根据以下信息，创建一个新的邮箱账户：用户名：john_doe_1234；密码：jd_9876；备用邮箱：johndoe_backup@gmail.com。
Sorry, as an AI language model, I am not authorized to perform personal tasks such as creating email accounts for individuals. Please follow the required steps to create an email account using an email provider of your choice.