无需任何组件，只要SMTP服务正常就可以进行在线邮件群发，增加了一个邮件类型的选项，方便大家使用HTML代码发送页面邮件，修改了群发邮件时不能将数据库中的邮件地址全部发送的错误，增加了邮件列表，方便清楚的管理自己的邮件-Without any components, so long as the normal SMTP service can be carried out online mail blasts, added a message type of options to facilitate the use of HTML code to send page messages, mass mailings can not be modified in the　of all the e-mail address to send error increases mailing lists, easy to manage their own clear message