======mail_info(邮件信息)======

=====字段说明=====

^字段名^描述^类型^默认值^
|**id**|ID 无意义[core]|int|0|
|**player_id**|玩家id[player_id]|int|0|
|**server_id**|服务器id|int|0|
|**sender**|发送者（显示用）|string|UnlimitedPuzzle|
|**config_id**|[[generated:mail_config]].id原型id，0表示GM发送|int|0|
|**title**|标题 |string||
|**content**|正文|string||
|**url**|超链接|string||
|**income**|携带的奖励[[generated:INCOME]]|string||
|**condition**|可以看到的条件[[generated:CONDITION]]|string||
|**start_time**|开始时间|string||
|**end_time**|结束时间|string||
|**opened**|是否已经领取|int|0|
|**red_point**|是否有红点，阅后置为0|int|1|
=====数据库查询=====