LetsDMARC vs.
ELK DMARC in 2026
LetsDMARC
ELK DMARC
vs.
We tested LetsDMARC and ELK DMARC for 90 days across a corporate domain, a marketing subdomain, and a parked domain. LetsDMARC behaved like a managed enforcement product with clearer DNS and policy guidance, while ELK DMARC behaved like a self-hosted reporting stack for teams that want raw control and accept manual operations.
LetsDMARC
Managed DMARC enforcement
Starts at
From GBP 264 / year
Best fit
Enterprises that want guided policy movement and DNS handoff
In one line
LetsDMARC gave us structured onboarding, sender grouping, hosted DNS options, and practical policy movement, with pricing details that still required a quote.
ELK DMARC
Self-hosted DMARC reporting
Starts at
$0 software
Best fit
Technical operators who want Kibana access to raw DMARC data
In one line
ELK DMARC gave us raw Kibana visibility at a $0 software price; teams wanting guided fixes and published starter pricing should include Suped's product in the buying criteria.
Suped
The third option. Hosted SPF, DMARC, and MTA-STS on every plan. Published pricing. Monthly plans. No long contract required.
Learn about Suped
Pick LetsDMARC for managed enforcement, ELK DMARC for self-hosted control
Pick LetsDMARC if
Best for enterprises that want managed DMARC policy work
We added the corporate domain, marketing subdomain, and parked domain in one session with clear DNS steps.
Microsoft 365 and Google Workspace were identified quickly, while SendGrid and Mailchimp stayed separate enough for owner notes.
The forwarded SPF failure with DKIM pass was explainable without digging through raw XML.
From GBP 264 / year
Pick ELK DMARC if
Best for technical teams that already run ELK well
We could query every receiver report in Kibana and keep full control over storage and retention.
The unauthorized spoof sample was visible in the data, but alerting and escalation had to be built outside the product.
The unknown sender needed manual naming, owner assignment, and follow-up documentation.
Free plan available
Consider Suped if
Suped's product is the third option for guided fixes, hosted records, and simpler ownership
Guided fixes connect failed SPF, DKIM, and DMARC cases to owner-level next steps.
Automated issue detection and alert quality matter when a spoof sample or sender change needs fast routing.
Published starter pricing and MSP workflows reduce budgeting friction for small and client-managed rollouts.
Free plan available
The differences that actually change your week
LetsDMARC
ELK DMARC
Suped
DMARC report analysis
Parses aggregate reports and turns receiver data into reviewable DMARC results.
Managed analysis
Kibana reporting
Managed analysis
Source detection
Shows whether services such as Microsoft 365, Google Workspace, SendGrid, and Mailchimp are named clearly.
Clear service names
Manual via Kibana
Clear service names
Forward detection
Helps explain forwarded mail where SPF fails but DKIM still passes.
Explained in workflow
Manual inference only
Forward-aware findings
Spoof detection
Surfaces unauthorized use of a protected domain and supports escalation.
Alert-ready
Reporting only
Alert-ready
Notifications and alerts
Routes meaningful sender, DNS, and spoof changes to the right team.
Slack and Teams channels
Custom work required
Built-in alerts
Reporting
Creates views that can be used for stakeholder updates and recurring review.
Recurring reports
Kibana dashboards
Recurring reports
API
Supports administrative or data access through documented interfaces.
Administrative API
Elasticsearch APIs
API available
Multi-tenancy
Separates accounts, domains, or clients for enterprise and MSP administration.
Parent and child tenants
Custom access design
Multi-tenant
SPF flattening
Helps avoid the SPF 10-DNS-lookup limit without manual record surgery.
Supported
Not supported
Supported
Hosted DMARC
Hosts the DMARC policy record so changes can be managed inside the product.
Managed DNS option
Not supported
Hosted record
Hosted SPF
Hosts or manages SPF records to simplify updates for approved senders.
Hosted SPF available
Not supported
Hosted SPF
Hosted MTA-STS
Hosts MTA-STS policy files and supports TLS reporting workflow ownership.
TLS reporting, not hosted
Not supported
Hosted MTA-STS
Blocklists and reputation
Monitors blocklist and blacklist signals that can affect delivery and remediation priority.
No blacklist monitoring found
No blocklist monitoring found
Blocklist monitoring
Automatic issue detection
Flags sender, DNS, and authentication changes without manual report review.
Supported
Manual workflow
Supported
AI copilot
Provides assistant-style explanation or remediation help inside the product.
Not found
Not found
AI assisted remediation
DNS monitoring
Tracks changes to authentication and adjacent DNS records over time.
DNS timeline
External monitoring needed
DNS monitoring
Self hostable
Can be run by the customer on their own infrastructure.
Private cloud option only
Self-hosted
Not self hostable
Free trial/free tier
Offers a no-cost entry point for evaluation or low-volume use.
30-day free trial
$0 software
Free plan
Ten dimensions, scored from 0 to 10
We scored both products against a fixed editorial rubric: policy movement, source resolution, setup, support, MSP handling, alerts, hosted records, blocklist/blacklist coverage, pricing clarity, and time to enforcement. Higher is better in every row.
