system requirements

PROBLEM

What are the system requirements for installing atmail products onto my own server?

ENVIRONMENT

• atmail suite - webmail
• atmail suite - API server
• atmail suite - DAV server
• atmail mail server

CAUSE

Installation requirements.

RESOLUTION

Minimum system hardware requirements

• atmail suite - webmail
  • CPU: 2 core
  • RAM: 1 GB
  • SSD: 20 GB
• atmail suite - API server
  • CPU: 2 core
  • RAM: 2 GB
  • SSD: 40 GB
• atmail suite - DAV server
  • CPU: 2 core
  • RAM: 2 GB
  • SSD: 40 GB
• atmail mail server
  • CPU: 2 core
  • RAM: 4 GB
  • SSD: 40 GB (excluding mail storage)

Minimum system software requirements

• Operating System
• CentOS 7.x only

• Postfix

  If you are planning to use the atmail mail server, you will need to remove the Postifx MTA daemon, that is installed by default on CentOS 7.
  

  As you will notice, Postfix is started and listens on localhost on port 25. Proceed with Postfix MTA service removal by issuing the following commands.

  systemctl stop postfix
  systemctl disable postfix
  yum remove postfix -y
  

• MariaDB
  
  MariaDB must be installed and configured before installation of atmail suite or atmail mail server software.
  

  yum install mariadb mariadb-server -y -q

• OpenSSL
  
  OpenSSL must be installed and configured before installation of atmail suite or atmail mail server software.
  

  yum install openssl openssl-libs -y -q

• atmail suite - webmail
  
  • NGINX - Installed during atmail suite rpm installation.
  • atmail suite - API server
  • browsers
    
    • chrome (latest)
    • firefox (latest)
    • safari (latest)
    • microsoft edge (latest)
    • internet explorer 11
    • mobile (latest per device)
• atmail suite - API server
  
  • MariaDB
  • redis (recommended but optional. Although optional, warnings will be shown in the api server logs)
  • atmail DAV (optional)
  • supported IMAP backend
    
    • dovecot 2.2.19+
    • required extensions
      • IDLE
      • QRESYNC
      • CONDSTORE
      • CHILDREN
      • STARTTLS
      • THREAD=REFS
      • UIDPLUS
      • SORT
      • UID SORT
      • LIST-STATUS
      • SPECIAL-USE
      • MOVE
• atmail suite - DAV server
  
  • PHP 5.4 - Installed during atmail suite rpm installation.
  • MariaDB - MariaDB must be installed and configured before installation of atmail suite or atmail mail server software.
  • NGINX - Installed during atmail suite rpm installation.
• atmail mail server
  
  • PHP 5.4 - Installed during atmail suite rpm installation.
  • MariaDB - MariaDB must be installed and configured before installation of atmail suite or atmail mail server software.
  • NGINX - Installed during atmail suite rpm installation.