Adding a Banner to Phishing Simulation Emails Avanan allows administrators to add a banner to phishing simulation emails that resembles the external sender warning banner.To add a banner to phishing simulation emails: Access the Avanan Administrator Portal. Go to Security Training > Policy. Click Global Settings. In the Configure Global Settings pop-up, scroll down to the Phishing simulation banners section. Select the Add banner to phishing simulation emails checkbox. Note: If the Add banner to phishing simulation emails checkbox is enabled, the system adds a banner to every phishing email sent to the user's inbox. Click Save.