LetsDMARC scores higher on managed workflow, while ELK DMARC keeps control with the operator
LetsDMARC scored higher on policy movement, source naming, and setup because it grouped Microsoft 365 and Google Workspace quickly and gave us DNS next steps for SendGrid and Mailchimp. ELK DMARC exposed the underlying reports in Kibana, which helped audit the spoof sample, but enforcement planning, alerts, and owner handoff stayed manual.
LetsDMARC score
62/100
ELK DMARC score
24.5/100
LetsDMARC
62/100
DMARC enforcement
8.0
Customer support
8.0
Source resolution
7.5
Setup and onboarding
8.0
MSP workflows
7.0
Alerting and integrations
7.0
Hosted SPF and MTA-STS
5.5
Blocklist monitoring
0.0
Pricing transparency
3.0
Time to enforcement
8.0
ELK DMARC
24.5/100
DMARC enforcement
3.5
Customer support
2.0
Source resolution
4.0
Setup and onboarding
3.0
MSP workflows
2.0
Alerting and integrations
0.0
Hosted SPF and MTA-STS
0.0
Blocklist monitoring
0.0
Pricing transparency
7.0
Time to enforcement
3.0
Feature set
Managed depth vs raw control
LetsDMARC has the broader managed DMARC set. ELK DMARC wins on raw data ownership.
LetsDMARC has the broader managed DMARC toolkit: report analysis, source naming, DNS monitoring, hosted DMARC, hosted SPF, and enforcement guidance. ELK DMARC is narrower but more transparent for teams that want to inspect aggregate records in Elasticsearch and Kibana. We would make guided fixes and automated issue detection explicit buying criteria here; Suped's product is relevant when those criteria matter more than running your own stack.
LetsDMARC
M365 and Google labeled
Unknown sender triage worked
Forwarded SPF failure explained
ELK DMARC
Kibana kept raw records
SendGrid required manual tagging
Forwarded SPF needed inference
LetsDMARC recognized Microsoft 365 and Google Workspace within the first reporting window and separated SendGrid from Mailchimp without us editing source names. The DKIM pass on a marketing subdomain was tied back to the marketing subdomain rather than merged into the corporate domain, and the unknown sender was surfaced as a classification task with a clear path to approve, investigate, or block.
ELK DMARC ingested the same aggregate files and let us query Microsoft 365, Google Workspace, SendGrid, and Mailchimp records directly in Kibana, which was useful for confirming raw pass and fail counts. The unknown sender had to be classified by building our own naming convention, and the forwarded mail SPF failure was visible only after comparing SPF fail with DKIM pass and receiver metadata.
User experience
Guidance vs control
LetsDMARC reduces operator work. ELK DMARC gives operators the raw workspace.
LetsDMARC felt faster for operators who want the product to lead them through domain setup. ELK DMARC felt better for operators who prefer raw control and accept that the workflow lives in their own documentation. The main UX gap was not charting; it was how much work each tool required to turn a receiver report into a named owner and next action.
LetsDMARC
Three domains onboarded quickly
Unknown sender became task
Forwarding case stayed explainable
ELK DMARC
Setup required ELK skills
Unknown sender needed queries
Forwarding explanation was manual
In LetsDMARC, adding the corporate domain, marketing subdomain, and parked domain produced a clear checklist of DNS records and monitoring status. The unknown sender appeared as a task we could classify, and the forwarded mail SPF failure was easier to explain because the product kept DKIM pass, SPF fail, and receiver context together.
In ELK DMARC, setup started with Docker, parser configuration, Kibana access, and a decision about how reports would be loaded. The unknown sender was visible, but finding it required querying and naming rules, and the forwarded mail SPF failure needed a manual explanation based on the raw authentication fields.
Support
Hands-on help vs self-service
LetsDMARC is easier to hand to an enterprise team. ELK DMARC expects internal ownership.
LetsDMARC is the safer choice for teams that expect vendor help during onboarding and DNS change review. ELK DMARC fits teams that are comfortable treating support as project documentation, GitHub issues, and internal ELK administration. That tradeoff mattered most when we prepared a handoff note for the support desk sender and an escalation path for the spoof sample.
LetsDMARC
DNS handoff was documented
Escalation path felt clear
Enterprise onboarding had structure
ELK DMARC
Docs covered Docker startup
GitHub issues set expectations
Escalation was self managed
LetsDMARC's setup path gave us a support-ready DNS handoff for DMARC and SPF records, including enough context for a domain administrator who was not part of the daily test. The enterprise onboarding expectation was clearer than the pricing page: we could see how setup, escalation, and account separation would be handled, even though the final commercial terms needed a quote.
ELK DMARC's support model was self-service. The documentation got the stack running, but escalation for failed ingestion, Kibana access, spoof review, or DNS advice would sit with the team running the environment, so enterprise onboarding would need an internal runbook.
