Hi all, I have a Fortimail 100 but recently user report they receive much more spam in their mail box than before. When I click in Mail statistics, only 1/5 of incoming is detected as spam. Most are classified as " Not Spam" . I have enabled FortiGaurd-Antispam Scan, DNSBL, SURBL, Bayesian Scan, Heuristic scan, Banned word scan, Image spam scan in the Profile for the domain. I check the log and copy some IP in the log classified as " Not Spam" , then enter in the Query Fortiguard under anti-spam and it can return the result as spam. I have checked the Fortiguard-Antispam service is enabled. The firmware using is FortiMail-100 3.00,build307,080620. Can anyone suggest how to find out what' s the problem? Thanks for any reply.