When you make a purchase on MyDeal an account is created under the email address submitted upon checkout. You would have been required to input your email address and set a password for your MyDeal Account, or you may have signed up with your social accounts.
Please note, if you make a purchase under a different email address, a separate account will be created. We can only assign one email address per account and accounts cannot be combined. Therefore, it is advisable to always stick to one email address so that your purchase history can be clearly viewed in the one account.