Chapter 15 Security Profiles : Email filter : Configuring an Email Filters
  
Configuring an Email Filters
FortiGuard email filtering techniques us FortiGuard services to detect the presence of spam among your email. A FortiGuard subscription is required to use the FortiGuard email filters. To enable email filtering an email filter needs to be created and then the filter needs to be associated with a security policy.
The filter can be created as follows:
Go to Security Profiles > Email Filter.
Select the Create New icon (a plus symbol in a circle in the upper right hand corner).
Select the List icon (a page symbol in the upper right hand corner) and in the new window select Create New.
An existing filter can be edited as follows:
Go to Security Profiles > Email Filter.
Select the filter that you wish to edit from the dropdown menu in the upper right corner.
Select the List icon (a page symbol in the upper right hand corner) and select the filter that you wish to edit from the list.
Once you are in the proper Edit Email Filter Profile window, you can enter a name in the Name field if it’s a new filter.
The Comments field is for a discription or other information that will assist in understanding the function or purpose of the this particular filter.
Using the radio buttons for the Inspection Mode field, select either Proxy or Flow-based.
Before any of the other features or options of the filter appear the checkbox next to Enable Spam Detection and Filtering must be checked.