Setting up Postfix on CentOS7

The following guide is the step by step instructions I wrote out. These instructions will allow you to install Postfix on CentOS7.

Pre Reqs

yum update

yum install nano

yum install wget

 

Install Webmin

nano /etc/yum.repos.d/webmin.repo

 

** Add the following **

 

[Webmin]

name=Webmin Distribution Neutral

#baseurl=http://download.webmin.com/download/yum

mirrorlist=http://download.webmin.com/download/yum/mirrorlist

enabled=1

 

**

 

wget http://www.webmin.com/jcameron-key.asc

rpm –import jcameron-key.asc

 

yum install webmin

 

Turn Off SELINUX

 

nano /etc/selinux/config

 

** Replace with **

 

# This file controls the state of SELinux on the system.

# SELINUX= can take one of these three values:

#     enforcing – SELinux security policy is enforced.

#     permissive – SELinux prints warnings instead of enforcing.

#     disabled – No SELinux policy is loaded.

SELINUX=disabled

# SELINUXTYPE= can take one of three two values:

#     targeted – Targeted processes are protected,

#     minimum – Modification of targeted policy. Only selected processes are protected.

#     mls – Multi Level Security protection.

SELINUXTYPE=targeted

 

**

 

reboot

 

Open Firewall

 

firewall-cmd –permanent –zone=public –add-service=http

firewall-cmd –permanent –zone=public –add-service=https

firewall-cmd –permanent –zone=public –add-service=smtp

firewall-cmd –permanent –zone=public –add-port=10000/tcp

firewall-cmd –permanent –zone=public –add-port=25/tcp

firewall-cmd –reload

 

Install HTTPD

 

yum install httpd

chkconfig httpd on

service start httpd

Leave a Reply

Your email address will not be published. Required fields are marked *