1)To assigne the hostname.
mail.example.com
2)To configure the DNS Mster server.
#rpm -ivh bind* --force
3)Open the configuretion file.
#vim /var/named/chroot/etc/named.conf
options {
directory "/var/named";
};
zone "example.com"{
type master;
file "example.for";
4)Copy the file
#cp /usr/share/doc/bind-9.3.3/sample/var/named/localdomain.zone /var/named/chroot/var/named/example.for
5)To open the file.
#vim /var/named/chroot/var/named/example.for
$TTL 86400
@ IN SOA mail.example.com. root (
42 ; serial (d. adams)
3H ; refresh
15M ; retry
1W ; expiry
1D ) ; minimum
IN NS mail.example.com.
IN MX 14 mail.eample.com.
mail IN A 10.0.0.1
6)To restart the service.
# service named restart
7)To check.
#dig mail.example.com
#dig -t MX example.com
################# To confgure sendmail.################
1)To install the package.
#rpm -ivh sendmail* m4* --force
2)To open the configuretion file.
#vim /etc/mail/sendmail.mc
LINE NO-116
dnl #DAEMON_OPTIONS(`Port=smtp,Addr=127.0.0.1, Name=MTA')dnl
To comment this line.
LINE NO-155
LOCAL_DOMAIN(`mail.example.com')dnl
3)To compile the sendmail.mc file.
# m4 /etc/mail/sendmail.mc > /etc/mail/sendmail.cf
4)To restart the service.
#service sendmail restart
5)To open the /etc/hosts file
#vim /etc/hosts
127.0.0.1 localhost.localdomain localhost mail.example.com mail
MAIL SERVER configuretion is over.
6)To create user.
#useradd u1
#useradd u2
#useradd u3
#passwd u1
#passwd u2
#passwd u3
*SQUERREL MAIL configuretion.
1)To install the packages.
squirrelmail*
dovecot*
curl*
php*
perl*
cyrus*
httpd*
2)Restart the following servicec.
# service httpd start
#service dovecot start
#service cyrus-imapd start
#service saslauthd start
To client side configuretion.
#vim /etc/resolve.conf
nameserver 10.0.0.1(webmail server ip)
