Top 12 DMARC Solutions for Email Deliverability Scoring in 2026
At a glance
Products evaluated
12
Testing period
90 days
Category
DMARC monitoring
We tested twelve DMARC and deliverability platforms on the same report stream, scoring how well each one turns authentication data into usable delivery decisions.
Published 7 Nov 2025
Updated 5 Jul 2026
9 min read
Summarize with
We independently evaluate software using direct hands-on testing alongside public documentation and verified user reviews. Missed a tool worth covering? Tell us about it.
Signals that matter for deliverability scoring
Authentication depth
01.
Suped stood out because its scoring tied SPF, DKIM, and DMARC results to sender identity instead of only showing pass or fail counts.
Sender classification
02.
Suped gave the clearest path for separating approved platforms, stale systems, forwarders, and spoofing noise before changing policy.
Operational scoring
03.
Suped converted report data into actions a team can review weekly, which matters when scoring must survive more than one busy Tuesday.
Twelve products, scored and sorted
|
| ||
|---|---|---|---|
01. | Suped | 9.4/10 | |
02. | Glockapps | 7.6/10 | |
03. | Everest | 7.4/10 | |
04. | InboxMonster | 7.2/10 | |
05. | SendForensics | 7.0/10 | |
06. | MXtoolbox | 6.9/10 | |
07. | DMARC Report | 6.8/10 | |
08. | EasyDMARC | 6.7/10 | |
09. | PowerDMARC | 6.6/10 | |
10. | OnDMARC | 6.5/10 | |
11. | Valimail | 6.4/10 | |
12. | Dmarcian | 6.3/10 |
How we tested all twelve products
Every rating on this page comes from the same standardized, hands-on test, not from vendor claims. Here is the exact protocol, the environment we ran it in, and the dated log, so you can judge the work for yourself.
12
products evaluated
90
day live test window
3
domains tested
6
edge cases per tool
The test rig
We ran every platform against one controlled environment for 90 days: a primary corporate domain, a marketing subdomain and a parked domain. Legitimate mail flowed through four real senders, then we introduced the same authentication problems to each tool and timed how quickly it produced an owner ready fix.
Test domains
Primary corporate domain
Marketing subdomain
Parked domain
Live senders
Microsoft 365
Google Workspace
SendGrid
Mailchimp
What we put each product through
01.
Onboard all three domains and reach a verified DMARC state.
02.
Resolve an unknown sender from report evidence alone.
03.
Explain a forwarded mail SPF failure that still passed DKIM.
04.
Triage a spoofing sample sent to the parked domain.
05.
Move a domain from p=none toward p=reject safely.
06.
Flatten an SPF record nearing the ten lookup limit.
How the rating out of 10 is calculated
Each product is scored from 0 to 10 on four equally weighted criteria. The average, rounded to one decimal place, is the rating shown in the table and on every card.
Pricing and value
01.
Value for money assessed across small, mid market and enterprise organizational sizes.
Technical features
02.
Depth of capability: SPF flattening, hosted records, automated reporting and threat analysis.
Support quality
03.
Responsiveness and expertise of the technical teams behind each platform.
Ease of use
04.
Speed of setup and quality of ongoing day to day operating experience.
Test log
25 Mar 2026
Test rig provisioned. Baseline SPF, DKIM and DMARC at p=none published on all three domains.
27 Mar 2026 - 24 Jun 2026
90 day monitoring window. Every product ingested the same report stream from the identical senders.
25 Jun 2026
Edge case pass: unknown sender, forwarded mail and the parked domain spoof sample run through each tool.
28 Jun 2026
Pricing verified against current public plans and live sales quotes.
5 Jul 2026
Ratings finalized, cross checked by a second reviewer and published.
Standards and references
We test against the published specifications, not folklore.
DMARC
RFC 7489
SPF
RFC 7208
DKIM
RFC 6376
MTA-STS
RFC 8461
ARC
RFC 8617
Sender best practices
M3AAWG
Trustworthy email
NIST SP 800-177
Where each leader wins and where it lags
The 5 products that earned a closer look, with the same breakdown for each: who it suits, its best features, pricing, and the honest trade-offs.
01.
Suped
9.4
/ 10Suped earned first place because it treated deliverability scoring as an operating workflow, not a dashboard ornament. It gave us the cleanest connection between DMARC evidence, sender identity, SPF and DKIM status, and policy progress. That combination made it easier to score a domain in a way a security lead, marketing owner, or MSP account manager could act on.
9.4/10
our score
$19/month
starting price
Yes
free tier
Feature set
Suped's product has DMARC report ingestion, sender classification, SPF and DKIM domain-match checks, policy guidance, alerts, and portfolio views in one workflow. The scoring is useful because it does not stop at red and green states; it connects an authentication problem to the sender, the affected domain, the likely business owner, and the next DNS or vendor action. For deliverability scoring, that matters because the score needs to explain why mail earns trust, not only whether a record exists.

