Kevlarr vs.
EmailAuth.io in 2026
Kevlarr
EmailAuth.io
vs.
We tested Kevlarr and EmailAuth.io for 90 days across a corporate domain, a marketing subdomain, and a parked domain. Kevlarr felt faster for MSP-style DMARC monitoring and source cleanup, while EmailAuth.io felt broader and more service-led for buyers that want managed support, threat context, and enterprise deployment options.
Kevlarr
DMARC monitoring for MSPs and IT teams
Starts at
Free plan available
Best fit
MSPs and lean IT teams managing multiple domains
In one line
Kevlarr gave us quick DMARC visibility, useful source grouping, and practical reports, but deeper paid limits were not publicly clear.
EmailAuth.io
Managed DMARC and email authentication
Starts at
Not publicly listed
Best fit
Organizations that want consultative onboarding or enterprise deployment
In one line
EmailAuth.io covered more authentication and threat workflows on paper, but the buying path and day-to-day operator workflow required more sales and support context.
Suped
The third option. Hosted SPF, DMARC, and MTA-STS on every plan. Published pricing. Monthly plans. No long contract required.
Learn about Suped
Choose Kevlarr for MSP monitoring, EmailAuth.io for managed enterprise help
Pick Kevlarr if
Best for MSPs and IT teams that want fast DMARC monitoring across many domains
The three test domains were easy to add, with DNS records generated cleanly for the corporate domain, marketing subdomain, and parked domain.
Microsoft 365, Google Workspace, SendGrid, and Mailchimp were grouped quickly enough to identify owner actions without reading raw XML.
The parked domain spoof sample was obvious in reporting, and client-ready exports made the handoff practical.
Free plan available
Pick EmailAuth.io if
Best for teams that want managed DMARC support and enterprise deployment choices
The managed service path gave clearer expectations for escalation, DNS handoff, and periodic reporting than a pure self-serve workflow.
Forwarding and SPF failure context was easier to explain when we treated the platform as an analyst-assisted workflow.
API, SOAR, STIX/TAXII, and on-premise positioning fit enterprise security teams that need integrations confirmed before rollout.
Not publicly listed
Consider Suped if
Use Suped as the third option when guided fixes, hosted records, and simpler ownership matter
Guided fixes and automated issue detection reduce the manual triage we needed for the unknown sender and forwarded SPF failure.
Alert quality and source identification should be checked before buying, especially when Microsoft 365, Google Workspace, and marketing tools all send mail.
Published starter pricing helps teams budget earlier, with MSP workflows available when client grouping and recurring handoff matter.
Free plan available
The differences that actually change your week
Kevlarr
EmailAuth.io
Suped
DMARC report analysis
Aggregate report parsing, domain-match views, and drilldowns.
Clear DMARC reporting with practical drilldowns
DMARC reporting with managed analysis option
Supported
Source detection
Ability to name sending services and separate owners.
Good for Microsoft 365, Google Workspace, SendGrid, and Mailchimp
Supported, strongest with analyst context
Supported
Forward detection
Handling forwarded mail where SPF fails but DKIM survives.
Partial, required manual explanation
Partial, clearer in managed workflow
Supported
Spoof detection
Visibility into unauthorized use of protected domains.
Strong signal on parked domain spoof sample
Supported with threat context
Supported
Notifications and alerts
Operational notifications that avoid noise.
Email alerts and smart filtering
Customizable threat alerts advertised
Supported
Reporting
Exports, recurring reports, and management summaries.
PDF and client-ready reporting
Weekly, monthly, and annual reports advertised
Supported
API
Programmatic access for onboarding, exports, and workflows.
API-first partner workflow
API and SOAR integrations advertised
Supported
Multi-tenancy
Client grouping, account separation, and delegated access.
MSP dashboard and customer grouping
Supported for enterprise or managed use, details unclear
Supported
SPF flattening
Hosted or assisted SPF flattening to avoid DNS lookup limits.
SPF lookup support, flattening not confirmed
SPF checks, flattening not confirmed
Supported
Hosted DMARC
Managed DMARC policy hosting or record control.
Not confirmed in public DMARC plan details
Not confirmed
Supported
Hosted SPF
Managed SPF record hosting.
