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