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Free DMARC Weekly Digests by Postmark vs Sendmarc

Choose Postmark if you need a free, basic overview, choose Sendmarc for comprehensive DMARC management.
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Compare product functionality

Feature set

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Free DMARC Weekly Digests by Postmark provides a straightforward, no-cost service focused purely on DMARC reporting. We found it delivers weekly email digests, offering visibility into your top 10 mail sources, with up to 5 IP addresses per source. This means we get a snapshot, helping us identify major senders.
However, the service is quite basic, designed for fundamental DMARC monitoring rather than advanced analysis or active management. It serves as an alert system, informing us of DMARC compliance without offering tools to configure or adjust DNS records, nor does it provide a dedicated web dashboard for in-depth exploration or historical data beyond seven days. It’s a passive observer, letting us know what's happening, but not helping us fix it.
Sendmarc offers a much more comprehensive DMARC management platform, designed for active control over email security. We observed that it provides detailed aggregate and forensic reports, allowing us to see all mail sources and IPs, crucial for understanding our full email ecosystem. Its advanced plans include tools for DMARC, SPF, DKIM, and BIMI configuration.
Beyond basic reporting, Sendmarc offers features like SPF flattening, MTA-STS and TLS-RPT support, and blacklist (or blocklist) reporting, which are essential for robust email deliverability and security. Its API-first approach means greater flexibility for integration, and multi-tenancy support caters well to MSPs managing multiple clients, giving us a powerful toolkit for proactive domain protection.
How easy is each product to use

User experience

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Using Free DMARC Weekly Digests by Postmark is incredibly simple, primarily because its functionality is limited to email reports. We found the setup involves simply configuring your DMARC record to point to Postmark's RUA address, and then the weekly digests start arriving in your inbox. There's no complex dashboard to navigate or settings to tweak, which is a major plus for those who prefer a hands-off approach.
However, this simplicity also means a lack of interactive elements. Without a web dashboard, we can't easily filter, sort, or delve deeper into specific data points. The information is presented in a fixed format, meaning we rely entirely on the email's structure for insights. For quick, high-level awareness, it’s great, but for deep dives, we're left wanting more.
Sendmarc offers a more traditional and robust user experience with a dedicated web portal. We found the interface to be user-friendly, providing a single pane of glass overview of our domains and DMARC status. The guided implementation process, often supported by their team, helps ease any initial learning curve.
The platform allows us to drill down into specific reports, visualize data, and manage configurations, which is invaluable for active DMARC policy enforcement. While there might be a slight learning curve for new users, the comprehensive nature of the portal, with its various tools and insights, quickly justifies the investment in learning how to use it effectively. We appreciate the ability to easily monitor and take action from one central place.
Which product has the best support

Support

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For Free DMARC Weekly Digests by Postmark, support is typically delivered via email, aligning with its email-centric nature. We've found that Postmark's general support for their broader email services is often highly praised for its responsiveness and expertise. While dedicated DMARC-specific support for the free tier might not be as extensive as for paid products, general inquiries related to setting up the DMARC record or understanding the reports would likely fall under their standard support offerings.
Since this is a free service, we manage our expectations regarding immediate, in-depth support. Any recommendations provided are typically part of the automated weekly digest itself, rather than through direct, interactive support. For simple issues, it's adequate, but for complex DMARC challenges, we might need to rely on our own expertise or external resources.
Sendmarc consistently receives high marks for its exceptional customer support. Based on our experience and user feedback, their team is highly engaged, providing proactive assistance from implementation through ongoing management. They offer structured support, including weekly check-ins during setup, and are always available to answer questions in detail.
Their support extends beyond just troubleshooting, offering guidance on DMARC data analysis and configuration, helping us achieve full compliance. We've noted that their staff are knowledgeable not only about the product but also about the broader email security landscape, making them invaluable partners. For businesses seeking a collaborative approach to DMARC, Sendmarc's support is a significant advantage.
Who should use each product

Suitability

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Free DMARC Weekly Digests by Postmark is ideally suited for small businesses, individuals, or domains with low email volumes that need basic DMARC visibility without any cost. It's a great starting point for those just beginning their DMARC journey, allowing them to monitor email authentication without significant technical overhead or financial commitment.
For MSPs, enterprise, or even larger SMBs, its limited scope, lack of a web dashboard, user management, and advanced features make it less suitable. We see it as a good fit for single domain owners who simply want to be informed via email if something is amiss, but not for those needing active management or comprehensive security solutions.
Sendmarc is designed for organizations that require robust DMARC enforcement and a managed approach to email security, scaling from growing SMBs to large enterprises and government entities. Its comprehensive feature set, including advanced reporting, configuration tools, and managed services, makes it suitable for complex email environments and those with stringent security requirements.
MSPs will find Sendmarc particularly appealing due to its multi-tenant, co-branded platform, allowing them to efficiently manage DMARC for numerous clients. Its focus on proactive protection against spoofing and phishing, along with strong compliance features, positions it as an excellent choice for businesses prioritizing brand trust and email deliverability across multiple domains and subdomains.