Not confirmed
Not confirmed
Supported
Hosted MTA-STS
Hosted MTA-STS policy and reporting workflow.
Not found
Not confirmed
Supported
Blocklists and reputation
Blocklist or blacklist monitoring tied to sending sources.
Not found
Partial, spam listings context advertised
Supported
Automatic issue detection
Automated identification of records, sources, and failures needing action.
AI filtering reduces DMARC noise
Recommendations advertised in managed services
Supported
AI copilot
AI assistance for interpreting failures and next steps.
AI filtering only, not a full copilot in our test
Not found
Supported
DNS monitoring
Ongoing checks for DMARC, SPF, DKIM, and related record changes.
Configuration error reporting
SPF and DKIM domain-match checks advertised
Supported
Self hostable
Ability to deploy the product outside standard SaaS hosting.
No
On-premise deployment advertised
No
Free trial/free tier
Public no-cost path or confirmed trial.
Free monitoring tier
Free demo, no confirmed trial or tier
Free plan available
Ten dimensions, scored from 0 to 10
We scored each product against a fixed editorial rubric after the same 90-day setup, the same three domains, the same five approved senders, and the same controlled authentication cases. Higher is better in every row.
Kevlarr scored higher for operator speed, while EmailAuth.io scored higher where managed service and enterprise deployment matter.
Kevlarr moved faster during setup and source resolution: Microsoft 365, Google Workspace, SendGrid, and Mailchimp were usable in the dashboard without much interpretation, and the parked-domain spoof sample was easy to isolate. EmailAuth.io had a broader advertised surface, including managed services, on-premise deployment, API, SOAR, and STIX/TAXII, but pricing and entitlement details were harder to pin down. Both needed human judgment on the forwarded SPF failure and the unknown sender, though Kevlarr made the day-to-day queue shorter.
Kevlarr score
61.5/100
EmailAuth.io score
55/100
Kevlarr
61.5/100
DMARC enforcement
8.0
Customer support
8.0
Source resolution
8.5
Setup and onboarding
8.5
MSP workflows
8.5
Alerting and integrations
6.5
Hosted SPF and MTA-STS
0.0
Blocklist monitoring
0.0
Pricing transparency
5.5
Time to enforcement
8.0
EmailAuth.io
55/100
DMARC enforcement
7.5
Customer support
8.0
Source resolution
7.0
Setup and onboarding
6.0
MSP workflows
6.0
Alerting and integrations
7.5
Hosted SPF and MTA-STS
0.0
Blocklist monitoring
4.5
Pricing transparency
2.0
Time to enforcement
6.5
Feature set
Operator depth vs security breadth
Kevlarr wins for DMARC operations. EmailAuth.io wins for enterprise-adjacent coverage.
Kevlarr gave us the cleaner route from reports to sender decisions, especially when Microsoft 365, Google Workspace, SendGrid, and Mailchimp were all active. EmailAuth.io covered a wider set of security concepts, including threat alerts, forensic reporting, and on-premise deployment. A practical Suped buying criterion is whether the tool turns unknown senders and forwarded SPF failures into guided fixes and automated issue detection, not only raw events.
Kevlarr
Clear Microsoft 365 grouping
SendGrid owner path
Subdomain DKIM visible
EmailAuth.io
Managed threat context
API and SOAR options
Forensic reporting advertised
Kevlarr's strongest feature work happened in DMARC source handling. Microsoft 365 and Google Workspace were separated cleanly, SendGrid and Mailchimp were easy to classify against the marketing subdomain, and the unknown support desk sender was visible enough for an owner decision after a short drilldown. The same-domain DKIM pass on a subdomain was shown without hiding the organizational-domain relationship, while the SPF pass with visible from mismatch needed a manual note before we were comfortable moving policy.
EmailAuth.io had the broader stated feature set. DMARC aggregate reporting, forensic reporting, spoof detection, SPF and DKIM domain-match checks, API, SOAR, STIX/TAXII, and on-premise deployment all fit teams that want DMARC inside a larger security workflow. In our hands-on workflow, Microsoft 365 and Google Workspace were understandable, but SendGrid, Mailchimp, and the unknown sender took more analyst-style classification before the next action was obvious.
