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InboxMonster vs DMARC report viewer

Choose InboxMonster for comprehensive email and SMS insights with dedicated support, or DMARC report viewer for a free, self-hosted DMARC analysis solution.
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DMARC report viewer
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DMARC report viewer
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Compare product functionality

Feature set

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DMARC report viewer
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InboxMonster provides a robust and expansive feature set that goes well beyond basic DMARC reporting. It offers a comprehensive deliverability suite, creative proofing and editing tools, device renderings, and even Apple and Gmail AI summaries. We found its spam trap and blocklist (or blacklist) monitoring to be quite thorough, providing deep insights into sender reputation.
Beyond DMARC specific functionalities, InboxMonster integrates reputation analysis and real-time platform support. The platform aims to be a one-stop shop for all email and SMS performance needs, offering a holistic view of email health rather than just authentication data. We appreciate how it covers the full spectrum from pre-send checks to post-send performance monitoring.
DMARC report viewer, being an open-source project, focuses purely on the essential task of DMARC report parsing and visualization. It provides a foundational capability to analyze aggregate (RUA) and forensic (RUF) DMARC reports, presenting the data in a human-readable format. Its strength lies in its simplicity and directness in addressing DMARC data.
What you see is what you get, which means no frills beyond the core DMARC viewing. It lacks advanced features like real-time alerts, detailed source identification beyond what's in the DMARC report, or integration with other email deliverability metrics. It serves its purpose as a basic DMARC report processing tool, without venturing into broader email security or deliverability aspects.
How easy is each product to use

User experience

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DMARC report viewer
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InboxMonster offers a user-friendly and intuitive interface, which is quite remarkable given the depth of its features. We found the initial setup, often described as 'white glove', to be seamless, with their team handling much of the heavy lifting. The dashboard provides clear reporting that helps understand deliverability and inboxing performance.
However, with its many features and data sets, it can become a bit overwhelming for some users to navigate without guidance. While the platform is powerful, some reviewers noted that doing independent analysis outside of regular meetings with their support team could be challenging due to the sheer volume of information. This is a testament to the platform's comprehensive nature rather than a flaw.
DMARC report viewer, as an open-source, self-hostable solution, requires a significant degree of technical proficiency for setup and ongoing maintenance. There is no simple sign-up process, and users are responsible for deploying and configuring the tool on their own infrastructure. This means familiarity with GitHub, server management, and potentially command-line interfaces.
Once configured, the user interface is functional and straightforward for displaying DMARC data, but it is not designed with the same polish or user-centric workflows as a commercial product. It's built for those who value control and transparency, and are comfortable with a DIY approach, which often implies a steeper learning curve for non-developers.
Which product has the best support

Support

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DMARC report viewer
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Support is arguably InboxMonster's greatest strength. We consistently observed glowing reviews highlighting their proactive, knowledgeable, and dedicated account managers. Names like Josie, Thom, Anna, and Brad frequently appear in testimonials, praised for providing actionable insights, swift issue resolution, and tailored recommendations.
Their 'white glove service' extends beyond setup, including regular check-ins and immediate alerts for emerging deliverability issues. This level of hands-on partnership is a key differentiator, making it feel less like a vendor relationship and more like an extension of your own team, especially for those less experienced in deliverability.
Being an open-source project, DMARC report viewer offers community-based support, primarily through its GitHub repository. This means users typically rely on documentation, online forums, or direct engagement with the developer community for troubleshooting and feature requests. There is no dedicated support team, phone line, or guaranteed service level agreement (SLA).
While community support can be robust and helpful, it requires users to be proactive in finding solutions and contributing to the knowledge base. This model is ideal for developers and organizations with internal technical expertise who are comfortable managing their own deployments and seeking help through public channels, but unsuitable for those requiring immediate, personalized assistance.
Who should use each product

Suitability

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InboxMonster is best suited for mid-market and enterprise organizations, particularly those with high email and SMS sending volumes, complex marketing programs, or critical deliverability needs. Its comprehensive feature set and dedicated support make it ideal for marketing teams, deliverability specialists, and IT professionals who require in-depth insights and proactive management.
MSPs (Managed Service Providers) could find InboxMonster highly beneficial if they offer email deliverability as a service to their clients, leveraging its robust reporting and expert support. SMBs (Small to Medium Businesses) with a substantial budget and a strong reliance on email marketing could also benefit, especially if they lack in-house deliverability expertise and need a guided, hands-on approach.
DMARC report viewer is primarily for technical users, developers, and organizations that prefer open-source solutions and have the internal resources to self-host and maintain software. It's an excellent choice for those who need a fundamental DMARC reporting tool without the associated costs of commercial software, provided they can manage the infrastructure.
This tool is highly suitable for SMBs or even individual developers who are technically proficient and have specific DMARC monitoring requirements without the need for a full deliverability suite. It's less suitable for MSPs looking for a polished, multi-tenant solution out-of-the-box, unless they plan to significantly customize and build upon the open-source codebase to create their own managed service. Enterprise users would likely find its feature set too limited for their extensive needs.

How does InboxMonster compare with DMARC report viewer?

