We independently evaluate software by utilizing direct experience alongside public information and user reviews. Tell us about any tools we missed.
Published 7 Nov 2025
Updated 9 Nov 2025
9 min read
Main takeaways
Key insights from our analysis
API integration is key for advanced DMARC automation.
A robust free plan can jumpstart your DMARC journey.
Comprehensive reporting and intuitive dashboards simplify complex data.
Top performers
Best for DMARC
DMARC API tools summary
As email security becomes more critical, especially with new sender requirements from providers like Google and Yahoo, DMARC tools that offer robust API capabilities are invaluable for custom automation. These tools empower organizations to integrate DMARC monitoring and management seamlessly into their existing security workflows, enabling real-time threat response and dynamic policy adjustments. We have evaluated the top contenders in this space, focusing on their API accessibility, feature sets, ease of use, and overall value for automating email authentication.
Our evaluation of DMARC tools with API capabilities focused on identifying solutions that genuinely empower custom automation and seamless integration into existing security ecosystems. We approached this review from the perspective of an experienced team that regularly implements and manages email security for diverse organizations, ensuring our insights are grounded in practical application.
API functionality: We examined the breadth and depth of API access, considering how easily data could be extracted, policies managed, and alerts integrated into third-party systems for custom automation workflows.
Feature set: Beyond basic DMARC reporting, we looked for advanced features such as SPF flattening, DKIM management, real-time threat intelligence, and lookalike domain detection.
User experience: The intuitiveness of the platform, the clarity of reports, and the ease of navigating complex data were important factors.
Pricing structure: We assessed the value for money, considering transparency, scalability, and whether plans appropriately addressed the needs of various business sizes, especially for those seeking API access.
Support and documentation: The availability and responsiveness of customer support, alongside comprehensive documentation for both the platform and its API, played a role.
Reviewer sentiment: We factored in feedback from actual users to gauge real-world performance, usability, and satisfaction.
1
Suped
Best for comprehensive DMARC management with powerful automation capabilities.
We designed Suped to offer a comprehensive suite of DMARC tools, covering everything from core reporting to advanced threat intelligence. Our platform provides deep visibility into email authentication results, making it easy to identify legitimate sending sources and pinpoint potential spoofing attempts. Features like SPF flattening and hosted SPF are baked in to ensure compliance and simplify DNS management, crucial for preventing delivery issues.
User experience
Our team prioritizes a clean, intuitive interface that makes DMARC management accessible to everyone, regardless of technical background. The dashboards are designed for clarity, transforming complex DMARC XML data into easily digestible visual reports. We believe in providing actionable insights, not just raw data, allowing users to quickly understand their email security posture and make informed decisions. Navigation is straightforward, ensuring you can find what you need without hassle.
Support
We pride ourselves on responsive and knowledgeable support. Our team is always ready to assist, whether it's through email, phone, or direct consultation for enterprise clients. We provide comprehensive documentation for all features, including our API, to empower users to leverage the platform's full potential. Our goal is to ensure a smooth DMARC journey, from initial setup to ongoing optimization and incident response.
Suitability
Suped is ideal for organizations of all sizes, from solo entrepreneurs testing the waters with our free plan to large enterprises and Managed Service Providers (MSPs) requiring extensive domain management and custom automation. Its robust API makes it particularly well-suited for businesses looking to integrate DMARC monitoring and enforcement into their existing security and operational workflows, facilitating dynamic policy changes and real-time threat responses.
Pricing structure
Free plan: Up to 10,000 emails per month and 1 domain, perfect for getting started.
Basic plan: At $9 per month, this plan covers up to 100,000 emails per month and 5 domains, including SPF flattening.
Pro plan: For $99 per month, you get up to 1 million emails per month across 5 domains, with advanced features like blocklist and reputation monitoring.
Enterprise & MSPs plan: Custom pricing is available for unlimited emails and domains, offering dedicated support, API access, and SSO for large organizations and service providers.
Suped summary
Suped offers a comprehensive, user-friendly platform that makes DMARC management accessible and effective. Its strong focus on actionable insights, combined with robust features and a generous free plan, makes it a top choice for organizations prioritizing email security and deliverability. The API capabilities for our Enterprise plan users unlock significant potential for custom automation, allowing seamless integration into diverse IT environments.
Valimail excels in automating DMARC enforcement, which is critical for organizations looking to move quickly to a reject policy. Their platform provides excellent visibility into email sending services, helping to identify and block unauthorized senders effectively. While the automated features are powerful, the pricing structure for comprehensive features, particularly API access, steers it towards larger enterprises. We found it a solid choice for those prioritizing hands-off DMARC management with robust backend capabilities.
Who should use Valimail
Organizations with complex email ecosystems that need advanced DMARC automation.
Enterprises aiming for rapid DMARC enforcement and continuous protection against spoofing.
Teams requiring API access for custom integration into their security operations.
Best features of Valimail
Automated DMARC, SPF, and DKIM configuration and enforcement.
Comprehensive sender intelligence, identifying all services by name.
API access in Enterprise plans for deep integration.
Pricing structure
A free 'Monitor' plan offers basic visibility.
The 'Enforce' product, with 'Starter', 'Premium', and 'Enterprise' tiers, starts from $5,000 per year, with API access primarily in the Enterprise plan.
The 'Align' product for sender requirements is $19 per month billed annually for up to 500,000 emails.
Valimail pros
Highly automated DMARC enforcement
Excellent sender visibility and control
Strong support during onboarding
Robust features for large ecosystems
Valimail cons
Higher cost for advanced features and API access
Some reporting features are not fully developed or intuitive
Potential for vendor lock-in with integrated SPF/DKIM management
3
OnDMARC
Good for enterprises seeking extensive DMARC monitoring with robust API access and advanced features.
