There is no limit to the e-mail box for receipt, which can be the e-mail box written when handling the card, QQ e-mail box or other e-mail.

When applying for a credit card number, the applicant is required to fill in personal information such as email address, mainly to facilitate bookkeeping or other credit card-related activities.

If the mailbox can't receive the credit card bill or want to change the bound mailbox, you can contact the bank credit card service center to ask for adding the relevant mailbox.