Theres an unsubscribe link in each confirmation email. Im always tempted to click it but Im scared that I might enter my account anymore. I will contact blockchain.info's support and the will report back here as soon as possible.
This makes me more tempted to click that link. But what if it stops sending confirmation emails and then still require a link to be clicked in order to log in?
Im still waiting for blockchain.info's reply. Its been two days now.