REDDOXX MailSealer by REDDOXX GmbH is a security solution for email traffic. It encrypts and signs outgoing emails, while checking and decrypting incoming emails. REDDOXX MailSealer supports the internationally established encryption standard S/MIME, ensuring compatibility with other solutions used by communication partners. It implements rule-based, centralized, and automatic encryption and signing, independent of the user. REDDOXX MailSealer meets the requirements of the General Data Protection Regulation (GDPR) for secure email communication.