open-falcon/mail-provider 安装，

[root@server mail-provider]# cat cfg.json 
{
    "debug": true,
    "http": {
        "listen": "0.0.0.0:4000",
        "token": ""
    },
    "smtp": {
        "addr": "smtp.163.com:25",
        "username": "fengjian1585@163.com",
        "password": "1111111111111111",
        "from": "fengjian1585@163.com"
    }
}