独立的弹出式系统窗口，可根据需要将它设置为居中和随意；可统计和限制访问者在多少时间内最多能发送几次邮件（以免浪费系统资源）；文件体积小功能全，界面干净；可根据自己的需要修改界面；可在邮件中写入发送者的IP地址和具体发送时间（可关闭）；邮件发送成功后自动关闭系统-Independent of the pop-up window system, can according to need to set it as centered and casual, statistics and limit the visitor in how much time up to send several messages (in order to avoid the waste of system resources)　file size small, the interface is clean　according to their own needs modification interface　can be written in the mail sender s IP address and send a specific time (off)　messages sent after the success of automatically shut down the system