FortiGate
FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.
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Article Id 191379
Article
DescriptionPass fragmented email messages.
Components
  • All FortiGate running FortiOS 2.8 or 3.0.
Steps or Commands

Note: There is the potential that a virus in a fragmented email will not be detected by some email virus scanners. For most secure operation, disable email fragmentation in your email client. FortiGate Antivirus Firewalls block fragmented email by default. Using the following procedure, you can change this behavior. If you choose not to block fragmented email, users in your organization should be running host virus scanning software such as FortiClient Host Security.

To pass fragmented email (IMAP, POP3, and SMTP)

  1. Go to Firewall> Protection Profile.
  2. Select a protection profile or select Create New.
  3. Select the blue arrow to expand Antivirus.
  4. Enable Pass Fragmented Emails for required protocols.
  5. Select OK.

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