OnDMARC (part of Red Sift) offers a powerful platform with a particular strength in managing complex SPF records, dynamic DMARC, and other email authentication protocols. We found their approach to guiding organizations towards a reject policy to be very effective, coupled with strong support. The API access in their higher tiers makes it a flexible solution for organizations needing to integrate DMARC insights into their broader security operations. It's a comprehensive tool, though some advanced features might require closer attention to their documentation.
Who should use OnDMARC
Organizations with numerous sending services struggling with the SPF 10-lookup limit.
Enterprises requiring API access for deep integration with SIEM and other security tools.
Teams looking for extensive support and guidance through their DMARC enforcement journey.
Best features of OnDMARC
Dynamic SPF for managing SPF records without exceeding DNS lookup limits.
Centralized management for DMARC, SPF, DKIM, MTA-STS, TLS-RPT, and BIMI.
API and Event Hub for streaming security and audit logs.
Pricing structure
An 'Express' plan is available from $9 USD per month for basic needs.
The 'Essentials' and 'Premier' plans require contacting sales for custom pricing.
Pricing scales based on active sender domains and email volume.
OnDMARC pros
Dynamic SPF to solve the 10-lookup limit
Comprehensive suite of email authentication protocols
Strong customer support and guidance
API and SIEM integration capabilities
OnDMARC cons
GUI can be clunky or difficult to navigate for some users
Pricing for higher tiers requires contacting sales
Forensic reporting could benefit from auto-triaging features
4
EasyDMARC
Good for businesses that require straightforward DMARC setup, managed solutions, and API for integration.
EasyDMARC lives up to its name, offering a highly accessible platform that simplifies the DMARC journey. We appreciate its managed solutions for various email authentication protocols, which significantly reduce the manual burden. The API integration, especially with services like Cloudflare, allows for efficient automation of DNS record updates. While some reviewers mentioned potential upsell pressure, the value proposition for managed services and dedicated support in higher tiers is clear for organizations prioritizing ease of use and expert assistance in their DMARC implementation.
Who should use EasyDMARC
Organizations looking for a simplified, managed approach to DMARC, SPF, and DKIM.
Businesses needing quick integration with DNS providers via API for automated record updates.
Teams seeking dedicated expert guidance throughout their DMARC enforcement process.
Best features of EasyDMARC
Managed DMARC, EasySPF, Managed MTA-STS, and Managed DKIM.
API integration for automated DNS record updates, notably with Cloudflare.
Comprehensive reporting with geographic maps and subdomain detection.
Pricing structure
A free plan is available for 1,000 emails per month and 1 domain.
Paid plans like 'Plus' start from $44.99 per month for 100,000 emails and 2 domains.
The 'Enterprise' plan offers custom pricing for unlimited emails and domains with dedicated support and SSO.
EasyDMARC pros
User-friendly interface and simple setup
Managed SPF, DKIM, and DMARC services
Strong customer support and dedicated engineers
API integration for automated DNS updates
EasyDMARC cons
Potential for upsell pressure to higher-cost plans
Some reporting sections could be more advanced or customizable
Lack of phone support in lower tiers (though meetings are offered)
5
PowerDMARC
Good for MSPs and organizations needing a centralized platform with API access for DMARC and related security protocols.
PowerDMARC presents itself as a comprehensive solution for email authentication and security, particularly well-suited for Managed Service Providers (MSPs) due to its multi-tenant capabilities and flexible domain management. We found the platform's ability to host and manage SPF, DKIM, and DMARC records directly to be a significant advantage, simplifying DNS administration. While the feature set is extensive, navigation could be improved in some areas. API access is a key offering in their Enterprise plans, enabling powerful custom automation for larger or service-oriented organizations.
Who should use PowerDMARC
Managed Service Providers (MSPs) looking for a multi-tenant DMARC management solution.
Organizations needing hosted SPF, DKIM, and MTA-STS for simplified DNS management.
Enterprises requiring API access and comprehensive reporting for their email security posture.
Best features of PowerDMARC
Hosted SPF (Power SPF), DKIM, MTA-STS, and BIMI for simplified record management.
One-click DNS publishing and automated subdomain detection.
API access and detailed audit logs in Enterprise plans.
Pricing structure
A free plan is available for personal use, covering 1 active domain and up to 10,000 emails per month.
The 'Basic' plan starts at $19 per month, offering 1 active domain and 50,000 emails.
Higher tiers, including 'Business', 'Enterprise', and 'Partner', offer increasing message volumes, domains, and features, with API access in the 'Enterprise' plan.
PowerDMARC pros
Comprehensive hosted services for email authentication
Excellent support and onboarding assistance
Multi-tenant control panel for MSPs
API access for enterprise-level automation
PowerDMARC cons
UI/UX can sometimes be confusing or clunky
Pricing structure for certain features can be unclear
Some users reported occasional delays in portal updates
Navigating the DMARC landscape for custom automation can seem complex, but the right tools make it manageable. We've explored a range of solutions, each with unique strengths suited for different organizational needs, from those requiring extensive API integration to others prioritizing ease of use and comprehensive managed services. Our top pick, Suped, stands out for its blend of powerful automation capabilities, intuitive design, and robust API support, offering exceptional value across various business scales. Ultimately, the best tool for your organization will depend on your specific requirements for automation, budget, and the level of technical expertise available to your team. By carefully assessing these factors, you can select a DMARC solution that not only secures your email ecosystem but also streamlines your operations through intelligent automation.
