Javamail发送新浪邮件后保存邮件到已发送

    private static void copyIntoSent(MimeMessage msg, Session session) {
        try {
            IMAPStore store = (IMAPStore) session.getStore("imap");
            store.connect("IMAP服务器", "账号","密码");
            IMAPFolder folder = (IMAPFolder) store.getFolder("已发送");
            if (!folder.exists()) {
                folder.create(Folder.HOLDS_MESSAGES);
            }
            folder.open(Folder.READ_WRITE);
            folder.appendMessages(new Message[]{msg});
            folder.expunge();
        } catch (Exception e) {
            logger.info("保存到已发送失败");
            e.printStackTrace();
        }
    }