Fortigate Tutorial – Spam Filtering
Fortiguard uses the industry standard definition of spam as Unsolicite Bulk Email.
Here are the Spam Filtering Methods implemented by Fortinet to its appliances:
1. IP Address Check
2. URL Check
3. Email Checksum Check
4. Spam Submission
5. Block/White List
6. HELO DNS Lookup
7. Return E-mail DNS check
8. Banned Words
9. MIME check
10. DNS Blackhole List (DNSBL) and Open Relay Database List (ORDBL)
II. Fortiguar AntiSpam
Global Filters
1. FortiIP Sender IP Reputation Database (based on the reputation of the IP)