1. Go to Content Filtering > Advanced Content Filtering and click Add Rule...

Adding a new Advanced Content Filtering rule

2. In Rule Name area, provide a name for the new rule.
3. In Condition area, provide the condition that the email has to meet to match this rule. From the drop down select the email part (Headers, Subject, Body, Attachment Name or Attachment Content) and choose a condition (Start with, Ends with, Contains, Matches Exactly, Matches Regex). In the text box, key in the keyword or regular expression that the email should match.

For example: To match emails having swiss in subject - Select Subject and Contains and key in swiss in textbox.

4. Select whether to scan inbound, outbound and/or internal emails.

Option	Description
Scan Inbound SMTP Email	Select this option to scan incoming emails
Scan Outbound SMTP Email	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

1. From the Actions tab, configure what happens when this rule is triggered.

Actions Tab

2. To block an email that matches the rule conditions, select Block email and perform this action and select one of the following options:

Option	Description
Quarantine email	Stores blocked emails in the Quarantine Store. You can subsequently review (approve/delete) all the quarantined emails. For more information refer to Quarantine.
Delete email	Deletes blocked emails.
Move to folder on disk	Moves the email to a folder on disk. Key in the full folder path where to store blocked emails.

3. Select Send a sanitized copy of the original email to recipient(s) to choose whether to send a copy of the blocked email to the recipients but with the malicious content removed.

4. To send email notifications whenever an email gets blocked, check any of the following options:

Option	Description
Notify administrator	To notify the administrator whenever this engine blocks an email. For more information refer to Administrator email address. For more information refer to Administrator email address.
Notify local user	To notify the email local recipients about the blocked email.

5. To log the activity of this engine to a log file, check Log rule occurrence to this file and specify the path and file name to a custom location on the disk to store the log file. By default, log files are stored in:

<GFI MailEssentials installation path>\GFI\MailEssentials\EmailSecurity\Logs\<EngineName>.log

1. By default, the rule is applied to all email users. GFI MailEssentials, however, allows you to apply this rule to a custom list of email users specified in the Users / Folders tab.
2. Specify the users to apply this rule to.

Option	Description
Only this list	Apply this rule to a custom list of email users, groups or public folders.
All except this list	Apply this rule to all email users except for the users, groups or public folders specified in the list.

3. To add email users, user groups and/or public folders to the list, click Add.

Add users to a Content Filtering rule

4. In the User Lookups window, specify the name of the email user/user group or public folder that you wish to add to the list and click Check Names. Matching users, groups or public folders are listed underneath.

5. Select the check box next to the name(s) that you want to add to the list and click OK.

6. Repeat steps 3 to 5 to add all the required users to the list.
7. Click Apply.