为什么80%的码农都做不了架构师?>>> [root @localhost ~]# /etc/rc.d/init.d/postfix start Starting postfix: [FAILED] [root @localhost ~]# /etc/rc.d/init.d/postfix stop Shutting down postfix: [ OK ] [root @localhost ~]# /etc/rc.d/init.d/postfix start Starting postfix: [ OK ] 转载于:https://my.oschina.net/neo600/blog/99571