====== Configuração inicial ======

==== Servidores ====
^Hostname^IP^
|ldap-zb-01.juntotelecom.com.br|177.75.176.55|
|mbox-zb-01.juntotelecom.com.br|177.75.176.56|
|mta-zb-01.juntotelecom.com.br|177.75.176.57|
|proxy-zb-01.juntotelecom.com.br|177.75.176.58|

==== Pré Requisitos ====
FIXME Executar em todos os servidores
<code bash>
yum install perl-core unzip nmap-ncat sysstat bind-utils wget
</code>

<code bash>
systemctl stop postfix
systemctl disable postfix
rpm -ev postfix
</code>

<code bash>
echo "$(hostname -I) $(hostname -f) $(hostname)" >> /etc/hosts
</code>

<code bash>
dig $(hostname -f) +short
</code>

<code bash>
dig -x $(hostname -I) +short
</code>