How does Free DMARC Weekly Digests by Postmark compare with Sendmarc?

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DMARC report analysis
Source detection
Forward detection
Spoof detection
Notifications and alerts
Reporting
API
Multi-tenancy
SPF flattening
Hosted DMARC
BIMI
MTA-STS/TLS-RPT
Blocklists and reputation
AI copilot
DNS monitoring
Self hostable
Free trial/free tier

Drawbacks and what to watch out for

For Free DMARC Weekly Digests by Postmark, the main drawback is its inherent simplicity. While being free is a huge plus, the limited visibility (top 10 sources, 7-day history), lack of a web dashboard, and absence of active management tools mean it's primarily an informational service. We can see what's happening, but we can't act directly on the data within the tool, which can be frustrating when trying to resolve issues quickly. Reviews for Postmark's general service sometimes mention higher pricing for their paid offerings or limited analytics detail, which might translate to a desire for more depth in their DMARC reporting too, if a user were to upgrade.Sendmarc's drawbacks are fewer and generally relate to the complexity of a feature-rich platform. Some users mention a learning curve, which is understandable given the depth of functionality compared to a basic service. One review points to a perceived lack of automated reporting and notifications, suggesting that while the data is there, setting up custom alerts might require some effort. However, these are minor criticisms in the context of an otherwise highly-praised product.
We have pulled the average ratings from G2 for each product, and also included the most recent negative reviews for each product in full. Positive reviews tend to have less detail and have a higher chance of being fraudulent, so negative reviews are a better signal for your decision.
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Not the best
What do you like best about ActiveCampaign Postmark? It works. Their API is easy-to-use and we never experienced any downtime. What do you dislike about ActiveCampaign Postmark? The price is too high for what we get. Also their administration panel and Analytics graphs are not user friendly. Recommendations to others considering ActiveCampaign Postmark: Check Mandrill as alternative. What problems is ActiveCampaign Postmark solving and how is that benefiting you? We use Postmark as secondary provider to send emails. We send ~100M emails per week.
Verified User in Online Media
Mid-Market (51-1000 emp.)
Agile, dynamic and great feature set from Sendmarc
What do you like best about Sendmarc? Cost effective tooling to provide the basic security neccessities for organizations. Easy and quick implementation with intuitive reporting. Extremely easy to implement. What do you dislike about Sendmarc? Better communucation as a partner for effective implementation with customers. What problems is Sendmarc solving and how is that benefiting you? Primarily email impersanation.
Mohamed O.
Head of Managed Services (MSP) Mid-Market (51-1000 emp.)
A clean simple api
What do you like best about ActiveCampaign Postmark? Postmark has been simple and reliable in the 2+ years I've used them. Their API has a fast response time and their batch send calls has been helpful in maintaining a quick response time on our service. They've also been generous in giving us free credits from time to time. They provide webhooks for events you are interested in e.g. bounced emails, spam reports. Their documentation is extensive and comprehensive and also includes libraries for several languages (we use them with python and php). What do you dislike about ActiveCampaign Postmark? Some of the new features Postmark has added aren't as simple as their first product, especially the email templates. Their admin interface also is weird in that it only lets you look at 30 day periods for statistics (we track our own analytics so it's less of an issue for us). Recommendations to others considering ActiveCampaign Postmark: Postmark quickly and effectively help us getting transactional email up for our service. We've evaluated switching to Mailgun (since we get it for free) however right now postmark seems to have the simpler API. What problems is ActiveCampaign Postmark solving and how is that benefiting you? Postmark helped us quickly and effectively add an outside transactional email provider instead of sending SMTP emails. It's also helped ensure that our app stays quick when we were originally directly calling it from the application thread. We've had no problem with getting marked as spam or deliverability and their open tracking by email client has been helpful. We've sent 200,000+ emails with postmark so far.
John P.
Software Engineer II Financial Services Mid-Market (51-1000 emp.)
rebyC spreading the love about Sendmarc
What do you like best about Sendmarc? Sendmarc helps organizations protect their email domains from phishing and spoofing attacks. What do you dislike about Sendmarc? If your company are considering using Sendmarc or are experiencing challenges with the platform, it's advisable to check the latest reviews, forums, or customer feedback for up-to-date information on potential dislikes or issues. What problems is Sendmarc solving and how is that benefiting you? The benefits of using Sendmarc include a reduction in successful phishing attacks, enhanced brand trust, improved email deliverability, and better overall email security. By preventing unauthorized use of domains and increasing the visibility into email authentication, organizations can mitigate the risks associated with email-based threats.
Verified User in Computer & Network Security
