Installing EFA 5 (Email Filter Appliance)

 System Requirement:

On the Official Page, they mentioned minimum Installation requirements, like this.

• A dedicated system for eFa5
• CentOS Stream 9 (Server install preferred)
• 2 CPU’s
• 100GB of hard-drive space (SSD highly preferred)
• 8GB memory (dedicated)

Step 1: (Preparation of Centos OS 9 System)

1. Assign System Hostname

a.       hostnamectl set-hostname sfa

2. Assign the FQDN (Fully Qualified Domain Name)

a.       nano /etc/hosts

b.       127.0.0.1        localhost.localdomain    localhost

c.       192.168.18.3   sfa.xyz.com   sfa

3. Disable Iptables

a. systemctl stop firewalld.services

b. systemctl disable firewalld.services

4. Change SELinux Configuration

a.       nano /etc/selinux/config

        From Enforcing to Permissive.

5.Reboot The system

a. shutdown -r now

6. Check SE Status

 a. sestatus

Which should be like this:

Launch EFA Installation:

curl -sSL https://install.efa-project.org | bash