In order to establish secure communications with a Fraunhofer employee, the message must be encrypted with the help of his/her encryption certificate. In case the certificate in question is not already installed on your local system, this page offers the possibility to retrieve the employee's certificate from the central Fraunhofer directory.
If this is the first time you'd like to exchange encrypted messages with a Fraunhofer employee it might be required to download the root certificate of the PKI for Fraunhofer Employees at first.
For further assistance regarding the integration of certificates within your e-mail application please refer to our detailed user guide.