We are not tio-online.de and do not send emails on behalf of tio-online.de. If you wish to unsubscribe or stop receiving emails from tio-online.de, please follow one of the steps below:
look for the 'unsubscribe' link in the email that you received. Click on the link and follow the steps to unsubscribe.
sign in with your tio-online.de account username into tio-online.de and go to 'My Account' page. Look for the 'Email Preference' section or similar. Then follow the instruction to change your email preference or unsubscribe.