Hardware and software requirements

Kaspersky Security 8 for Linux Mail Server has the following hardware and software requirements:

Minimum hardware requirements:
- Intel® Xeon® 3040 or Intel Core™ 2 Duo 1.86 GHz or faster processor.
- 2 GB RAM;
- at least 4 GB available for swap;
- 8 GB available on the hard drive to install the application and store temporary files and log files.
Software requirements:
- One of the following 64-bit operating systems:
  - CentOS 6.9.
  - CentOS 6.9.
  - Red Hat Enterprise Linux 7.4.
  - Ubuntu Server 14.04.5 LTS.
  - Ubuntu Server 16.04.4 LTS.
  - Debian GNU / Linux 9.3.
  - FreeBSD™ 11.1.
  - Astra Linux SE 1.5. Only if capability-based access restriction and closed software environment development mechanisms are disabled.
  - Astra Linux SE 1.6. Only if capability-based access restriction and closed software environment development mechanisms are disabled.
  - Alt Linux 7.0.5.
  - Rocky Linux 8.7.
  The application does not support Alt Linux 8, 9, 10.
- Availability of the following packages of 32-bit libraries on 64-bit operating systems:
  - ia32-libs for Debian and Ubuntu;
  - libgcc.i686, glibc.i686 for Red Hat Enterprise Linux and CentOS;
  - libgcc-32bit, glibc-32bit for SUSE Linux Enterprise Server;
  - lib32 for FreeBSD 64bit;
  - compat9x for FreeBSD 10;
  - glibc.i686, libxcrypt.i686 for Rocky Linux 8.7.
- Kaspersky Security 8 for Linux Mail Server requires the Perl 5 programming language of version 5.8.5 or later.
- Availability of the following modules for CentOS 7.4 and Red Hat Enterprise Linux 7.4:
  - perl-Data-Dumper
  - perl-Digest-MD5

Kaspersky Security 8 for Linux Mail Server supports integration with the following mail servers:

Exim 4.86 to 4.92.
Integration with versions 4.93 to 4.96 requires an upgrade package. You can obtain it by contacting Technical Support.
Postfix-2.6 or later.
Integration using Milter requires an upgrade package. You can obtain it by contacting Technical Support.

Other integration types work without additional configuration.
Sendmail-8.14 or later.
Qmail-1.03 or later.

Mail server applications must be installed from the official repository of a supported operating system.

Kaspersky Security 8 for Linux Mail Server does not support XFS file systems larger than 2 TB with 64-bit index descriptors.

The following table list the versions of mail servers supported by operating systems.

Versions of mail servers supported by operating systems

Operating system	Postfix version	Exim version	Sendmail version	Qmail version
CentOS 7.4 (64)	2.10.1-6.el7	4.90.1-2.el7	8.14.7-5.el7	not supported
CentOS 6.9 (64)	2.6.6-8.el6	4.90.1-3.el6	8.14.49.el6_8	not supported
Red Hat Enterprise Linux 7.4 (64)	2.10.1-6.el7	4.90.1-2.el7	8.14.7-5.el7	not supported
SUSE Linux Enterprise Server 12 SP3 (64)	3.2.0-1.28	not supported	not supported	not supported
Ubuntu 14.04 (64)	2.11.0-1	4.82-3ubuntu2	8.14.44.1ubuntu1	not supported
Ubuntu 16.04 (64)	3.1.0-3ubuntu0.3	4.86.2-2ubuntu2	8.15.2-3	not supported
Debian 9.3 (64)	3.1.8-0+deb9u1	4.89-2+deb9u3	8.15.2-8	not supported
FreeBSD 11.1 (64)	3.2.5-1	4.90.1	8.15.2_6	netqmail-1.03
Rocky Linux 8.7	3.5.8-4.el8	4.96-5.el8	not supported	not supported

To run the web interface of Kaspersky Security 8 for Linux Mail Server, one of the following browsers must be installed on the computer:

Mozilla™ Firefox™ 59 or later.
Microsoft Internet Explorer® 11 or later.
Google Chrome™ version 65 or later.

To enable the operation of the web interface of Kaspersky Security 8 for Linux Mail Server, an Apache 2.4 web server must be installed on the computer hosting the web interface.

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