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The IP is used for geolocation. If the server detects that you're in a jurisdiction where clicking "unsubscribe" has to immediately unsubscribe you, the server
by post-it 5y ago
The IP is used for geolocation. If the server detects that you're in a jurisdiction where clicking "unsubscribe" has to immediately unsubscribe you, the server does that, otherwise it shows you a button.