https://liyue.name/tags/%E7%AB%AF%E5%8F%A3/Recent content in 端口 on liyue.nameHugozh-cnWed, 09 Feb 2022 17:52:47 +0000https://liyue.name/posts/%E6%A3%80%E6%9F%A5ip%E5%9C%B0%E5%9D%8025%E5%8F%B7%E7%AB%AF%E5%8F%A3%E6%98%AF%E5%90%A6%E5%8F%AF%E7%94%A8/Wed, 09 Feb 2022 17:52:47 +0000https://liyue.name/posts/%E6%A3%80%E6%9F%A5ip%E5%9C%B0%E5%9D%8025%E5%8F%B7%E7%AB%AF%E5%8F%A3%E6%98%AF%E5%90%A6%E5%8F%AF%E7%94%A8/最近搭建本地Exchange服务器，发送到外部的邮件都失败。其实原因就是公网IP端口没开，被运营商或服务商禁掉 … 继续阅读 “检查IP地址25号端口是否可用”