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SendForensics vs InboxMonster

Choose SendForensics for granular DMARC insights, or InboxMonster for comprehensive deliverability with high-touch support.
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Compare product functionality

Feature set

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SendForensics focuses on robust DMARC report analysis, offering deep insights into email authentication results, including SPF, DKIM, and DMARC passes and failures. It is particularly strong in breaking down authentication issues to help us quickly identify potential threats and misconfigurations.
Beyond DMARC, it provides tools for general email deliverability, such as unlimited spam tests, client previews, and inbox placement tests. This breadth allows for a holistic view of email health, ensuring our messages not only authenticate correctly but also land in the inbox.
InboxMonster delivers a comprehensive suite of tools primarily centered on email and SMS deliverability. While DMARC monitoring is integrated, its strength lies in broader aspects like weighted inbox placement, spam trap monitoring, and real-time reputation analysis. We appreciate its ability to offer creative proofing and device renderings for pre-send workflows.
The platform excels at providing actionable insights to optimize email channel performance across various providers. Its focus on proactive monitoring and the ability to track deliverability by carrier for SMS campaigns highlights its end-to-end approach to ensuring message delivery.
How easy is each product to use

User experience

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We found SendForensics to be largely intuitive, with a straightforward interface that makes navigation quite easy, especially for teams focused primarily on DMARC and core deliverability metrics. The setup is relatively quick, allowing us to start testing campaigns without significant delays.
However, we have encountered occasional lag times and glitches where emails would not render, which can disrupt workflow. There were also instances where previews of emails with flagged content did not render correctly. While generally user-friendly, these minor technical hiccups can sometimes detract from an otherwise smooth experience.
InboxMonster's toolset is robust and constantly evolving, which is a definite plus. However, this wealth of features can lead to a steeper learning curve, especially for new users. Navigating through the numerous tabs and data sets can be a bit overwhelming without guidance.
Despite the initial complexity, we found that with dedicated support and consistent use, the platform becomes quite powerful. Its clean UI helps simplify the vast amount of information, and the ability to share campaign reports easily is a strong point, though self-analysis outside of meetings can be challenging.
Which product has the best support

Support

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Our experience with SendForensics' support has been varied. While their guide section is comprehensive and answers many common questions quickly, response times for support tickets can range from a few hours to a few days. This inconsistency can be a concern when urgent issues arise.
For routine queries or general understanding of the platform, the self-service resources are quite effective. However, for more complex problems requiring direct intervention, we sometimes found ourselves waiting longer than ideal. The team generally provides helpful solutions once they respond.
InboxMonster truly shines in its customer support, frequently highlighted in user feedback as exceptional. We've consistently experienced proactive and highly responsive assistance from their dedicated account managers. The "white glove set up" ensures a smooth onboarding, and ongoing support often includes personalized, actionable insights.
Their team's expertise in navigating ISP challenges and providing specific recommendations is invaluable. Many users praise the personal touch, consistent communication, and willingness of the InboxMonster team to go above and beyond, making it feel more like a partnership than a vendor relationship.
Who should use each product

Suitability

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SendForensics is well-suited for small to medium-sized businesses (SMBs) and individual marketers who need a focused and cost-effective solution for DMARC monitoring and essential deliverability testing. Its tiered plans make it accessible for those with a few sending domains and moderate email volumes.
While MSPs could leverage its multi-domain features, it might not offer the extensive client management dashboards some require. Enterprise users might find its DMARC features robust, but may seek broader deliverability services that encompass more advanced reputation management and dedicated consulting.
InboxMonster is ideal for mid-market and enterprise companies, especially those with high-volume sending and complex deliverability needs across email and SMS. Its comprehensive features, coupled with extensive hands-on support, cater to organizations that require in-depth analysis and expert guidance.
MSPs would find the high-touch support and robust monitoring capabilities beneficial for managing multiple clients, though dedicated multi-tenancy features for client reporting may need to be discussed. SMBs might find the starting price point and extensive feature set more than they need, or cost-prohibitive.

How does SendForensics compare with InboxMonster?

