Easy, Free End-to-End Email Encryption – Revoke and Control Email After Send
You may also like
Virtru secures email and attachments with end-to-end encryption, adding new features to Gmail, Yahoo! Mail, and outlook.com like message revoke, disable forwarding, and message expiration. Seamlessly integrated with most major email services as well as email clients such as Apple Mail, Microsoft Outlook, Android, and iOS Virtru layers strong, end-to-end security atop email allowing end-users to send securely without the use of difficult to install encryption software.
Virtru focuses on usability and integration making secure email accessible to all end-users. Virtru is based on the secured Trusted Document Format, a format used to secure sensitive information and give message senders the ability to control messages even after they have been sent.