To send and receive confidential data, please ask us to establish an encrypted e-mail connection. We will then send you an encrypted mail.
Open the mail.
Open the attachment "secure-email.html" at the very bottom with a double click or in your  browser (if this is not possible directly: save the attachment in the download folder and open it from there).
Choose your language . Then: "OK".
Enter your mobile number incl. country code (e.g. 004177xxxxx) . Then: "next
Then enter the code you have just received by SMS . Click on "save" or "login" if you are already registered.
You will now see our first encrypted mail to you.
More information on our data protection measures can be found in the article "Together for Education, Transparency and Data Protection".