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