October 2, 2025 Gmail Rapid Release Scheduled Release Security and Compliance What’s changing Generally available today, Gmail client-side encryption (CSE) users can send end-to-end encrypted (E2EE) emails to anyone, even if the recipient uses a different email provider. Recipients will receive a notification and can easily access the encrypted message via a guest account, ensuring secure communication without the hassle of exchanging keys or using custom software. This capability, requiring min...