基于javamail的web邮件客服端，实现了基本的邮件管理功能，包括：发件箱、收件箱、草稿箱、垃圾箱、通信录等-Based on the the javamail web e-mail customer service side to achieve a basic mail management features, including: Outbox, Inbox, Drafts, trash, and address book