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DMARC report viewer
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

InboxMonster, while powerful, comes with a premium price tag that might deter smaller businesses. Some users also report the sheer volume of data can be overwhelming without their dedicated support. DMARC report viewer, on the other hand, demands significant technical expertise for setup and maintenance, effectively placing the burden of infrastructure and support on the user.
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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DMARC report viewer
Josie + InboxMonster has helped our email team tremendously!
What do you like best about Inbox Monster? I'm newer to the email team that utilizes InboxMonster but from what I've gathered from my coworker who has worked with Josie and InboxMonster for over a year, Josie was instrumental in providing actionable insights to enhance deliverability. What do you dislike about Inbox Monster? We don't have a proper CRM tool to leverage so InboxMonster isn't as much a problem as the tool we're using for email. What problems is Inbox Monster solving and how is that benefiting you? At the beginning of the year, the team discussed solutions such as better domain/IP allocation, stricter demark policies, and monitoring iCloud; they also noted the impact of email frequency and rogue franchisees on complaint rates. Next steps included investigating unsubscribe inconsistencies, exploring click activity data, discussing IP address optimization, and a future demo of Inbox Monster's "Creative Projects" tool; Josie Garcia will also provide further ISP and deliverability information. Most recently, Josie shared SendGrid-specific recommendations, best practices, and provided platform training, including user management, notifications, campaign tagging, subscriber insights, and spam trap analysis.
Verified User in Maritime
Small-Business (50 or fewer emp.)
No G2 reviews
G2 is the most popular review platform for DMARC products, so this is a strong signal that this product is not popular.
Great toolset and helpful account support
What do you like best about Inbox Monster? The toolset is very robust and they are consistently adding to the functionality. The account support has also been great and incredibly proactive. Thom is the best and always super helpful. What do you dislike about Inbox Monster? Right now, there is nothing currently that I do not like or appreciate about Inbox Monster. What problems is Inbox Monster solving and how is that benefiting you? Inbox Monster is helping us manage and get insight into deliverability problems when they arise. There is a great toolset that is built behind this management and the additional tools with respect to content rendering is super helpful.
Verified User in Publishing
Mid-Market (51-1000 emp.)
Valuable Deliverability Insights
What do you like best about Inbox Monster? Inbox Monster provides a lot of valuable insights into how are email deliverability is across many different email service providers. What do you dislike about Inbox Monster? Inbox Monster has many features and data sets, but not all of the data feels immediately actionable and I don't understand what every feature does. What problems is Inbox Monster solving and how is that benefiting you? Before Inbox Monster, we couldn't see where our emails were landing or what seeds were having deliverability issues.
Verified User in Higher Education
Mid-Market (51-1000 emp.)
A Game-Changer for Email Deliverability
What do you like best about Inbox Monster? Inbox Monster has been a life saver for our email program. We have worked with Josie for just under a year, but the amount of dedication and support she provided to analyze our deliverability, help us come up with an action plan to remediate our poor deliverability and sender reputation, and ongoing monitoring of trends after working through our issues, has played a significant role in the health and success of our email marketing. Josie is always quick to respond and will walk through the issues with us, giving us valuable insights and recommendations along the way. My team does not have a strong background in deliverability, but Josie and the Inbox Monster team, has made a very technical part of email marketing very easy to understand and action against, allowing us to grow our skillset while also educating the rest of the company on deliverability best practices to ensure we do not fall into the same mess that we worked so hard to pull ourselves out of. In October 2024, we found out, with the help of Inbox Monster, that our inbox rate with Gmail was at 1% with low sender reputation. After working with Josie, we were able to increase and maintain our Gmail inbox rate to 95-100% with high sender reputation within 4 months. I cannot recommend Inbox Monster enough. What do you dislike about Inbox Monster? Email deliverability is overwhelming. This is not an Inbox Monster issue. The team at Inbox Monster is incredibly knowledgeable and gives so much information. A lot of the time, the analysis is easy to follow while meeting with the Inbox Monster team, but the amount of numbers and tabs within the platform make it a little difficult to follow on our own. We have a wonderful support team who are willing to meet at our cadence to discuss, but it's a bit difficult to do our own analysis outside of those meetings. What problems is Inbox Monster solving and how is that benefiting you? Inbox Monster helps provide valuable insight to our email deliverability and sender reputation.
Verified User in Health, Wellness and Fitness
Enterprise (> 1000 emp.)
Great tool with excellent consulting support
What do you like best about Inbox Monster? Clear reporting to understand our deliverability/inboxing, as well as domain/IP reputation factors. And the consulting services offered save us a ton of time, as they leverage existing relationships with email providers to troubleshoot/address inboxing issues. Super easy to use and onboard as well. What do you dislike about Inbox Monster? Everything is worth it, but the tool costs more than other deliverability platforms, however, that's largely because they are taking on the work of coordinating with email providers What problems is Inbox Monster solving and how is that benefiting you? They offer a one-stop shop of crucial information to understand our sending domain/ip health, and most importantly, offer services that help us work with email providers quickly and effectively. This saves our team a ton of time we would otherwise have to spend coordinating with each ESP
Brandon G.
Senior Manager, Marketing Operations Mid-Market (51-1000 emp.)

Pricing

InboxMonster operates on a premium, annually billed model with different suites, while DMARC report viewer is an open-source project, free to use but incurring self-hosting costs.
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DMARC report viewer
Small
Starting at $3,000 yearly
Free software, self-hosting costs
Medium
Contact for pricing
Free software, self-hosting costs
Large
Contact for pricing
Free software, self-hosting costs
Enterprise
Starting at $15,000 yearly for Deliverability suite, custom
Free software, self-hosting costs

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DMARC report viewer
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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

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