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Powerful business anti-spam

This VBSpam-certified solution uses multiple anti-spam filters that combine SpamRazer technology, greylisting, IP reputation filtering, Bayesian filtering, and other advanced technologies to provide a spam capture rate of more than 99% and minimal false-positives, ensuring the safe delivery of important emails.

Multiple antivirus engine protection

This multi-scanning technique provides Zero Hour malware protection, and drastically reduces the time required to obtain the latest virus definitions against the latest threats. You gain maximum protection of your email environment via the x5 engines heuristic and polymorphic malware detection methods.

Enforce email content policy

Granular, user-based email content policy enforcement enables you to control content that enters and leaves your network via email. This function is based on real file type, dictionary keyword checks and regular expression checks, helping to protect your company from accidental or malicious data leaks while assisting with compliance efforts.

Established solution

Thousands of customers worldwide use GFI MailEssentials and it has won several awards.

Ultra high spam detection rate

GFI MailEssentials delivers one of the highest spam capture rates in the industry, over 99%.

Ultra low false positives

Incorporating multiple anti-spam modules and technologies, it dramatically reduces false positives.

Easy to use

Designed for ease-of-use, offering administrators an ultra-high spam capture rate with minimal configuration.

Multiple antivirus scanning engines

Reduce the average time to obtain virus signatures which combat the latest threats, take advantage of greater strength and virtually eliminate the chances of an infection.

Trojan and Executable Scanner

GFI MailEssentials’ unique scanner detects Trojans, worms and other malicious scripts within executables without the need for virus updates.

Exploit engine

The product’s Email Exploit Engine and HTML Sanitizer block email exploits and disable any malicious scripts.

Highly competitive price

Benefit from tried and tested out-of-the-box filtering at SMB-friendly prices.


The minimum hardware requirements for GFI MailEssentials are:

  • Processor: 2GHz with multiple cores
  • Memory (RAM): 2GB dedicated for GFI MailEssentials
  • Disk space: 10GB dedicated for GFI MailEssentials


  • Any version of Microsoft Windows Server (x86/x64) from 2008 onwards.
  • Microsoft IIS SMTP service or Microsoft Exchange Server 2007*/2010/2013/2016 (*SP1 or later for Exchange 2007)
  • Microsoft IIS World Wide Web service
  • Microsoft Messaging Queuing Service (MSMQ)
  • Microsoft .NET Framework 4/4.5
  • ASP.NET & Windows Authentication role services when installing on Windows Server 2008
  • Microsoft SQL Server/Microsoft SQL Server Express (free) is suggested for the Reporting engine database for installs with more than 100 mailboxes.


  • McAfee and VIPRE AVs have been discontinued.
  • Microsoft Exchange 2003 is no longer supported.
  • Microsoft Windows 2003 is no longer supported.

Knowledge base

Browse the GFI EndPointSecurity knowledge base.

Administrator guide

Learn how to use GFI MailEssentials

Upgrade guide

Learn to upgrade previous versions of GFI MailEssentials and GFI MailSecurity

Best practices: Strategies for boosting your practice’s information immunity

Physicians know how to treat human-borne viruses but are often unprepared to deal with the ones disseminated by computers. These threats, which carry legal, financial and public relations consequences, must be managed effectively to protect your practice and its patients.

Email security in small and medium-sized businesses: No organization can afford to operate without an email security strategy

The risk landscape is constantly changing with new threats surfacing every day. This white paper looks at email security in small and medium businesses, the solutions available and what features SMBs cannot do without.

GFI VIPRE for Exchange Upgrade guide

Learn to upgrade from VIPRE Email Security for Exchange to GFI MailEssentials

Using GFI MailEssentials with Lotus Domino

Learn how to install GFI MailEssentials on Lotus Domino

Email security: Why SMBs need an email security strategy

Whether you’re an organization with 50 employees or a global corporation with 50,000, spam and viruses can wreak havoc on your business. SMBs need to make sure they are armed with the best security solutions available – demanding enterprise-class protection paired with fast deployment, ease of management and flexible configuration options. And, all at a price they can afford.

Why one virus engine is not enough: Multiple virus engines are needed to reduce time lag between virus outbreak and virus protection

This white paper examines why having multiple antivirus scanners at mail server level substantially reduces the chance of virus infection and explores ways in which this can be achieved.

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