Minimum hardware configuration:

• Intel® Xeon 3040 or Core 2 Duo 1.86 GHz or higher;
• 2 GB of available RAM;
• minimum 4 GB swap partition;
• 4 GB of free disk space for installing the application and storing temporary and log files.

• Supported 32-bit operating systems:
  • Red Hat Enterprise Linux 6.6 Server
  • SUSE Linux Enterprise Server 11 SP3
  • CentOS-6.6.
  • Ubuntu Server 12.04.4 LTS.
  • Ubuntu Server 14.04 LTS
  • Debian GNU / Linux 7.7
  • Debian GNU / Linux 6.0.10
  • FreeBSD 8.3
  • FreeBSD 9.3
  • FreeBSD 10.1
• Supported 64-bit operating systems:
  • Red Hat Enterprise Linux 6.6, 6.7, 6.8 Server
  • Red Hat Enterprise Linux 7
  • SUSE Linux Enterprise Server 11 SP3
  • SUSE Linux Enterprise Server 12
  • CentOS-6.6
  • Ubuntu Server 12.04 LTS
  • Ubuntu Server 14.04 LTS
  • Debian GNU / Linux 6.0.10
  • Debian GNU / Linux 7.7
  • FreeBSD 8.3
  • FreeBSD 9.3
  • FreeBSD 10.1
• Supported 32-bit libraries for 64-bitoperating systems:
  • ia32-libs for Debian and Ubuntu
  • libgcc.i686, glibc.i686 for RHEL and CentOS
  • libgcc-32bit, glibc-32bit for SUSE
  • lib32 for FreeBSD 64bit
  • compat9x for FreeBSD 10

1. Run the command sysinstall;
2. Select Configure -> Distributions -> lib32.

• Supported mail servers:
  • exim-4.71 and later
  • postfix-2.5 and later
  • qmail-1.03
  • sendmail-8.14 and later
• Supported web browsers (for using the web interface):
  • Mozilla Firefox 34 or later
  • Microsoft Internet Explorer 11 or later
  • Google Chrome 39 or later
• Supported web servers (for using the web interface):
  • Apache 2.2, 2.4 with the following modules:
    • mod_ssl
    • mod_include
    • mod_dir
    • mod_expires
• Before installing the web interface, you must install the following Apache modules: mod_ssl, mod_include, mod_dir, and mod_expires (if they are not installed), and enable then using the command a2enmod (if they are not enabled):
  • a2enmod ssl
  • a2enmod include
  • a2enmod dir
  • a2enmod expires