RHEL6.0 simple (SMTP) Mail Server SETUP

RHEL6.0 simple (smtp) Mail Server build system environment: rhel6.0-x86_64dnsserver: 192.168.0.44mailserver: 192.168.0.5clienthost: 192.168.0.6smtpserver: 192.168.0.7 (Forward mail) Configure DNS server install dns software yuminstallbindbind-chroot

RHEL6.0 simple (smtp) Mail Server SETUP

System Environment: rhel6.0-x86_64
Dns server: 192.168.0.44
Mail server: 192.168.0.5
Client host: 192.168.0.6
Smtp server: 192.168.0.7 (Forward Mail)

Configure the DNS server on 192.168.0.44
Install the dns software yum install bind-chroot bind-utils bind-libs-y
Vim/etc/named. conf
# Listen-on port 53 {127.0.0.1 ;};
# Allow-query {localhost ;};

Zone "." IN {

Type hint;
File "named. ca ";
};

Zone "example.com" IN {

Type master;
File "example.com. zone ";
};

Configure forward domain name resolution File

Cp/var/named. localhost/var/named/example.com. zone-p

Chown named. namd/var/namd/example.com. zone

Vim/var/named/example.com. zone

$ TTL 1D

@ In soa @ root .(

0; serial

1D; refresh

1 H; retry

1 W; expire

3 H); minimum

NS @

A 192.168.0.44

Server5 A 192.168.0.5

Mail CNAME server5

Server6 A 192.168.0.6

Client CNAME server6

Server7 A 192.168.0.7

Smtp CNAME server7

Example.com. in mx 10 mail.example.com.

~

The MX record of the DNS of example.com must point to mail.example.com.

* *** Pay attention to the points behind the domain ****

Start DNS server

/Etc/init. d/named start

If any error is reported, the file has no syntax error. You can use dig for testing. If dig successfully resolves the ip address, dns configuration is successful.

Start setting up the email server

Mail serverIn192.168.0.5Host Configuration

Postfix ----> Email transmission agent software

Install the email Receiving Software dovecot and yum install dovecot postfix-y

Postconf-e inet_interfaces = all

Postconf-e mydestination = example.com

Postconf-e myorigin = example.com

Postconf-e relayhost = stmp.example.com

}