阿里云服务器发送邮件:Connection could not be established with host smtp.qq.com [Connection timed out #110] 一.总结 一句话总结: 端口号port 改成 465,加密方式 encryption 改用 ssl 二.Connection could not be established with host smtp.163.com 转自或参考:Connection could not be established
在VM中部署了一个rabbitMQ server ,在物理机上按照rabbitMQ官网上的 java的教程访问VM中的rabbitMQ报如下错误: Exception in thread "main" java.net.ConnectException: Connection timed out: connect at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method) at java.net.DualStac