Info:
Encrypted communication can only be set up to be used with your default
GMX address.
In order to use encrypted communication, a setup is required. During setup, a set of keys is
generated, which can be stored if desired.
Setting up encrypted communication for the first time
Requirements:
Make sure you are using Mozilla Firefox or Google Chrome.
-
Log in to your GMX
Account. In your inbox, click the lock icon next to the compose button.
-
Click Set up Encrypted Communication.
-
Follow the instructions on the screen.
-
During setup, you will be asked to download and install the Mailvelope
extension.
-
Next, you will be asked to set a passphrase. This passphrase is needed to
encrypt your private key in order to prevent its abuse in case it gets stolen.
You will need this passphrase each time you wish to encrypt or decrypt an
email.
-
At the end of the setup process, you can create a backup of your set of keys.
This will not only allow you to recover it if you forget your passphrase or lose
your key files. It futher allows you to use it with other devices such as
smartphones, tablets or other computers.
-
Print out your recovery document and store it in a safe place for future
reference.
Setting up Encrypted Communication on another Computer
If you have set up a recovery document for your key pair, you can use it to set up
Encrypted Communication on other computers.
-
Use your "other" computer to to log into your GMX
Account. In your inbox, click the lock icon next to the
"compose" button.
-
Click Download Browser Extension and install
Mailvelope.
-
Enter the recovery code on your recovery document.
Setting up Encrypted Communication on an Android Device
As soon as you have set up Encrypted Communication on one of your computers, you can
also use it with your GMX Mail App for Android.
-
Start your GMX Mail App for Android and log in.
-
Tap your device's menu button and tap activate PGP.
-
Tap Scan QR code and point your device camera on the recovery document's QR code at the bottom right of your recovery document.
-
If your device doesn't have a camera, you can enter your recovery code by hand. To do so, tap
Recovery Code.
-
Click Done to confirm.
Setting up Encrypted Communication on your iPhone or iPad
If you have already set up Encrypted Communication on your computer, you can also use
it with your GMX Mail App.
-
Start the GMX Mail App and log in.
-
Tap the menu icon at the upper right.
-
Tap Settings → Encryption → Activate mobile encryption.
-
Tap Scan QR code and point your device camera on the
recovery document's QR code at the bottom right of your recovery document.
-
If your device doesn't have a camera, you can enter your recovery code by hand.
To do so, tap Recovery Code.
-
Click Done to confirm.
Setting up PGP if you have been a Mailvelope user before
-
Start by exporting your key from your current mailvelope installation. See
Managing Keys with Mailvelope.
-
Install the latest
version of mailvelope.
-
Click the mailvelope icon and then
Settings.
-
In the options tab, click list of email providers
-
Click Add new Site.
-
In the site field, enter
GMX, use GMX
as domain template, and activate the
API checkbox.
-
Click OK to confirm.
-
Log out of GMX an in again
-
Set up encrypted communication as described in this documentation.
-
Import your old key pair, see Managing Keys with Mailvelope.