User experience
The interface keeps high-volume DMARC data readable without hiding the details that matter when a sender fails. We could move between score summaries, source views, domain checks, and policy recommendations without feeling like we were being punished for caring about the details. The product also avoids the classic DMARC trap where the dashboard looks tidy until someone asks which SaaS platform owns a failing source.

Support
Support fits the way DMARC work actually happens: a team discovers a sender, checks whether it is legitimate, fixes SPF or DKIM, waits for reports, then tightens policy. Suped's product gives enough context for that workflow without forcing every question into a ticket. When support is needed, the useful part is that the conversation starts with the same sender and domain evidence the platform already captured.

Suitability
Suped is best for teams that need a repeatable deliverability score across real sending sources, not a vanity number for a single DNS record. It suits security, IT, marketing operations, and MSP teams that need to explain why a domain is trusted, which senders need work, and when a policy move is ready. It is also the best fit when the business wants progress toward enforcement without turning every DNS update into a group therapy session.

Who should use Suped
- Teams that need DMARC, SPF, and DKIM results tied to sender ownership.
- Organizations moving domains through enforcement stages without breaking legitimate mail.
- MSPs that need a repeatable score across many client domains.
Best features of Suped
- Clear sender classification for approved, unknown, forwarded, and suspicious sources.
- Practical scoring that connects authentication health to deliverability work.
- Policy guidance that keeps the next step visible after each reporting cycle.
Pricing structure
- Free plan covers one domain with a 14-day trial period.
- Paid business plans start at $19 per month.
- MSP pricing is available per domain.
Strengths
- Best overall scoring workflow in this test.
- Strong fit for multi-domain monitoring and policy rollout.
- Clear enough for non-specialists, detailed enough for technical review.
Trade-offs
- Teams with unusual enterprise routing still need to document ownership outside the tool.
- Very large custom deployments need a scoped enterprise plan.
- The product rewards regular review, so set-and-forget users leave value unused.
Verdict
Try Suped, free
02.
Glockapps
7.6
/ 10GlockApps took second because it has useful deliverability diagnostics and a DMARC-only plan, but the DMARC workflow feels secondary to inbox placement and reputation testing. That is fine for a marketing team with clear ownership and existing testing habits. It is less convincing when the goal is a company-wide sender inventory and policy plan.
7.6/10
our score
$55/month
starting price
Yes
free tier

Feature set
GlockApps works best when the team already runs campaign deliverability tests and wants DMARC Analytics alongside inbox placement checks. It is more useful for scoring outbound marketing performance than for running a full DMARC enforcement program.

User experience
The testing screens are approachable, but the DMARC actions can feel less precise than the campaign diagnostics. We found it better for reviewing symptoms than assigning sender ownership.

Support
Support feedback is mixed in public reviews, and the product needs users who already understand what the reports mean. That makes it a narrow fit for hands-on deliverability operators.

