Overview

This article lists the system prerequisites for GFI MailEssentials installation in various environments.

Before installing GFI MailEssentials, ensure that the system meets or exceeds the following description requirements.

 

Information

Hardware Requirements

The minimum hardware requirements for GFI MailEssentials are:

Component	Minimum	Recommended
Processor	2Ghz	2GHz with multiple cores
Available Memory (RAM)	1.2Gb	2Gb
Free Disk space	6Gb	10Gb

Note: Hardware requirements depend on a range of factors including email volume, and the number of Anti Virus engines enabled in GFI MailEssentials. The requirements specified above are required for GFI MailEssentials only.

 

Software Requirements

Install GFI MailEssentials on any 64-bit version of the operating systems listed below:

Operating System	Supported Editions and Notes
Microsoft Windows Server 2019	Standard, Essentials and DataCenter editions. For more information refer to
Microsoft Windows Server 2016	Standard, Essentials and DataCenter editions.
Microsoft Windows Server 2012	Standard, Essentials and DataCenter editions, including R2. For more information, refer to GFI MailEssentials Installation (Windows Server 2012) Prerequisites.
Windows Server 2008 R2	Standard or Enterprise. For more information, refer to GFI MailEssentials Installation (Windows Server 2008 or newer) Prerequisites.
Windows Small Business Server 2011	Standard & Premium.

 

Supported Mail Servers

Microsoft Exchange Server

GFI MailEssentials can be installed on the following versions of Microsoft Exchange Server:

• Microsoft Exchange Server 2019
• Microsoft Exchange Server 2016
• Microsoft Exchange Server 2013
• Microsoft Exchange Server 2010

For more information, refer to GFI MailEssential Installation (Microsoft Exchange Server) Prerequisites.

Other Mail Servers

GFI MailEssentials can also be installed in an environment with any SMTP compliant mail server. In this case, GFI MailEssentials should be installed on the gateway/perimeter server so spam is filtered before reaching the mail server.

For more information, refer to GFI MailEssentials Installation (Email Gateway or Relay/Perimeter Server).

 

Supported Internet Browsers

GFI MailEssentials can be used with the following Internet browsers:

Browser	Version
Microsoft Internet Explorer	8 or later
Google Chrome	22 or later
Mozilla Firefox	16 or later

 

Other Required Components

Component	Notes
Internet Information Services (IIS) World Wide Web service	Required
Internet Information Services (IIS) SMTP service	Except when installing on Microsoft Exchange 2010 or later server
Microsoft.NET Framework 4.5 or higher	Required
WCF HTTP Activation	Required when using SpamTag plugin for Microsoft Outlook
Windows Authentication role and Static Content services	Required when installing on Microsoft Windows Server 2008 R2 or later
Microsoft Exchange Server MAPI Client and Collaboration Data Objects 1.2.1	Required when installing on Microsoft Exchange 2010 or later.
Microsoft XML core services	Installed automatically by GFI MailEssentialswhen installing on a US/UK English operating system.
MSMQ - Microsoft Messaging Queuing Service	For more information refer to: Windows Server 2016 Windows Server 2012 Windows Server 2008 Windows Server 2003

 

Virtualization Environment

GFI MailEssentials can be installed in a virtual environment that meets the requirements of a non-virtual environment, as defined in the previous sections.

VMware and Microsoft Hyper-V are the only supported platforms for virtualization.