DMARC, which stands for Domain-based Message Authentication, Reporting, and Conformance, is an email authentication protocol designed to help organizations protect their email domains from phishing and other email-based attacks. DMARC provides a way for email senders to authenticate their emails and for email receivers to check that the emails they receive are legitimate.
- IT/security agencies
- Marketing agencies
DMARC Key Features
DMARC (Domain-based Message Authentication, Reporting, and Conformance) has several key features that contribute to its effectiveness in enhancing email security and preventing phishing attacks. Here are the key features of DMARC:
# Email Authentication
- SPF (Sender Policy Framework): DMARC leverages SPF to enable senders to define which IP addresses are authorized to send emails on behalf of their domain.
- DKIM (DomainKeys Identified Mail): DMARC works in conjunction with DKIM, allowing senders to sign their emails with a digital signature, ensuring that the content hasn’t been tampered with during transit.
# Policy Specification
- DMARC allows domain owners to publish a policy in DNS that indicates how email receivers should handle messages that fail authentication checks.
- “none”: No specific action is taken; DMARC is in monitoring mode.
- “quarantine”: Suspicious messages are placed in the recipient’s spam or quarantine folder.
- “reject”: Messages that fail authentication are rejected outright.
# Monitoring Mode
- Organizations can deploy DMARC in “none” mode initially, which allows them to monitor email authentication results without taking any immediate enforcement actions.
# Reporting Mechanism:
- DMARC generates two types of reports: aggregate (RUA) and forensic (RUF).
- Aggregate (RUA) Reports: Provide an overview of email authentication results, including the percentage of emails that passed or failed authentication.
- Forensic (RUF) Reports: Offer detailed information about individual failed authentication attempts, aiding in the investigation of suspicious activities.
# XML Report Format
- DMARC reports are typically formatted in XML, making them machine-readable. This facilitates easy processing and analysis of the data by DMARC reporting tools.
# Gradual Deployment
- Organizations can gradually deploy DMARC by starting in monitoring mode and analyzing the reports to ensure legitimate emails are not adversely affected before moving to stricter enforcement policies.
# Visibility and Insights
- DMARC provides domain owners with visibility into the authentication status of their emails, allowing them to identify and address any issues related to email authentication.
# Enhanced Deliverability
- By preventing email spoofing and phishing attacks, DMARC enhances the deliverability of legitimate emails, reducing the likelihood of them being marked as spam.
# Security Policies Enforcement
- DMARC enables organizations to enforce email security policies by instructing email receivers on how to handle unauthenticated or suspicious messages.
# Industry Standard
- DMARC has become an industry-standard email authentication protocol and is widely adopted by organizations to protect their domains from unauthorized use.
Implementing DMARC with proper configuration and ongoing monitoring can significantly strengthen email security, protect against phishing attacks, and ensure the authenticity of emails sent on behalf of a domain.
DMARC Key Appsumo Deal
- Lifetime access to DMARC Report
- All future Standard Plan updates
- If Plan name changes, deal will be mapped to the new Plan name with all accompanying updates
- You must redeem your code(s) within 60 days of purchase
- Stack up to 7 codes
- GDPR compliant
- Note: A business email domain is required to use DMARC Report
- Previous AppSumo customers of DMARC Reports first LTD are not eligible to purchase this deal
- Previous AppSumo customers will maintain their unlimited domains at code 1
- Previous AppSumo customers who purchased between June ’22 – Sept ’23 can buy more codes to increase their feature limits
- Aggregate reports
- Full aggregate and forensic reports
- API and widget embeds
- DMARC summary timeline reporting
- Groups and teams
- Subdomain and DKIM key auto-discovery
- MTA-STS hosting
- TLS-RPT reports
- 90-day retention
- Analyze email traffic
- Customized alerting and reporting
- Meet compliance standards
- API provisions, management, and reporting on domains
- Enforce DMARC policies
- Deploy DMARC report