redhat7.2 使用ambari安装hadoop集群： Registering with the server... Registration with the server failed.
Registering with the server... Registration with the server failed. …
在redhat 5.3上搭建sendmail邮件服务器，本邮箱（..@test.com）发送接收，外邮箱也可以接收，但是不能发送邮件到外邮箱，哪位大神帮忙看一下
报告问题：sendmail[476]: s0E3fxNZ015884: to=<532494968@qq.com>, ctladdr=<xyl@tvuoo.com> (505/505), delay=1+03:09:40, xdelay=00:00:0…
