I received an email (shown below) in my spam folder today. From the first glance you take at it, you'll immediately know it's a spam email because it doesn't come from an official Apple email address:
Under the usual banner (this message was identified as spam), I noticed a new one reading:
⚠️ Do you classify this e-mail as unwanted/spam? Please report the sender by clicking here
Thinking this was a new feature from Outlook, I clicked the link and it took me to a 'confirm unsubscribe' page looking like this:
I'm not sure this is a new technique these companies or trying out to get your information, but be cautious and look out for this. If you take a closer look at the image, you'll see that the fake banner has a bigger margin to the left than the real one.
Inspect element also helps to see where the link will take you if you're unsure: