We regret that you wish to cancel your contract. In order to cancel your premium contract, we have to ensure your identity, which is why you should first log into the e-mail inbox that you want to cancel. Then you will find the link "Cancel contract" at the bottom left of the homepage directly after logging in. Please click on the link and you will be taken directly to the cancellation form.
FreeMail users can deactivate their e-mail box after logging in in the settings area.