Additional detections

Email Security allows you to configure the following additional detections:

• Domain age
• Blank email detection
• Automated Clearing House (ACH) Open external link change from free email detection
• HTML attachment email detection

To configure additional detections:

1. Log in to Zero Trust Open external link .
2. Select Email Security.
3. Select Settings.
4. On the Settings page, go to Detection settings > Additional detections, and select Edit.

​​ Configure domain age

The domain age is the time since the domain has been registered.

To configure a domain age:

1. On the Edit additional detections page:
   • Select Malicious domain age: Controls the threshold for a malicious disposition. Maximum of 100 days.
   • Select Suspicious domain age: Controls the threshold for a suspicious disposition. Maximum of 100 days.
2. Select Save.

​​ Configure blank email detection

Blank email detection detects emails with blank bodies and assigns a default disposition. You can choose between Malicious and Suspicious as dispositions.

To enable blank email detection:

1. On the Edit additional detections page, enable Blank email detection.
2. Choose between Malicious and Suspicious.
3. Select Save.

​​ Configure ACH change from free email detection

Automated Clearing House (ACH) Open external link is a banking term related to direct deposits. ACH change from free email detection detects payroll inquiries or change requests from free email domains and assigns a default disposition. You can choose between Malicious and Suspicious as dispositions.

To enable ACH change from free email detection:

1. On the Edit additional detections page, enable ACH change from free email detection.
2. Choose between Malicious and Suspicious.
3. Select Save.

​​ Configure HTML attachment email detection

HTML attachment email detection detects HTM and HTML attachments in emails and assigns a default disposition.

To enable HTML attachment email detection:

1. On the Edit additional detections page, enable HTML attachment email detection.
2. Choose between Malicious and Suspicious.
3. Select Save.