Here you can find the relevant information for the server data to retrieve your
email from your GMX mailbox with a third party
The free GMX Mail App is a much more convenient way to check your emails on your smartphone or tablet. You can download the GMX Mail App for Android from the Google PlayStore or for iOS from the Apple App Store.
SSL or encryption
STARTTLS, TLS or encryption
You can only use a TLS protocol if your email program uses TLS versions 1.2 or 1.3. For security reasons, we no longer support
the older TLS versions 1.0 and 1.1.