Why don't you just go into your order on your Apple account and edit the delivery notifications and billing email addresses etc yourself?
You may even benefit from seeing an updated delivery date (although with an 08:25 order time I doubt it) but at least you'll get emails to the correct address from now on ....
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When you get your 'ready for collection' text there's a link to click which brings up a reservation card for you to add to your wallet.
I've got my ready for collection email, got notified from the app, but haven't received any texts.
Odd I should be getting texts from Apple. A text I was expecting with my PAC from Vodafone didn't turn up either.