... 192. 168 .1.1 PING 192. 168 .1.1 (192. 168 .1.1) 56( 84) bytes of data 64 bytes from 192. 168 .1.1: icmp_seq=1 ttl =64 time=1.370 ms 64 bytes from 192. 168 .1.1: icmp_seq=2 ttl =64 time=0.179 ms [root@mailsvr]# dig ... 192. 168 .1.2/24 up [root@mailsvr]# vi /etc/resolv.conf search ipmac.lab nameserver 192. 168 .1.1 [root@mailsvr]# service iptables stop [root@mailsvr]# ping 192. 168 .1.1 PING 192. 168 .1.1 (192. 168 .1.1) ... [root@mailsvr]# rpm -qa | grep squirrelmail [root@mailsvr]# yum install squirrelmail [root@mailsvr]# rpm -qa | grep squirrelmail squirrelmail-1.4. 8-5 .el5.centos.10 Bước 16 [Trên máy chủ mailsvr]...