Fortinet Document Library

Version:

Version:


Table of Contents

Cookbook

Download PDF
Copy Link

Inspection mode differences for email filter

This section identifies the behavioral differences between Email Filter operating in flow and proxy inspection.

Feature comparison between Email Filter inspection modes

The following table indicates which Email Filters are supported by their designated inspection modes.

  SMTP POP3 IMAP MAPI
Proxy Yes Yes Yes Yes
Flow Yes Yes Yes No
Feature comparison between Email Filter inspection modes

The following tables indicate which Email Filters are supported by the specified inspection modes for local filtering and FortiGuard-assisted filtering.

Local Filtering Banned Word Check Black/ White List HELO/ EHLO DNS Check Return Address DNS Check DNSBL/ ORBL Check MIME Header Check

File Filter

Proxy Yes Yes Yes Yes Yes Yes

Yes

Flow Yes No No No No Yes

No

FortiGuard-Assisted Filtering Phishing URL Check Anti-Spam Black List Check Submit Spam to FortiGuard Spam Email Checksum Check

Spam URL Check

Proxy Yes Yes Yes Yes

Yes

Flow No No No No

No

Inspection mode differences for email filter

This section identifies the behavioral differences between Email Filter operating in flow and proxy inspection.

Feature comparison between Email Filter inspection modes

The following table indicates which Email Filters are supported by their designated inspection modes.

  SMTP POP3 IMAP MAPI
Proxy Yes Yes Yes Yes
Flow Yes Yes Yes No
Feature comparison between Email Filter inspection modes

The following tables indicate which Email Filters are supported by the specified inspection modes for local filtering and FortiGuard-assisted filtering.

Local Filtering Banned Word Check Black/ White List HELO/ EHLO DNS Check Return Address DNS Check DNSBL/ ORBL Check MIME Header Check

File Filter

Proxy Yes Yes Yes Yes Yes Yes

Yes

Flow Yes No No No No Yes

No

FortiGuard-Assisted Filtering Phishing URL Check Anti-Spam Black List Check Submit Spam to FortiGuard Spam Email Checksum Check

Spam URL Check

Proxy Yes Yes Yes Yes

Yes

Flow No No No No

No