Scanning SMTP traffic redirected from FortiGate
FortiMail and FortiGate support Web Cache Communication Protocol (WCCP) to redirect SMTP traffic from FortiGate to FortiMail. If the FortiGate unit is configured to redirect SMTP traffic to FortiMail for antispam scanning (for details, see the FortiGate documentation), on the FortiMail side, you must do corresponding configurations to accept the SMTP traffic from FortiGate.
To configure the WCCP communication with FortiGate
1. Go to System > Network > FortiGate.
2. Configure the following settings:
GUI item | Description |
Enabled | Enable WCCP communication with FortiGate. |
Tunnel ID | Enter the WCCP tunnel ID assigned by FortiGate. |
Local IP | Enter the IP address of the FortiMail interface that communicates with FortiGate. |
Remote IP | Enter the IP address of the FortiGate interface that communicate with FortiMail. |
Authentication | Enable if authentication is required on both sides. |
Password | Enter the authentication password. |