Unsubscribing from emails is different from unsubscribing from a paid subscription service / cancelling an account, and have different legal obligations. The same applies to starting up a new account / paying for a subscription again. Different situations, different processes, different legal obligations. It's why, for example, you can unsubscribe from all general marketing emails from our company, but you can't technically unsubscribe from major account update emails without wholly cancelling and deleting your account.
If you are worried about this procedure, it may be beneficial to contact your representative or MP and ask for a modification in the way email communications are legally managed.
While we understand you're sentiment, we have to follow certain legal and anti-spam regulations. This means that we can't keep sending emails to people who have unsubscribed or resubscribed.
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