BlueMail is a customized version of OpenAI's GPT-3 language model which was blocked last week.
ChatGPT has become a hot subject in the tech industry this year.
Microsoft and Alphabet Inc's Google both announced their own AI chatbots earlier in February.
Early search results from AI chatbots have made headlines with their unpredictability.
Microsoft has invested around $10 billion in OpenAI to get ChatGPT for its products.
Chinese companies are also focused on developing AI solutions to work in their market.