Product manual

Contents
1 Introduction 14
1.1 About this manual 14
1.2 Terms and conventions used in this manual 15
1.3 Licensing 15
2 About GFI MailEssentials 16
2.1 GFI MailEssentials components 16
2.1.1 GFI MailEssentials scan engine 16
2.1.2 GFI MailEssentials web interface 16
2.1.3 GFI MailEssentials Email Management console 16
2.1.4 GFI MailEssentials Switchboard 16
2.2 Inbound mail filtering 18
2.3 Outbound mail filtering 18
2.4 Email scanning and filtering engines 19
2.4.1 Malicious emails' scanning 19
2.4.2 Content filtering engines 19
2.4.3 Anti-spam filtering engines 19
2.4.4 Filters running at SMTP level 20
2.4.5 Other engines 20
2.5 Typical deployment scenarios 21
2.5.1 Installing directly on Microsoft® Exchange server 21
2.5.2 Installing on an email gateway or relay/perimeter server 21
3 Installation 24
3.1 System requirements 24
3.1.1 Hardware requirements 24
3.1.2 Processor 24
3.1.3 Available Memory (RAM) 24
3.1.4 Free Disk Space 24
3.1.5 Software requirements 25
3.1.6 Antivirus and backup software 26
3.1.7 Firewall port settings 27
3.2 Pre-installation actions 28
3.2.1 Installing on the Microsoft® Exchange server 28
3.2.2 Installing on an email gateway or relay/perimeter server 28
3.3 Installation procedure 32
3.3.1 Important notes 32
3.3.2 Running the installation wizard 33
3.3.3 Post-Installation Wizard 36
3.4 Upgrading a previous version 40
3.4.1 Upgrade Procedure 40
3.5 Post-Install actions 41
3.5.1 Add engines to the Windows DEP Exception List 42
3.5.2 Test your installation 43
4 Monitoring status 45