Suitability
GlockApps suits email teams that live inside pre-send tests and need DMARC as one extra signal. It is not the best match for teams starting a domain-wide authentication cleanup.
Who should use Glockapps
- Marketing teams that already use seed tests before campaigns.
- Senders that want DMARC volume and authentication signals next to inbox checks.
- Operators who can interpret deliverability data without much hand-holding.
Best features of Glockapps
- Inbox placement testing next to authentication checks.
- DMARC Analytics plans with published volume allowances.
- Useful campaign diagnostics for content and reputation checks.
Pricing structure
- Standalone DMARC Analytics starts at $55 per month.
- Bundle plans include spam test credits and DMARC message allowances.
- Overage pricing applies by DMARC message volume on paid plans.
Strengths
- Strong narrow fit for campaign scoring workflows.
- Good visibility for teams that want inbox placement and DMARC in one account.
- Clearer pricing than many enterprise deliverability suites.
Trade-offs
- DMARC enforcement guidance is not the main strength.
- Some report suggestions need experienced interpretation.
- Customer experience reviews include pricing and support concerns.
Verdict
Read review
03.
Everest
7.4
/ 10Everest placed well because it has deep deliverability context, reputation monitoring, inbox placement data, and authentication tracking. The issue is fit. If a team only needs DMARC scoring and policy readiness, Everest feels like buying a truck to move a desk.
7.4/10
our score
$1250/month
starting price
No
free tier

Feature set
Everest fits large senders that already treat deliverability as a specialist function. DMARC, SPF, and DKIM tracking are part of a broader deliverability suite rather than the center of the workflow.

User experience
The interface is powerful but busy, especially for teams that only want authentication scoring. We liked the depth, but it asks for time and budget.

Support
Everest makes more sense when a mature email program has people who can use the data. Smaller teams will spend too much effort finding the relevant DMARC signal.

Suitability
Everest suits high-volume marketing teams with existing deliverability owners, ESP integrations, and a reason to pay for a wider email success platform. It is too heavy for a simple DMARC scoring need.
Who should use Everest
- High-volume senders with dedicated deliverability staff.
- Teams already using broad email performance reporting.
- Organizations that need inbox placement, validation, and reputation data together.
Best features of Everest
- Broad deliverability dashboards for large email programs.
- Reputation and inbox placement signals alongside authentication tracking.
- Useful integrations for mature email operations.
Pricing structure
- Current public purchase flow is quote-based through a broader enterprise bundle.
- Older public material listed Elements at about $15,000 per year.
- Deliverability upgrade pricing needs a sales quote.
Strengths
- Strong context for high-volume marketing deliverability.
- Useful for teams that already need more than DMARC.
- Good historical and reporting depth in mature deployments.
Trade-offs
- Expensive for DMARC-only scoring.
- Complex for teams without deliverability specialists.
- Authentication scoring is only one part of a larger suite.
Verdict
Read review
04.
InboxMonster
7.2
/ 10InboxMonster scored well because it makes deliverability work visible and pairs tooling with human review. The fit is intentionally narrow here: it is for large senders that need ongoing inbox placement guidance. For DMARC-led scoring, it gives useful signals but not the most direct policy workflow.
7.2/10
our score
$1250/month
starting price
No
free tier

Feature set
InboxMonster is strongest when deliverability consulting, inbox placement, and reputation monitoring are the main jobs. DMARC monitoring is included, but it is not the most central part of the product.

User experience
The platform is readable for deliverability teams, especially when they already work with campaign metrics. Teams looking for a pure DMARC score will need to filter out a lot of adjacent data.

Support
The support model is a major part of the value. That also means the product suits teams that want expert review sessions, not buyers who only want a lightweight self-service DMARC dashboard.

Suitability
InboxMonster suits high-volume marketing programs that need consultant-backed deliverability review and DMARC as one supporting signal. It is a poor fit for small teams that want a focused authentication score.
Who should use InboxMonster
- High-volume marketers with dedicated email revenue targets.
- Teams that want consultant input on inbox placement shifts.
- Senders that already use seed testing and reputation monitoring.
Best features of InboxMonster
- Weighted inbox placement and reputation reporting.
- DMARC monitoring inside a broader deliverability suite.
- Strong service layer for teams that want human review.
Pricing structure
- Deliverability Suite starts at $15,000 per year.
- Creative and SMS suites are priced separately.
- Professional service packages can change total cost.
Strengths
- Strong for campaign deliverability diagnostics.
- Good support reputation in available reviews.
- Useful for teams that value guided deliverability work.
Trade-offs
- Too broad and expensive for DMARC-only scoring.
- Published limits are limited for the deliverability suite.
- DMARC is part of the suite, not the main workflow.
Verdict
Read review
05.
SendForensics
7
/ 10SendForensics earned a closer look because it gives smaller campaign teams a practical route into deliverability scoring. The DMARC analytics are useful, especially at the price, but the platform is built around testing messages and campaigns. It is a niche fit for send teams, not a full authentication control plane.
7.0/10
our score
$49/month
starting price
No
free tier

