Hello everyone thank you all for the feedback and I apologize for any frustration you may be having with changing the language of the unsubscribe text in the footer of your campaigns. You can change the language of the unsubscribe text that displays in your account by changing the Language setting on the My settings page. Here is a knowledge base article that will walk you through the steps.
There have also been a few comments about allowing the unsubscribe text to display in multiple languages in the same campaign or make it based of the recipient language which unfortunately is not currently possible. It is a great idea which I can bring up to the product team.
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