配置主机名称
oot@localhost ~]# vim /etc/hostname
mail.linuxprobe.com
oot@localhost ~]# hostname
mail.linuxprobe.com
[root@localhost ~]# iptables -F
[root@localhost ~]# service iptables save
iptables: Saving firewall rules to /etc/sysconfig/iptables:[ OK ]
安装DNS服务
[root@localhost ~]# yum install bind-chroot
[root@localhost ~]# vim /etc/named.rfc1912.zones
zone "linuxprobe.com" IN {
type master;
file "linuxprobe.com.zone";
allow-update { none; };
}
[root@localhost ~]# cd /var/named
[root@localhost named]# ls
chroot dynamic named.empty named.loopback
data named.ca named.localhost slaves
[root@localhost named]# cp -a named.localhost linuxprobe.com.zone
[root@localhost named]# vim linuxprobe.com.zone
$TTL 1D
@ IN SOA @ linuxprobe.com. root.linuxprobe.com. (
0 ; serial
1D ; refresh
1H ; retry
1W ; expire
3H ) ; minimum
NS ns.linuxprobe.com.
ns IN A 192.168.10.10
@ IN MX 10 mail.linuxprobe.com.
mail IN A 192.168.10.10
[root@localhost named]# systemctl restart named
~[root@localhost named]# systemctl enable named
ln -s '/usr/lib/systemd/system/named.service' '/etc/systemd/system/multi-user.target.wants/named.service'
[root@localhost named]# vim /etc/postfix/main.cf
75 myhostname = mail.linuxprobe.com
83 mydomain = linuxprobe.com
98 myorigin = $mydomain
115 inet_interfaces = all
163 mydestination = $myhostname, $mydomain
[root@localhost named]# systemctl restart postfix
[root@localhost named]# systemctl enable postfix
[root@localhost named]# useradd xiaoguo
[root@localhost named]# su - xiaoguo
[xiaoguo@mail ~]$ exit
logout
t@localhost named]# passwd xiaoguo
[root@localhost named]# yum install dovecot
[root@localhost named]# vim /etc/dovecot/dovecot.conf
24 protocols = imap pop3 lmtp
25 disable_plaintext_auth=no
48 login_trusted_networks = 192.168.10.0/24
[root@localhost named]# vim /etc/dovecot/conf.d/10-mail.conf
25 mail_location = mbox:~/mail:INBOX=/var/mail/%u
[root@localhost named]# su - xiaoguo
Last login: Tue Aug 13 22:14:52 CST 2019 on pts/0
[xiaoguo@mail ~]$ mkdir -p mail/.iamp/INBOX
[xiaoguo@mail ~]$ exit
logout
[root@localhost named]# systemctl restart dovecot
[root@localhost named]# systemctl enable dovecot
ln -s '/usr/lib/systemd/system/dovecot.service' '/etc/systemd/system/multi-user.target.wants/dovecot.service'
[root@localhost named]# iptables -F