Open-Xchange, a German company, has released OX Guard, an addition to the company’s email server that allows users to send encrypted emails to anyone. It does this by sending two emails, the first contains a link to a web portal with the encrypted message, the second contains the password to access the portal. When the receiver logs in for the first time, they are forced to change the password. This means the receiver will know if an encrypted message has been compromised because a snooper would have to change the password before being able to view the message. The tool relies on PGP encryption and uses a unique key for each message.