Product manual

GFI MailEssentials 8 Content Filtering | 157
8.1.5 Changing rule priority 162
8.1.1 Creating a Keyword Filtering rule
To create a Keyword filtering rule follow the steps listed below:
Step 1: Configuring basic rule setting
Step 2: Configuring terms to block
Step 3: Configuring the actions to take on detected emails
Step 4: Specifying the users to whom to apply this rule
Step 1: Configuring basic rule settings
1. Go to Content Filtering > Keyword Filtering and select Add Rule...
2. Specify a name for the rule in the Rule name text box.
3. Select whether to scan inbound, outbound and/or internal emails.
Option Description
Check Inbound emails Select this option to scan incoming emails
Check Outbound
emails
Select this option to scan outgoing emails
Check Internal emails Select this option to scan internal emails.
NOTE
This option is only available when GFI MailEssentials is installed on the Microsoft
®
Exchange server
4. To block emails encrypted using PGP technology, select Block PGP encrypted emails.
NOTE
PGP encryption is a public-key cryptosystem often used to encrypt emails.
Step 2: Configuring terms to block
1. Select the Body tab to specify the keywords in the email body to block.
2. Select Block emails if content is found matching these conditions (message
body/attachments) checkbox to enable scanning of body for keywords.