Analyze_email_headers_for_IPs_and_spoofing__3

For the n8n platform, this workflow automates the analysis of email headers to detect IP addresses and assess potential spoofing threats. It efficiently extracts IPs from received headers, evaluates their reputation using the IP Quality Score API, and checks for recent spam activity. Additionally, it verifies email authentication through SPF, DKIM, and DMARC checks, providing a comprehensive report on email security. This streamlined process enhances cybersecurity measures, helping to prevent fraudulent activities and ensuring safer email communications.

7/8/2025
35 nodes
Complex
gchvocimoxoevnzpqpjkatvlsxxtre8uwebhookcomplexsticky noterespondtowebhookitemlistsadvancedintegrationapilogicroutingconditional
Categories:
Complex WorkflowWebhook Triggered
Integrations:
Sticky NoteRespondToWebhookItemLists

Target Audience

This workflow is ideal for:
- Email Administrators: Those managing email systems who need to ensure the authenticity of incoming emails and protect against phishing and spoofing attacks.
- Security Analysts: Professionals focused on cybersecurity who require detailed insights into the reputation of IP addresses associated with email communications.
- Developers: Individuals looking to integrate email header analysis into applications or services to enhance security features.
- Businesses: Organizations that rely on email for communication and want to safeguard their reputation by filtering fraudulent emails.

Problem Solved

This workflow addresses the critical issue of email spoofing and phishing attacks by analyzing email headers. It extracts IP addresses from headers and assesses their reputation using external APIs, thus helping to identify potentially harmful emails. Additionally, it evaluates the authentication results (SPF, DKIM, DMARC) to ensure that emails are legitimate and meet security standards, thereby enhancing overall email security.

Workflow Steps

  • Receive Headers: The workflow begins by receiving email headers via a webhook.
    2. Extract Email Header: The headers are extracted from the incoming request for further analysis.
    3. Explode Email Header: The header string is split into individual components for detailed examination.
    4. Check for Received Headers: It checks if the email contains received headers to determine the next steps.
    5. Extract IPs: If received headers are present, the workflow extracts IP addresses using regex patterns.
    6. Analyze IPs: The extracted IPs are sent to the IP Quality Score API for fraud scoring and reputation assessment.
    7. Geolocation Data: The IP-API provides geolocation data for the analyzed IPs.
    8. Collect Data: Relevant information such as fraud scores, recent abuse, and ISP details are collected for each IP.
    9. Authentication Results: The workflow checks for authentication-results headers to evaluate SPF, DKIM, and DMARC status.
    10. Aggregate Results: The data from both paths (IP analysis and authentication results) is merged to create a comprehensive report.
    11. Respond to Webhook: Finally, the results are sent back to the webhook, providing a detailed analysis of email security and IP reputation.

    • Customization Guide

    To customize this workflow:
    - API Keys: Replace the placeholder API keys in the IP Quality Score and IP-API nodes with your actual keys to ensure functionality.
    - Adjust Conditions: Modify the conditions in the if nodes to tailor the workflow to specific email header formats or additional criteria that may be relevant to your organization.
    - Add More Nodes: Integrate additional nodes for further analysis or logging, such as saving results to a database or sending notifications based on specific findings.
    - Modify Output Format: Change the response format in the Respond to Webhook node to suit your needs, such as returning JSON instead of plain text for easier integration with other systems.