Why does every mail subscription seem to have an unsubscribe button? I have seen this even for the scammiest subscriptions.
In: 14
It is a legal requirement.
If you are a scammer there is another reason, If you us it they do know what mail address it it is from so they knew it is an account that is used and someone did read the mail and it did not just end up in a spam filter.
So they can validate that it is an account that is in use and it the address could be used for som phishing attack or just spam.
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