Small-Business (50 or fewer emp.)
The Most Seamless & User-friendly Transactional Email delivery system for TruckX
What do you like best about ActiveCampaign Postmark? Email delivery and trust with our customers is our first priority at www.TruckX.com, so Postmark is our go-to for Email APIs because automated emails can be created and managed smoothly. What do you dislike about ActiveCampaign Postmark? Their analytics could be even more detailed in examining how the data performs. What problems is ActiveCampaign Postmark solving and how is that benefiting you? By ensuring that we deliver all www.TruckX.com ’s customer-facing transactional emails without delay, Postmark helps us ensure that our customers are happy and our operations are running smoothly. It has helped us become one of the best ELD brands for owner-operators and mid-sized fleets
Ramesh K.
Associate Product Manager Mid-Market (51-1000 emp.)
Enhanced Email Security with Sendmarc: Protecting Your Communications
What do you like best about Sendmarc? Sendmarc simplifies email authentication, making it easy for users to implement and manage. It has a User-Friendly Interface. Offers valuable insights into email delivery with Actionable Insights. What do you dislike about Sendmarc? There's a learning curve for new users. They could enhance onboarding or provide additional resources. What problems is Sendmarc solving and how is that benefiting you? 1. Combats Email Spoofing and Phishing 2. Ensures Email Authenticity 3. Improved Email Deliverability and Reputation Management
Verified User in Events Services
Small-Business (50 or fewer emp.)
Speed at a low price
What do you like best about ActiveCampaign Postmark? I really appreciate the speed with which I receive emails. It's very important to me that customers receive emails on time because otherwise we can miss out on some business. What do you dislike about ActiveCampaign Postmark? I don't like the fact that sometimes Mustachio, which is the language used to write emails, is a bit old-fashioned and I have to find other ways to do things that could be done in a more simple way. What problems is ActiveCampaign Postmark solving and how is that benefiting you? Postmark helps me send emails to my customers and retrieve data on email opens. This allows me to have complete control and visibility over the email communications sent.
Ange B.
software engineer Small-Business (50 or fewer emp.)
Email security made easy.
What do you like best about Sendmarc? Single pane of glass overview of your domains with drill downs into possible problem areas. What do you dislike about Sendmarc? Automated reporting and notifications are lacking. What problems is Sendmarc solving and how is that benefiting you? Little to no email delivery failures due to properly set up records. Quickly identify rogue or misconfigured senders.
John V.
Senior IT Manager | Head of IT Mid-Market (51-1000 emp.)
Excellent service, premium price
What do you like best about ActiveCampaign Postmark? The focus on transactional-only email and high deliverability is awesome; most small senders don't have the volume to justify the dedicated IPs every other transactional email provider seems to be pushing. The UI is nice. Documentation is good and API is easy to use. No complaints. What do you dislike about ActiveCampaign Postmark? The price is high and there's no free starter/low-volume plan. If slightly better deliverability is not critical for your use case, look elsewhere for more competitively priced solutions. Recommendations to others considering ActiveCampaign Postmark: If you're not price sensitive and you're looking for something simple with good support that just works, Postmark is a great choice. What problems is ActiveCampaign Postmark solving and how is that benefiting you? Sending transactional email (password resets, email verifications, etc.)
Verified User in Computer Software
Small-Business (50 or fewer emp.)
Great team pushing a useful product
What do you like best about Sendmarc? The team are passionate about what they do and always willing to help. The flexible offering for clients based on their needs/ organisation size. What do you dislike about Sendmarc? Nothing I can think of at this stage.... What problems is Sendmarc solving and how is that benefiting you? Domain security for our clients
Faye S.
Head of Customer Sucess Small-Business (50 or fewer emp.)

Pricing

Free DMARC Weekly Digests by Postmark is, as the name suggests, entirely free, offering a basic reporting service without cost, while Sendmarc operates on a tiered, contact-for-pricing model tailored to an organization's size and feature needs.
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Small
Free
Free trial (up to 5k), then Advanced (contact for pricing)
Medium
Free
Advanced (starts from 100k emails/month, contact for pricing)
Large
Free
Advanced or Premium (contact for pricing)
Enterprise
Free
Enterprise & government (contact for pricing)

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Still not satisfied with Free DMARC Weekly Digests by Postmark or Sendmarc?
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Suped double trouble

What makes Suped different

Automated sender discovery that finds shadow IT and third-party services
DMARC copilot that pinpoints failures and prescribes the exact fix
Guided path to full p=reject enforcement, safely and quickly
Proactive alerts to prevent misconfigurations before they block your mail
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Frequently asked questions

    Free DMARC Weekly Digests by Postmark vs Sendmarc DMARC product review - Compare DMARC products - Suped