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