1.将/etc/postfix/main.cf编辑
myhostname和mydomain等
2.即可测试发送邮件
3.安装DNS功能,其中13和21行改成any
yum install bind bind-chroot
vim /etc/named.conf
11
12 options {
13 listen-on port 53 { any; };
14 listen-on-v6 port 53 { ::1; };
15 directory "/var/named";
16 dump-file "/var/named/data/cache_dump.db";
17 statistics-file "/var/named/data/named_stats.txt";
18 memstatistics-file "/var/named/data/named_mem_stats.txt";
19 recursing-file "/var/named/data/named.recursing";
20 secroots-file "/var/named/data/named.secroots";
21 allow-query { any; };
4.编辑配置文件,新建两个域名
vim /etc/named.rfc1912.zones
43 zone "abc.com" IN {
44 type master;
45 file "abc.com.zone";
46 };
47 zone "test.com" IN {
48 type master;
49 file "test.com.zone";
50 };
5.编辑文件来写明主机地址和邮件MX的地址
vim /var/named/abc.com.zone
1 $TTL 1D
2 @ IN SOA @ rname.invalid. (
3 0 ; serial
4 1D ; refresh
5 1H ; retry
6 1W ; expire
7 3H ) ; minimum
8 NS @
9 A 192.168.100.124
10 MX 5 mail
11 mail A 192.168.100.124
6.重启服务即可。