How to Set up iRedMail Server on a Linux ECS Server

An Overview of iRedMail

  • It is constituted of open source packages mostly.
  • It incorporates a secure transport layer as a default and supports HTTPS webmail as well as SMTP/IMAP.
  • It allows you to create virtually unlimited mailboxes using a simple-to-use panel.
  • You have plenty of option for mail storage including PostgreSQL, OpenLDAP as well as MySQL
  • Postfix SMTP server
  • Dovecot IMAP
  • Apache
  • Nginx
  • iRedAPD Postfix policy server
  • OpenLDAP, ldapd
  • MySQL/MariaDB, PostgreSQL
  • Amavised-new
  • SpamAssassin
  • ClamAV
  • Roundcube webmail
  • SOGo Groupware
  • Fail2ban
  • Awstats

Requirements for Installation

sudo apt update
sudo apt upgrade

The Installation Process

FQDN Setup

hostname -f
sudo nano /etc/hostname
sudo hostnamectl set-hostname
sudo nano /etc/hosts localhost
hostname -f

MX Record

Record Type    Name      ValueMX             @
Record Type    Name     ValueA              mail     Server-IP

SELinux Configuration

sudo nano /etc/selinux/config

iRedMail Download

tar xjf iRedMail-0.9.8.tar.bz2
sudo rm -r iRedMail-0.9.8.tar.bz2

iRedMail Installation

cd iRedMail-0.9.8

Steps to Follow

sudo ufw enable
sudo ufw reload
systemctl reboot
sudo nano /root/iRedMail-0.9.8/

Advantages of Using iRedMail

  • There are no setup costs, save for the ECS costs, for a fully fledged and featured mail server, that is, unless you want the enterprise edition.
  • iRedMail is compatible most Linux distributions making it very accessible. You can deploy it in Ubuntu, Red Hat, CentOS, Debian, Free BSD as well as Open BSD.
  • It comes pre-packaged with calendar (CalDAV) and contact (CardDAV) services out of the box.
  • It is both easy to deploy, unsophisticated and does not need specialized maintenance.
  • You can create virtually unlimited mail accounts on your server.
  • You can choose your backend from up to four different options (OpenLDAP, MySQL, MariaDB, and PostgreSQL).
  • Integrated features for mail restrictions
  • Integrates a feature for the sender and receiver throttling
  • Integrates security features such as anti-spam ware and anti-malware.
  • Comes pre-packaged with Webmail’s mail management tools such as AJAX, vacations, filters and address books.
  • You can easily port or save a copy of your deployed instance in a reproducible server setup.
  • Having your own mail server is very advantageous for privacy since all data is within your control.
  • iRedMail uses open source components that are both free to use and updated regularly. The vendors run routine fixes and upgrades and are independent of the iRedMail project.
  • Finally, it is compatible with both virtualized environments such as KVM, HV, VMware or non-virtualized environments and for both 32-bit and 64-bit distributions.


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