It shows "The email address format is incorrect"

To ensure service quality, the email addresses you register must comply with the international standard "RFC". Please keep the following points in mind when registering your email address:

  • Use only alphanumeric characters.
  • The only symbols that can be used are the dot ".", hyphen "-", and underscore "_"
  • Symbols should not be used at the beginning of the email address or immediately before the @ symbol.
  • Symbols cannot be used consecutively more than once.