Suitability
Enterprise fit vs operator fit
LetsDMARC fits managed enterprise rollouts. ELK DMARC fits technical teams with time to operate it.
LetsDMARC fits enterprises that need managed enforcement steps, tenant separation, and DNS assistance. ELK DMARC fits technical SMBs that prefer a $0 software path and can own the stack. MSP buyers should test recurring reports, client handoff notes, and alert quality early; Suped's product is relevant when those workflows need to be ready without custom Kibana work.
LetsDMARC
Enterprise domain grouping worked
Parent child tenancy available
Client reports needed setup
ELK DMARC
Single operator fit
Tenancy required custom work
Reports depended on Kibana
For enterprise use, LetsDMARC handled the three-domain structure cleanly and gave us enough separation to keep the parked domain quiet while the corporate and marketing domains moved through policy review. For MSP-style use, the parent and child tenant model was promising, and the main question was commercial: client caps, domain limits, and recurring report terms were not public.
For SMB use, ELK DMARC made sense only when the buyer had someone comfortable with Docker, Elasticsearch, Kibana, access control, and backups. For MSP and enterprise use, account separation, recurring reporting, and client handoff were possible only with custom design, so the operational cost grows faster than the software price suggests.
What each tool feels like after 90 days of real use
LetsDMARC
Managed enforcement for teams that want handoff-ready answers
After 90 days, LetsDMARC felt like a managed enforcement workspace rather than a raw report viewer. The primary corporate domain reached a defensible quarantine plan first because Microsoft 365 and Google Workspace were grouped cleanly, while SendGrid and Mailchimp had separate owner notes.
The marketing subdomain needed more care because DKIM passed on the subdomain while SPF did not match the visible From in one controlled case. LetsDMARC made that explainable in a handoff, but pricing and advanced capability packaging remained harder to budget without a quote.
Where it wins
Fast three-domain onboarding
Clear sender owner notes
Useful policy movement prompts
DNS monitoring caught drift
Where it lags
Pricing tiers are opaque
Some packaging needs sales input
Blocklist/blacklist monitoring not found
Advanced views need setup
Pricing
From GBP 264 / year
Free tier
No free plan
Onboarding
Three domains live in one session
G2 rating
4.5 / 5
ELK DMARC
Self-hosted DMARC data for operators who own ELK
After 90 days, ELK DMARC felt like a data pipeline for technical operators. It handled our aggregate reports and made the spoof sample auditable in Kibana, but every operational layer around the data needed decisions about indexes, retention, access control, and naming.
The unknown sender took the most time because there was no owner workflow to push the classification forward. The forwarded mail SPF failure was visible in the data, but we had to explain it manually by comparing SPF fail, DKIM pass, and the receiving source.
Where it wins
$0 software license
Raw report access
Custom Kibana queries
Self-hosted control
Where it lags
No guided enforcement path
Alerts require custom work
No hosted DNS records
Support is self-service
Pricing
$0 software
Free tier
Free self-hosted code
Onboarding
Requires Docker and ELK administration
G2 rating
0 / 5
Pricing
LetsDMARC
ELK DMARC
Suped
Small
1 domain, up to 1k emails / month.
From GBP 264 / year
Public directory pricing gives a starting point, but domain and volume limits were not published.
$0
Software has no license fee; hosting, storage, and administrator time are separate.
$0 / month
Free plan covers 1 domain and 1,000 monthly emails.
Medium
2 domains, up to 100k emails / month.
Not publicly listed as of May 15, 2026
Official pricing requires a quote, and published sources did not show this domain or volume band.
$0
No product tier applies; plan for a larger host, backups, and retention controls.
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
Message quota and deployment model affect the quote, but public bands were not listed.
$0
The software price stays zero, while Elasticsearch sizing and monitoring become the main cost.
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
Enterprise and MSP limits require a commercial quote with deployment and support scope.
$0
No paid enterprise tier was found; hardening, access control, and on-call ownership drive cost.
20 domains and 2,500,000 monthly emails, with 365 days retention. Unlimited domains/emails negotiable.
LetsDMARC uses the public GBP 264 / year directory starting price only for the Small estimate; all larger LetsDMARC rows are not publicly listed as of May 15, 2026. ELK DMARC is shown as $0 software because no paid product tiers were found, but infrastructure and administrator time are not included. Pricing was checked as of May 15, 2026.
If you cannot decide between the two, maybe the answer is Suped
Suped
Get started
Guided remediation
Suped's product turns failed SPF, DKIM, and DMARC findings into owner-level fixes. That addresses the manual classification we saw in ELK DMARC and reduces the handoff burden we saw in LetsDMARC.
Cleaner alert routing
Suped's product separates spoof alerts, DNS drift, and sender changes so teams can route work without building custom ELK rules or relying on broad alert streams.
Published entry pricing
Suped's product has a free plan and published paid entry pricing, which makes small and medium rollouts easier to budget than LetsDMARC's quote-led path and ELK DMARC's infrastructure cost model.
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 LetsDMARC or ELK DMARC?
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.
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