请求：
{OKAYAPI_API_HOST}/?s=App.Market_Email.Send&email_sender=dogstar&email_address=376741929@qq.com&email_title=测试邮件标题&email_content=这是一封测试邮件&app_key={你的app_key}&sign={动态签名}

返回：
{
    "ret": 200,
    "data": {
        "err_code": 0,
        "err_msg": ""
    },
    "msg": "小白开放接口：App.Market_Email.Send"
}

请求：
{OKAYAPI_API_HOST}/?s=App.Market_Email.GetEmailList&app_key={你的app_key}&sign={动态签名}

返回：
{
    "ret": 200,
    "data": {
        "err_code": 0,
        "err_msg": "",
        "total": 1,
        "items": [
            {
                "id": 2,
                "email_sender": "dogstar",
                "email_address": "376741929@qq.com",
                "email_title": "测试邮件标题",
                "email_content": "这是一封测试邮件",
                "email_result": "1",
                "email_time": "2019-02-19 23:28:25"
            }
        ]
    },
    "msg": "小白开放接口：App.Market_Email.GetEmailList"
}