获取邮箱账号分组列表

{
    "code": 0,
    "data": {
        "value": [
            {
                "id": -2,
                "parentId": 0,
                "name": "辅助邮箱",
                "readOnly": false
            },
            {
                "id": 101,
                "parentId": 0,
                "name": "test1",
                "readOnly": false
            },
            {
                "id": 102,
                "parentId": 0,
                "name": "test2",
                "readOnly": false
            }
        ],
        "total": 36
    }
}