DMARC (Domain-based Message Authentication, Reporting & Conformance) is a crucial protocol designed to protect your email domain from spoofing. It ensures legitimate emails are authenticated and provides monitoring and policy enforcement to keep your brand safe.
Common DMARC Challenges and eMailSense Solutions
1. Understanding Reported IPs: Legitimate or Not?
Dilemma: Distinguishing between legitimate and malicious IP addresses from DMARC reports can be challenging.
eMailSense Solution:
- Regular Monitoring: We collect and analyse DMARC reports, cross-checking sender IPs against abuse data and verifying authorization via SPF/DKIM.
- Sender IP Monitoring: You get a graded list of reported sender IPs based on multiple risk factors.
2. Policy Enforcement: Balancing Protection and Accessibility
Dilemma: A strict policy can block legitimate mail (e.g., forwards), while a lax policy offers limited protection.
eMailSense Solution:
- Start with a Relaxed Policy: Begin with “none” to gather data without delivery impact.
- Gradual Transition: Move to “quarantine,” then “reject” as legitimate sources are verified.
- Implement ARC: Preserve authentication across forwards with ARC.
Actionable Steps for eMailSense Users
- Set up DMARC Monitoring in “none”.
- Review trends (SPF/DKIM failures, volume spikes) regularly.
- Enforce stricter policies as legitimate sources are validated.
DMARC is essential for protecting your email domain. eMailSense simplifies the journey from monitoring to enforcement while balancing security with deliverability.