Open an Encrypted Email | Virtru Open an Encrypted Email | Virtru. Someone sent you an email or file. encrypted by Virtru. Here's what to do next. Click the “Unlock Message” button in the email you received. … Open an Encrypted Email | Virtru. Someone sent you an email or file. encrypted by Virtru. Here's what to do next. Click the “Unlock Message” button in the email you received. …