JavaMail回复
http://blog.csdn.net/o_darling/article/details/17558049
http://blog.csdn.net/xiyang_1990/article/details/11486413
http://www.cnblogs.com/cocowool/archive/2012/03/14/2395390.html
http://www.tutorialspoint.com/javamail_api/javamail_api_fetching_emails.htm
http://www.yiibai.com/javamail_api/javamail_api_fetching_emails.html