User experience
Speed vs structure
Kevlarr is easier to operate daily. EmailAuth.io needs a more planned workflow.
Kevlarr got us through domain setup and report review with less ceremony, which mattered during weekly checks. EmailAuth.io felt more structured and service-oriented, so it suited buyers who expect onboarding and analyst support. The tradeoff was visible when explaining forwarded mail: Kevlarr made the data faster to find, while EmailAuth.io made the explanation easier once we treated it as part of a managed review.
Kevlarr
Fast domain onboarding
Unknown sender findable
Forwarding needed notes
EmailAuth.io
Structured setup path
Managed explanation helps
Slower self-serve triage
Kevlarr's onboarding for the corporate domain, marketing subdomain, and parked domain was direct. The generated DMARC record respected existing policy, and the first useful report view appeared after incoming aggregate data landed. Finding the unknown sender took a few clicks through source and IP details, but the flow stayed close to the work an MSP or IT admin does every week.
EmailAuth.io felt less like a quick self-serve console and more like a workflow that expects a setup conversation. The three domains were manageable, but our notes around the forwarded SPF failure, visible from mismatch, and unknown support sender depended on service context rather than dashboard labels alone. That is acceptable for a managed buyer, but slower for an operator who wants to classify and close items without a meeting.
Support
Partner help vs managed help
Kevlarr fits hands-on MSP support. EmailAuth.io fits buyers expecting a service wrapper.
Kevlarr's support model made sense when the team doing DNS changes also owned the customer relationship. EmailAuth.io's managed services messaging was stronger for buyers that want onboarding, periodic meetings, and escalation paths named before enforcement. The main difference was not support quality, but how much of the DMARC project each vendor expects to carry.
Kevlarr
Practical DNS handoff
MSP support fit
Enterprise detail thinner
EmailAuth.io
Managed onboarding path
24x7 support advertised
Quote answers required
Kevlarr gave us the support shape we expect for an MSP-led rollout. DNS handoff was practical, setup guidance was clear enough for Microsoft 365 and Google Workspace, and the support expectation was strongest when the operator already knew who owned SendGrid, Mailchimp, and the support desk sender. Enterprise onboarding was less explicit in public pricing and package detail.
EmailAuth.io described a more formal support path, especially through managed services with onboarding, dashboard training, proactive recommendations, periodic meetings, and 24x7 phone and email support. That helped frame escalation for the SPF mismatch and forwarded mail case. It also meant the sales and support conversation had to answer more questions before timeline, cost, and ownership were clear.
Suitability
MSP fit vs enterprise fit
Kevlarr is the clearer MSP choice. EmailAuth.io is better suited to managed enterprise buying.
Kevlarr made account separation, client grouping, and recurring reports easier to picture after 90 days, especially for a provider handling many domains. EmailAuth.io made more sense for enterprise and SMB buyers that want a service-led package rather than daily console ownership. For buyers comparing a third option such as Suped, MSP workflows and alert quality should be tested with real client handoff notes, not only a demo dataset.
Kevlarr
Strong client grouping
Recurring reports usable
MSP handoff clear
EmailAuth.io
Enterprise service fit
Deployment options matter
SMB pricing unclear
Kevlarr fit the MSP pattern best in our setup. The corporate domain, marketing subdomain, and parked domain were grouped cleanly, recurring reports were usable for non-technical handoff, and the customer view made it easier to explain why the parked domain should move to a stricter policy. For enterprise teams, it still worked, but some packaging and entitlement questions moved into a sales conversation.
EmailAuth.io fit organizations that want DMARC wrapped into a broader security or managed service process. Account separation and domain grouping appeared possible, but the practical details depended on deployment model, quote scope, and whether the buyer used SaaS, managed services, or on-premise deployment. For SMBs, the lack of public pricing made early comparison harder unless they were ready to speak with sales.
What each tool feels like after 90 days of real use
Kevlarr
A practical DMARC console for MSPs and hands-on IT teams
Kevlarr felt most useful during weekly source review. We separated Microsoft 365, Google Workspace, SendGrid, and Mailchimp, then turned the support desk sender into a classification task instead of a raw DMARC mystery. The parked domain spoof sample was easy to spot, and the marketing subdomain made it clear which SaaS tools needed domain-match attention.
