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.
The minimum hardware requirements for GFI MailEssentials are:
|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.
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.
|Windows Server 2008 R2||
Standard or Enterprise.
|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).
GFI MailEssentials can be used with the following Internet browsers:
|Microsoft Internet Explorer||8 or later|
|Google Chrome||22 or later|
|Mozilla Firefox||16 or later|
Other Required Components
|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:
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.