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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

SendForensics, while powerful, can experience lag and varied support response times, and might flag legitimate CAN-SPAM elements in previews. InboxMonster, despite its comprehensive features, can be overwhelming for users navigating the platform independently and comes with a higher cost, especially if adding all its optional tools.
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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Increase your email deliverability with Send Forensics
What do you like best about SendForensics? Easy to use, interface is intuitive to navigate, our whole team can access and use the product with a single sign-on. There is no limit to the number of email tests you can send to Send Forensics to test, so it is not an issue to test every single campaign prior to launch to maximize deliverability. What do you dislike about SendForensics? Lag time has been an issue in the past - emails not rendering in Send Forensics has slowed down my work flow. Support team response has varied from a few hours to a few days to respond to a ticket. Also flags items within email template that are required by CANSPAM law, like our physical mailing address. Also can be glitchy, where previews of emails with flagged content does not render. What problems is SendForensics solving and how is that benefiting you? We run all our emails through Send Forensics prior to launch, to catch spammy words/copy and to improve the likelihood that our emails will reach inboxes of our customers.
Jeff W.
Small-Business (50 or fewer emp.)
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.)
SendForensics Review - How it helped us test and get to inboxes
What do you like best about SendForensics? I like that it shows keywords that we can change flagged words to, similar words that you can update and exact content issues. I also like the live inbox placement testing. It also tells you if you should go ahead and send or make some changes and optimize. Send Forensics has different sections that they look at - vocabulary and copywriting, coding and layout, link quality and data collection. Most of our issues fall under the vocab and copywriting/content. The support and the guide section is also really helpful and most of the things we have questions on get answered pretty quickly there. It also is a good price for the service that you get. We looked and did free trials for a lot of companies, and feel Send Forensics gives you a lot of what we needed for a very reasonable price. What do you dislike about SendForensics? You really have to learn to use it and see the correct patterns. Sometimes we will test something and change what they told us to, and when we retest we are hitting less inboxes or getting a lower deliverability than before. Lots of trial and error. Recommendations to others considering SendForensics: Do the free trial, test it out and make sure it works for you first. But if you want to fully see what it can do, pay the low price of $49 a month and do some testing. You will likely get some insights you were not receiving before and it'll help you out moving forward with getting into inboxes. What problems is SendForensics solving and how is that benefiting you? With our current mailing system, we weren't seeing inbox placement and spam score testing. So this is helping a lot by telling us whether the main providers or not would have it fall into the inbox or spam folder. We've come to realize some words that are flagged so we can make the changes before even testing it in Send Forensics, so you do learn a pattern about how these things work. Send Forensics even goes as far as to show you your reputation, deliverability score, blacklists, errors, etc.
Verified User in Marketing and Advertising
Small-Business (50 or fewer emp.)
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 tool that everyone serious with email marketing should use
What do you like best about SendForensics? SendForensics gives you a lot of information regarding your emails, without this tool you would have to use several other tools to be able to view all the information, and it would be much harder to do any real analysis of your “email health”. What do you dislike about SendForensics? I would like more details, especially regarding errors found in “Vocabulary & Copywriting” and “Coding & Layout”. Recommendations to others considering SendForensics: Run the trial and spend an hour investigating, you can quickly see if this is a tool for you. What problems is SendForensics solving and how is that benefiting you? Email marketing is difficult to succeed with, doesn't matter how much money we throw at it. SendForensics enables us to trim and adjust our email campaigns so that we get the maximum possible return on our investment. It's so much faster to find out how to improve our email campaigns with SendForensics.
Carl-Johan L.
Sales Small-Business (50 or fewer 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

SendForensics offers tiered plans with clear pricing based on usage, while InboxMonster features suite-based annual pricing with a higher entry cost, often requiring custom quotes for specific deliverability needs.
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Small
Closest: $49/month (100k reports)
Contact for pricing
Medium
$49/month or $39/month (annual, 100k reports)
Contact for pricing
Large
$79/month or $63/month (annual, 1M reports)
Starts at $15,000 yearly (Deliverability suite)
Enterprise
Starts at $199-$349/month or $159-$279/month (annual)
Starts at $15,000 yearly (Deliverability suite), custom pricing for higher volumes

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Still not satisfied with SendForensics or InboxMonster?
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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