Yawebmail 源码，一个网页邮件收发系统-Yawebmail is a Web-(Online-)Application that enables you to establish a SMTP-, POP3- or IMAP-Connection, even if you are behind a firewall that prevents Mail-Communication- you only need to have HTTP-Access to the Internet.

绘图组件与数据库连接进行形成画点线图需要环境： 1.jdk1.4及以上版本 2.web服务器 tomcat weblogic resin等 3.需要类库 jcommon-1.0.0-pre2.jar jfreechart-1.0.0-pre2.jar servlet-api.jar 这三个类库被封装了 -Graphics components and the formation of the database connection points line plan nee