登录华为企业邮箱管理员（地址：https://www.ppmail.com.cn/list_51，选择：华为企业邮箱登录入口/管理员登录）

Log in as Huawei Enterprise Email Administrator (address: https://www.ppmail.com.cn/list_51 Select: Huawei Enterprise Email Login Portal/Administrator Login

1、邮箱服务-域名管理，在已绑定的域名列表里面找到需要更改的域名，点右侧：编辑

Email Service - Domain Management, find the domain name that needs to be changed in the bound domain name list, click on the right side: Edit

2、修改：输入新域名，提交；配置域名dns（具体可参考华为企业邮箱域名解析方法）进行验证，完成

Modification: Enter a new domain name and submit; Configure domain DNS (refer to Huawei Enterprise Email Domain Resolution Method for details) for verification, complete

验证配置全部成功后，即可替换原有域名。

替换后，原域名的成员邮箱后缀都统一更新为新域名，邮件内容依旧保留。

After verifying all configurations successfully, the original domain name can be replaced.

After replacement, all member email suffixes of the original domain name will be uniformly updated to the new domain name, and the email content will still be retained.