question about email notification

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the first time i register mylot,i filled an email address in the email blank and confirmed it.then i received the email from mylot notification,it's good. after that,i want to change the email in the account information,then i changed it.then i received a email from mylot with a confirm link,i clicked it.then a page told me "Welcome to myLot, your account has been verified!" then i received the notification too.it's good too. but the problem is i can receive the same notification in both two inbox.it makes me a bit uncomfortable. is anybody can tell me how to kill one of them?