The weak spots were mostly around packaging and deeper automation expectations. Public pricing did not clearly map paid tiers to DMARC limits, and some advanced partner capabilities needed confirmation. The forwarded mail SPF failure also needed a human explanation before it was ready for a client report, even though the reporting view gave us enough evidence.
Where it wins
Fast three-domain onboarding
Good source grouping for common senders
Client-ready reports for MSP handoff
Strong visibility into spoof samples
Where it lags
Paid DMARC limits not public
No confirmed hosted MTA-STS
No blocklist or blacklist module found
Forwarding cases still need notes
Pricing
Free plan available
Free tier
Yes
Onboarding
Fast
G2 rating
4.8 / 5
EmailAuth.io
A managed and enterprise-oriented option for teams that want help wrapped around DMARC
EmailAuth.io felt strongest when we treated the product as part of a managed security process. The advertised support for DMARC, SPF, DKIM, forensic reporting, threat alerts, API, SOAR, STIX/TAXII, and on-premise deployment created a credible enterprise checklist. The forwarded SPF failure and visible from mismatch were easier to document when analyst support was part of the workflow.
The day-to-day operator experience was less immediate. We worked through the three domains and approved senders, but unknown sender classification did not feel as quick as Kevlarr's DMARC-first flow. The pricing path also slowed evaluation, because no public tier table confirmed domain limits, message limits, retention, or whether the free start path was a trial, demo, or limited product.
Where it wins
Managed service support path
Enterprise deployment options
Threat and investigation context
API and SOAR positioning
Where it lags
No public pricing table
Free start terms unclear
Slower self-serve source cleanup
No G2 review base
Pricing
Not publicly listed
Free tier
Unclear
Onboarding
Consultative
G2 rating
0 / 5
Pricing
Kevlarr
EmailAuth.io
Suped
Small
1 domain, up to 1k emails / month.
$0
Kevlarr has a free DMARC monitoring option, but public pages do not confirm volume or retention limits.
Not publicly listed as of May 15, 2026
EmailAuth.io advertises a free demo or start path, but no confirmed free plan limits.
$0 / month
Free plan covers 1 domain and 1,000 monthly emails.
Medium
2 domains, up to 100k emails / month.
From 5.99 EUR / month
Indexed generic tiers show this entry price, but DMARC-specific limits are not verified.
Not publicly listed as of May 15, 2026
Pricing appears quote-based, with no public domain or message allowance.
Entry plan covers 2 domains and 100,000 monthly emails, with 90 days retention.
Large
10 domains, up to 1 million emails / month.
Not publicly listed as of May 15, 2026
Managed DMARC and partner pricing require confirmation for this volume.
Not publicly listed as of May 15, 2026
Large deployments require a quote, likely shaped by domains, volume, support, and integrations.
10 domains and 1,000,000 monthly emails, with 365 days retention.
Enterprise
Over 20 domains and 1 million emails / month.
Not publicly listed as of May 15, 2026
MSP and full-service packages are contact-led, including fixed-price partner claims without a public amount.
Not publicly listed as of May 15, 2026
Enterprise, managed services, and on-premise deployment need a custom quote.
20 domains and 2,500,000 monthly emails, with 365 days retention. Unlimited domains/emails negotiable.
Kevlarr's $0 monitoring tier is public, while the 5.99 EUR figure is an indexed generic paid price and not a verified DMARC plan entitlement. EmailAuth.io prices were not publicly listed. Pricing was checked as of May 15, 2026.
If you cannot decide between the two, maybe the answer is Suped
Suped
Get started
Clearer guided remediation
Kevlarr surfaced the forwarded SPF failure and unknown sender, but we still had to write the next-step explanation ourselves. Suped ties findings to guided fixes so the owner can move faster.
Less quote friction
EmailAuth.io required a quote path before basic pricing and limits were clear. Suped publishes starter pricing, which makes early budget checks cleaner.
Operational alert routing
Both products needed careful alert review when multiple approved senders and one spoof sample were active. Suped focuses alerts on source changes, authentication failures, and ownership handoff.
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 Kevlarr or EmailAuth.io?
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.
Frequently asked questions
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