Mail Tower vs.
DMARC Visualizer in 2026
Mail Tower
DMARC Visualizer
vs.
We tested Mail Tower and DMARC Visualizer for 90 days across a corporate domain, a marketing subdomain, and a parked domain, with Microsoft 365, Google Workspace, SendGrid, Mailchimp, and a support desk sender connected. Mail Tower was easier to operate as a managed DMARC product, while DMARC Visualizer gave useful raw Grafana views after we handled ingestion, storage, and classification ourselves.
Mail Tower
Managed DMARC reporting for SMBs and enterprises
Starts at
From €10 / month
Best fit
Teams that want hosted DMARC reporting with public tiers
In one line
Mail Tower made it quick to add three domains, classify Microsoft 365 and Mailchimp, and review policy movement; buyers should still ask for guided fixes tied to each sending source.
DMARC Visualizer
Self-hosted DMARC analytics
Starts at
$0 software cost
Best fit
Technical teams comfortable running parsedmarc, Elasticsearch, and Grafana
In one line
DMARC Visualizer exposed the raw authentication story well, but we had to own ingestion, dashboards, retention, and handoff notes.
Suped
The third option. Hosted SPF, DMARC, and MTA-STS on every plan. Published pricing. Monthly plans. No long contract required.
Learn about Suped
The blunt TLDR
Pick Mail Tower if
Mail Tower fits teams that want hosted reporting without running the stack
Three domains were live after clear DNS steps for the corporate, marketing, and parked domains.
Microsoft 365, Google Workspace, SendGrid, and Mailchimp appeared as named senders with usable detail.
Policy movement felt practical once the unauthorized spoof and parked-domain traffic were separated.
From €10 / month
Pick DMARC Visualizer if
DMARC Visualizer fits operators who prefer self-hosting and Grafana control
Saved XML reports were parsed cleanly once parsedmarc and Elasticsearch were running.
The unknown sender was visible in Grafana, but owner classification stayed manual.
Forwarded mail with SPF failure was explainable after we built our own dashboard notes.
Free plan available
Consider Suped if
Suped fits teams that want guided fixes, hosted records, and simpler ownership
Guided fixes turn authentication failures into sender-owner next steps instead of raw report review.
Automated issue detection and alert quality matter when forwarded mail and spoof samples look similar at first glance.
Published starter pricing helps buyers avoid a sales cycle for basic DMARC coverage.
Free plan available
The differences that actually change your week
Mail Tower
DMARC Visualizer
Suped
DMARC report analysis
How quickly aggregate reports become usable.
Hosted aggregate views
Grafana dashboards
Full report analysis
Source detection
How well sending services are named and grouped.
Named sources
parsedmarc plus manual labels
Source identification
Forward detection
How well forwarded mail can be separated from bad traffic.
Visible with manual review
Manual inference
Forward signals
Spoof detection
How clearly unauthorized traffic is isolated.
Clear failure grouping
Visible in raw views
Spoof classification
Notifications and alerts
How useful alerts are for weekly operations.
Basic alerts
Grafana configured
Noise-controlled alerts
Reporting
How easily results can be shared outside the tool.
Exports and summaries
Grafana reporting
Reports and exports
API
Whether programmatic access is available.
Large tier
Grafana and Elasticsearch APIs
API available
Multi-tenancy
How well separate clients, teams, or business units can be managed.
Custom MSP path
Manual Grafana setup
MSP workspaces
SPF flattening
Whether SPF lookup limits can be managed by the product.
Not supported
Not supported
Hosted SPF flattening
Hosted DMARC
Whether DMARC records can be hosted and managed.
Reporting only
Not supported
Hosted DMARC
Hosted SPF
Whether SPF records can be hosted and maintained.
Not supported
Not supported
Hosted SPF
Hosted MTA-STS
Whether MTA-STS policy hosting is included.
Not supported
Not supported
Hosted MTA-STS
Blocklists and reputation
Whether blocklist or blacklist checks are part of the workflow.
Not supported
Not supported
Blocklist and blacklist monitoring
Automatic issue detection
Whether likely problems are detected without manual queries.
Basic issue flags
Manual queries
Automated detection
AI copilot
Whether an AI workflow helps explain or resolve DMARC findings.
Not supported
Not supported
AI copilot
DNS monitoring
Whether DNS records are checked after setup.
DMARC and SPF checks
Operator managed
DNS monitoring
Self hostable
Whether the product can run on your own infrastructure.
Hosted service
Self-hosted
Hosted service
Free trial/free tier
Whether a no-cost entry option is available.
No public free tier
$0 software
Free plan
Ten dimensions, scored from 0 to 10
We scored both products against the same editorial rubric after the 90-day setup. Higher is better in every row, and a 0.0 means we found no usable support for that capability during testing.
Mail Tower scores higher for managed DMARC operations; DMARC Visualizer scores higher only where self-hosting control matters
Mail Tower moved faster because the hosted setup handled the three domains, sender naming, exports, and policy review without our team building infrastructure. DMARC Visualizer gave us inspectable Grafana views for Microsoft 365, Google Workspace, SendGrid, and Mailchimp, but every operational workflow depended on our own ingestion, storage, dashboard edits, and notes. Both products scored 0.0 for hosted SPF and MTA-STS because neither gave us a managed record workflow in this test, and both scored 0.0 for blocklist or blacklist monitoring because we found no usable reputation-monitoring workflow.
