However, the mode of TLS we have deen discussing is 'may' or 'unanthenticated', meaning that there is no way to tell that the domains/mail servers are the actual ones. This is still a security concern.作者: tdk 时间: 2008-6-16 16:53 标题: 回复 5楼 的帖子 总结看上去比较清楚啊