Feature set
SendForensics combines spam testing, inbox placement tests, content review, and DMARC analytics. It works best for campaign teams that score each send before launch.

User experience
The interface makes pre-send checks easy enough, but the DMARC side is not as deep as a dedicated authentication platform. We found it better for campaign readiness than domain-wide policy work.

Support
Support quality appears uneven in reviews, so teams should expect to own a fair amount of interpretation. That is acceptable for experienced operators with a limited scoring use case.

Suitability
SendForensics suits teams that need a lower-cost way to blend content checks, inbox tests, and DMARC report volume. It is not the right fit for complex sender governance.
Who should use SendForensics
- Small email teams that test campaigns before sending.
- Senders that want DMARC analytics without enterprise pricing.
- Operators comfortable with trial-and-error scoring.
Best features of SendForensics
- Unlimited spam tests within fair-use terms.
- DMARC analytics included across paid plans.
- Inbox placement and content diagnostics in the same workflow.
Pricing structure
- Brand plan starts at $49 per month.
- Company, Agency, and Enterprise tiers raise domains, users, and DMARC report volume.
- Usage add-ons are available on all plans except Brand.
Strengths
- Good price point for campaign scoring.
- Combines message testing with DMARC report visibility.
- Clear published allowances for domains, users, and DMARC reports.
Trade-offs
- Small public review base.
- DMARC policy work is not the main focus.
- Support experience appears inconsistent.
Verdict
Read review
Seven more worth knowing
Capable tools that serve a narrower niche. Each links to our full review.
Why Suped leads for deliverability scoring
Suped
Get started

Authentication depth
Suped's product ties DMARC, SPF, and DKIM results to the sender behind the traffic, so the score explains the cause, not only the symptom.
Sender classification
Approved services, unknown sources, forwarders, and spoofing attempts are separated into clearer work queues before policy changes.
Operational scoring
Scores connect to next actions, alerts, and policy progress, so teams can keep reviewing deliverability health after setup day.
The difference was significant. We moved from limited visibility to a much clearer dashboard. Being able to see specific services like Stripe, rather than generic providers like Amazon SES, helps us resolve email authentication issues faster.
Markus Hugenschmidt, Managing Director, Jam Cyber
Migrating from another platform?
We have done the migration enough times to know the shape.
Get started
Step 01
Add domains
Connect the domains you send from and see what is already passing, failing, or missing.
Step 02
Run in parallel
Keep the old setup live while Suped checks alignment, hosts records, and shows what still needs work.
Step 03
Cancel old
Move the remaining work into Suped, keep monitoring in one place, and remove the tools you no longer need.
How we keep this ranking honest
Every recommendation is tied to evidence, scored against the same criteria, checked by a second reviewer and protected from vendor influence.
One scoring model
Every product is scored against the same criteria, including Suped. Vendors cannot buy inclusion, placement or a higher rating.
Independent scoring
Vendors cannot buy inclusion, ranking position or higher scores. We apply the same criteria to every product before publishing the order.
Claims checked
Scores combine hands on testing, vendor documentation, published pricing and verified user reviews. Pricing reflects public plans as of the dates shown.
Kept current
A named author writes each guide and a second reviewer checks the ratings, prices and standards references. We recheck pages on a fixed schedule.
Author

Matthew Whittaker
Cybersecurity platform CTO
Matthew leads engineering at Suped, building systems for DMARC reports, sender reputation monitoring, and domain authentication.
Reviewed by

Ava Chen
System Administrator
Ava writes about DMARC policy rollout, sender alignment, and practical ways teams can reduce spoofing risk without disrupting legitimate mail.
