Mail Server usng Postfix CentOS 6.4 - 5

Part 7

l  Chapter 16 Postfix Backup Mailserver

l  Chapter 17 Postfix Admin with MySQL

Chapter 16 Postfix Backup Mail server

1. DNS configuration

# vi /var/named/chul.zone

chul.com                 IN MX 10 ms1.chul.com

chul.com                 IN MX 20 ms2.chul.com

ms1                        IN  A           192.168.80.5

ms2                        IN  A           192.168.80.6

# service named restart

# host –a chul.com

2. In the backup server (ms2.chul.com)

# vi /etc/postfix/main.cf

§   myhostname = ms2.chul.com

§   mydomain = chul.com

§   myorigin = $mydomain

§   inet_interfaces = all

§   mydestination = ms2.chul.com

§   mynetworks = 127.0.0.1 192.168.80.0/24

§   relay_domains = hash:/etc/postfix/relaydomains

§   transport_m aps = hash:/etc/postfix/transport

§   relay_recipient_maps =

§  smtpd_recipient_restrictions=permit_sasl_authenficated,permit_mynetworks,reject_unauth_destinaton

2. In the backup server

# vi  /etc/postfix/relaydomains

chul.com                 OK

jeong.com    OK

linux.com     OK

# vi /etc/postfix/transport

chul.com                 smtp:ms1.chul.com:25

jeong.com    smtp:ms1.chul.com:25

linux.com     smtp:ms1.chul.com:25

# postmap /etc/postfix/relaydomains

# postmap /etc/postfix/transport; service postfix restart

3. Testing

a. Shutdown Primary mail server in ms1.chul.com

# service postfix stop

b. Mail sending and checking on Backup mail server

# mail –v –s “backup server” itc@chul.com, lee@jeong.com, park@linux.com

# postqueue –p

# postqueue -f

Chapter 17 Postfix Admin with MySQL

1.What is Postfix Admin?

§  supply to configure Postfix on Web based GUI.

§  Web Server and Database Server are also necessary to be installed

2.Download and install package

a. Create a database and user for PostfixAdmin

# mysql -u root -p

mysql> create database postfixadmin;

mysql> grant all privileges on postfixadmin.* to ‘postfixadmin’@'localhost' identified by 'password';
mysql> flush privileges;

b. Download package and move to Webserver directory

# yum-y install php-mysql php-imap

http://sourceforge.net/projects/postfixadmin/postfixadmin-2.3.6

# tar zxvf postfixadmin-2.3.6.tar.gz

# mv  postfixadmin-2.3.6 /var/www/html/postfixadmin

c. Postfixadmin configuration

# vi /var/www/html/postfixadmin/config.inc.php
$CONF['configured'] = true;
$CONF['default_language'] = ‘en';
$CONF['database_user'] = 'postfixadmin';
$CONF['database_password'] = 'password';
$CONF['database_name'] = 'postfixadmin';

# vi /etc/httpd/conf.d/postfixadmin.conf
<Directory /var/www/html/postfixadmin/>
   Order Deny,Allow
   Deny from all
   Allow from 127.0.0.1 192.168.80.0/24
</Directory>

#service httpd restart

3. PostfixAdmin Access

http://localhost/postfixadmin/setup.php

3. PostfixAdmin Access

http://localhost/postfixadmin/setup.php

1) Click ‘Lost Password’

2) Input setup password and generate password hash

3) Copy password hash and paste it to config.ini.php

31 $CONF[‘setup_password’] = ‘e84af77b4483dff5025ae85210b963a4:4a94735a0dd286b97cc38463b703ba77966effbb';

4) # service httpd restart

5) Create admin(e-mail) and password

6) Login as a admin in   http://localhost/postfixadmin/login.php

4. PostfixAdmin testing

1) Create virtual domain – jeong.com, linux.com

2) Create virtual users -  lee, park

3) Sending mail

Mail Server Setup using Postfix on CentOS 6.4
                            Summary

1. MTA Postfix

2. IMAP & POP3 using Dovecot

    Evolution, Thunderbird and Microsoft Outlook 2010

3. Postfix Aliases and Access Control

4. Mailman, SquirrelMail and Mailgraph

5. Postfix Authentication with SASL and TLS

6. Postfix Antispam and Antivirus with Spamassassin, Amavisd and ClamAV

7. Postfix backup and Admin with MySQL