Order confirmation email goes to "Promotions" tab in email

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hey, the order confirmation email goes always to the promotions tab instead of primary or updates, how can I fix it? (btw different email such as password reset goes to the primary tab)

it's really annoying because most of the promotions tab is just spam and customers often won't see the email.

(adding a message in the checkout page is optional but I'm looking to fix the issue completely )