First, when applying for a credit card number and writing materials, the applicant is required to write personal materials such as email address, mainly to facilitate billing or other credit card-related activities.
2. If you haven't written your email or received it in your email, you can go to the online credit card center of the relevant bank and add the relevant email.
Three. Related online settings, taking Guangfa as an example:
1. Log in to official website Credit Card of Guangfa Bank.
2. Click on the e-bill or e-mail address update.
3. The email address is updated as follows
4. You can update the successful email address by writing relevant credit card basic information.