On Alibaba Message Service's Privacy Page you can request and collect all the privacy and GDPR related information that Alibaba Message Service is providing.
The privacy policy by is a legal document or statement that discloses how Alibaba Message Service gathers, uses, discloses, and manges their customers' data.
The basis for Alibaba sharing, adding, uploading, hosting, accessing or sending personal data out of Europe. Vendors can also add a description of their own impact assessment for data transfers.