such as sending short messages, making phone calls, and the Internet to defraud an unspecified majority of people, and the amount of fraud is difficult to verify. However, under any of the following circumstances, it shall be deemed as "other serious circumstances" as stipulated in Article 266 of the Criminal Law, and shall be convicted and punished for fraud (attempted):

(1) Sending more than 5,000 pieces of fraudulent information;

(2) Making fraudulent phone calls for more than 500 times;

(3) The fraudulent means are bad and the harm is serious.

If the number of acts specified in the preceding paragraph reaches more than ten times the standards specified in Items (1) and (2) of the preceding paragraph, or if the fraudulent means are particularly bad and the harm is particularly serious, it shall be deemed as "other particularly serious circumstances" as stipulated in Article 266 of the Criminal Law, and shall be convicted and punished for fraud (attempted).

Article 6 If the accomplished fraud and attempted fraud reach different sentencing ranges respectively, they shall be punished according to the provisions of heavier punishment; Those who reach the same sentencing range shall be punished as fraud.