@dimlau @makito @mashiro 用本身 IP 干净（不在黑名单）的机器，按它提示的内容配置，基本上问题不大，个别会进垃圾箱的我配了 SMTP relay 用第三方服务发
Why is this step necessary? hello.2heng.xin might not be the server where you are registered, so we need to redirect you to your home server first. Don't have an account? You can sign up here
hello.2heng.xin
