1、登录138企业邮箱管理员（地址：https://www.ppmail.com.cn/list_51，选择138企业邮箱登录入口/邮箱登录），右上角：管理后台

Login to 138 Enterprise Email Administrator (Address: https://www.ppmail.com.cn/list_51 , select 138 Enterprise Email Login Entrance/Email Login), top right corner: Management Console

2、安全管理-邮件监控-监控规则-新建（如果已经存在监控规则，可以点击规则列表：“名称”位置，进行重新编辑）
Security Management - Email Monitoring - Monitoring Rules - New (If a monitoring rule already exists, you can click on the "Name" position in the rule list to edit it again)

3、填写监控信息，保存.
需填写监控规则名称、被监控邮箱（具体用户或者部门可根据需要勾选），设置监控条件，如选择监控范围（站内范围指的是所有在138企业邮箱上开通邮箱的用户邮件往来）、触发条件（可选择同时满足所有条件/满足条件之一）、是否含有附件，设定监控员

Fill in monitoring information and save it
You need to fill in the name of the monitoring rule, the monitored email (specific users or departments can be checked as needed), set monitoring conditions, such as selecting the monitoring range (the internal range refers to all email exchanges between users who have opened an email on the 138 enterprise email), triggering conditions (you can choose to meet all conditions/one of the conditions), whether there are attachments, and set the monitoring personnel