是一个能够从pop3服务器中检查所有邮件，并且可以查看邮件内容，也可以删除邮件但是没有实现附件的接收，使用时需要设定服务器地址以及用户名和密码-From pop3 server is a check of all e-mail, and you can view the message content can also delete the e-mail but not receiving attachments need to set the server address, username