11 english x-vnd.Be-MAIL 939699066 2out B_USER_DIRECTORY/mail/out 发件箱 3in B_USER_DIRECTORY/mail/in 收件箱 4queries B_USER_DIRECTORY/mail/queries 查询 5sent B_USER_DIRECTORY/mail/sent 已发送 6mail B_USER_DIRECTORY/mail 邮件 7draft B_USER_DIRECTORY/mail/draft 草稿箱 8spam B_USER_DIRECTORY/mail/spam 垃圾邮件 9