去除了登陆模式.MDB导入模式增加了非邮箱地址辨别增加了文本模式导入修改了无邮箱列表出错问题普通发送模式增加了是否发送成功的辨别-In addition to landing mode. MDB import mode increases the non-mail address to identify increased import text mode without modifying the list of mailboxes error problem common transmiss