Step 1: Creating Keyword Expressions
2. Click Add.
3. Provide the following information:
Keyword expression: dmarc=fail|header.from=<domain>
Click the image to enlarge.
Step 2: Changing DMARC Authentication action to Pass
- Go to Inbound Protection > Domain-based Authentication > Domain-based Message Authentication, Reporting and Conformance (DMARC).
- Click the DMARC policy.
- From the Managed Domain drop-down list, select the domain.
- Do the following changes:
- Enable DMARC
- Insert an X-header into email messages
- On the Intercept section, select Do not intercept messages action to all actions.
Click the image to enlarge.
- Click Save.
Step 3: Creating a policy to check DMARC
- Go to Inbound Protection > Content Filtering > Content Policy.
- Click Add.
- Provide the following information:
- Basic Information
- Status: Enable
- Name: DMARC Verification
- Recipients and Senders
- Recipients: Select the domain
- Senders: Anyone
- Exceptions: Specify the email address or domain you want to exclude
- Scanning Criteria
- Actions:
- Intercept: Quarantine
- Basic Information
- Click Submit.
For further assistance, contact Trend Micro Technical Support.