Police apprehended the sender after the user feared for the safety of her family.
Alibaba-owned second-hand goods marketplace Idle Fish boasts 1.3 million interest-based communities, a key sales driver.
The used goods resale sector has had its share of problems including counterfeit goods, merchandise quality, and even legal issues concerning the sale of endangered animals.
E-commerce players and specialized verticals such as used car platforms are operating their own auction platforms.
More than 500 million users are expected to participate in this year’s promotion.
The company seeks to increase its focus on its retail business to improve lower-tier city penetration.
The joint project will compete with similar efforts by Alibaba, Meituan, and JD.
Alibaba revenue surges 42% on the year in the quarter ended June 30.