On Odoo Email Marketing's Privacy Page you can request and collect all the privacy and GDPR related information that Odoo Email Marketing is providing.
The privacy policy by is a legal document or statement that discloses how Odoo Email Marketing gathers, uses, discloses, and manges their customers' data.
The basis for Odoo SA 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.