DMARC Report Received from Marketo: What You Need to Know

February 17, 2025  |  3 min read
Learn how to interpret DMARC reports from Marketo, identify authentication failures, and optimize SPF, DKIM, and DMARC settings to improve email security and deliverability.

Understanding DMARC Reports from Marketo

Marketo, a leading marketing automation platform from Adobe, allows businesses to send personalized marketing emails, nurture leads, and manage customer engagement. Ensuring that emails sent through Marketo are properly authenticated is crucial for maintaining your domain’s reputation and protecting your organization from email-based threats like phishing and spoofing. DMARC (Domain-based Message Authentication, Reporting & Conformance) reports from Marketo provide essential insights into how recipient servers handle your emails, based on SPF and DKIM checks. Monitoring these reports helps you safeguard your domain and improve email deliverability.

Key Components of Marketo DMARC Reports:

1. Source IP Address: Displays the IP address used by Marketo to send your emails. This helps ensure that emails originate from authorized Marketo IPs, protecting your domain from being used by unauthorized sources.

2. DKIM Alignment Results: Verifies whether the DKIM signature in the email aligns with the domain specified in the “From” header. Marketo supports DKIM signing, and proper alignment is critical for passing DMARC checks and maintaining secure email delivery.

3. SPF Alignment Results: Ensures that the sending IP address from Marketo is authorized by your domain’s SPF record to send emails. Proper SPF alignment ensures that only authorized IPs can send emails on behalf of your domain, helping to prevent email spoofing.

4. Disposition: Provides information on how the recipient server handled the email—whether it was delivered, quarantined, or rejected—based on your DMARC policy.

5. Message Count: Displays the number of emails sent from a specific IP that matched certain criteria, allowing you to monitor email activity and detect any suspicious or unauthorized usage.

Automating DMARC Parsing for Marketo

Manually parsing DMARC XML reports from Marketo can be time-consuming, especially if your organization sends a high volume of marketing emails. Automating this process with tools like Skysnag simplifies DMARC management, enabling faster identification of potential issues and helping you maintain email security and deliverability.

– Data Aggregation Across Providers: If you use Marketo alongside other email services, Skysnag can aggregate DMARC reports from all providers into one unified view. This enables efficient management of email authentication across multiple platforms, ensuring consistent DMARC compliance.

– Visualizing Key Metrics: Skysnag converts raw DMARC XML data from Marketo into easy-to-read visual dashboards, highlighting key metrics such as DKIM/SPF pass rates, unauthorized email attempts, and top sending IP addresses. This simplifies the process of identifying and addressing any issues related to email authentication.

– Automated Incident Response: Skysnag provides real-time alerts when Marketo emails fail DMARC checks, such as SPF or DKIM misalignment. These alerts allow you to take immediate action, such as updating DNS records or blocking suspicious IP addresses, ensuring your email authentication remains intact.

– Forensic Reporting: Some DMARC reports offer forensic data, including full headers from emails that failed authentication. For Marketo users, these detailed reports are invaluable for diagnosing why specific emails are failing DMARC checks and for improving email security practices.

Ensuring Proper DMARC Alignment for Marketo

To ensure that emails sent through Marketo pass DMARC checks and are successfully delivered, both DKIM and SPF must align with the domain used in the “From” header. Misalignment can cause emails to be quarantined or rejected by recipient servers, even if they pass other checks. Ensuring proper DKIM and SPF alignment protects your domain from spoofing attacks and improves your email campaign’s deliverability.

Skysnag’s Custom Solutions for Marketo:

– DKIM Key Management: Skysnag ensures that your DKIM keys used in Marketo emails are correctly aligned and up-to-date. If there are any misalignments or outdated DKIM keys, Skysnag will notify you, enabling you to quickly resolve the issue and maintain DMARC compliance.

– SPF Flattening: Using multiple email platforms in conjunction with Marketo can lead to complex SPF records that exceed DNS lookup limits. Skysnag automates SPF flattening, ensuring your SPF record stays within DNS lookup limits, avoiding email authentication failures.

– Policy Recommendations: Based on the patterns observed in your Marketo DMARC reports, Skysnag can recommend updates to your DMARC policy, such as transitioning from “none” to stricter policies like “quarantine” or “reject.” This helps enhance your domain’s protection against phishing and spoofing while ensuring legitimate emails are delivered successfully.

By automating DMARC report parsing and providing tailored solutions for Marketo users, tools like Skysnag help ensure your emails are properly authenticated, securely delivered, and protected from unauthorized use, improving both your domain’s reputation and your email marketing campaign performance.

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