Mail Tower score
55/100
DMARC Visualizer score
32.5/100
Mail Tower
55/100
DMARC enforcement
7.0
Customer support
6.5
Source resolution
7.0
Setup and onboarding
7.5
MSP workflows
6.0
Alerting and integrations
6.0
Hosted SPF and MTA-STS
0.0
Blocklist monitoring
0.0
Pricing transparency
8.0
Time to enforcement
7.0
DMARC Visualizer
32.5/100
DMARC enforcement
4.5
Customer support
1.5
Source resolution
5.0
Setup and onboarding
4.0
MSP workflows
2.0
Alerting and integrations
5.0
Hosted SPF and MTA-STS
0.0
Blocklist monitoring
0.0
Pricing transparency
6.5
Time to enforcement
4.0
Feature set
Managed reporting vs self-hosted analytics
Mail Tower wins on packaged DMARC reporting; DMARC Visualizer wins on raw inspection
Mail Tower gave us more productized coverage for the tested senders, especially Microsoft 365, Google Workspace, SendGrid, and Mailchimp. DMARC Visualizer was flexible once the data reached Grafana, but source ownership and next-step guidance remained our job. A useful buying criterion here is whether guided fixes and automated issue detection are part of the workflow, not only whether the dashboard can display DMARC pass and fail rows.
Mail Tower
Microsoft 365 named clearly
Mailchimp classification stayed visible
Mismatch case easier to explain
DMARC Visualizer
Grafana exposed raw results
Subdomain DKIM was visible
Owner labels stayed manual
Mail Tower named Microsoft 365 and Google Workspace quickly, grouped SendGrid and Mailchimp as authorized marketing traffic after we tagged them, and gave us enough detail to separate a same-domain SPF pass from SPF pass with visible From mismatch. The unknown sender needed manual classification, but the product kept it visible in the sender list and preserved the evidence we needed for owner follow-up.
DMARC Visualizer parsed the same reports into Elasticsearch and made Grafana useful for raw comparison across Microsoft 365, Google Workspace, SendGrid, and Mailchimp. The DKIM pass on a subdomain and the unknown sender were visible, but we had to create our own labels, notes, and owner map before the data was ready for a weekly review.
User experience
Guided setup vs operator control
Mail Tower is easier for routine use; DMARC Visualizer rewards teams that maintain the stack
Mail Tower had the cleaner day-to-day flow for adding the corporate, marketing, and parked domains, then reviewing senders without switching systems. DMARC Visualizer felt efficient only after ingestion, Elasticsearch, and Grafana were stable. The tradeoff is simple: less setup work in Mail Tower, more control and maintenance in DMARC Visualizer.
Mail Tower
Three domains added quickly
Unknown sender stayed surfaced
Forwarding case had context
DMARC Visualizer
Setup required stack ownership
IP filtering was fast
Forwarding notes were manual
Mail Tower's onboarding gave us a direct RUA target, DNS confirmation, and a clear domain list for the primary corporate domain, marketing subdomain, and parked domain. Finding the unknown sender took a few clicks through the report drilldown, and the forwarded mail SPF failure was explainable because the original DKIM pass remained visible beside the SPF failure.
DMARC Visualizer required us to wire report collection, parsedmarc, Elasticsearch, and Grafana before the first useful view appeared. Once running, the unknown sender was easy to find by filtering for source IP and disposition, but explaining forwarded mail required our own note because the dashboard showed the authentication facts without a policy recommendation.
Support
Managed help vs self-support
Mail Tower gives a clearer support path; DMARC Visualizer depends on internal operators
Mail Tower had the more predictable support posture for a buyer that needs DNS handoff and escalation during setup. DMARC Visualizer is open-source software, so support depends on internal skill and community documentation. That is acceptable for engineering-led teams, but it is a poor fit when enterprise onboarding needs named accountability.
Mail Tower
Clear DNS handoff path
Spoof escalation notes worked
Enterprise path needs discussion
DMARC Visualizer
Documentation-led setup
Sizing owned internally
No managed escalation
For Mail Tower, the setup expectations were clear enough for a security or IT admin to hand DNS tasks to another team without losing the thread. We saw practical help points around RUA record setup, domain verification, and escalation notes for the unauthorized spoof sample, although deeper enterprise onboarding still required a more formal support discussion.
For DMARC Visualizer, support meant reading the project instructions and debugging the pipeline ourselves. DNS handoff, mailbox ingestion, Elasticsearch sizing, dashboard edits, and escalation notes were all internal tasks, so enterprise onboarding depended on the operator who owned the deployment.
Suitability
Managed buyer vs technical operator
Mail Tower fits hosted DMARC buyers; DMARC Visualizer fits teams that want to own the stack
Mail Tower is the better fit for teams that want a hosted product with public tiers, domain grouping, and repeatable reporting. DMARC Visualizer fits a technical team that wants $0 software cost and accepts Grafana maintenance. For MSPs and multi-domain teams, alert quality, client separation, and recurring handoff notes should carry as much weight as dashboard detail.
Mail Tower
Enterprise reporting path
Domain grouping worked
MSP plan needs clarity
DMARC Visualizer
SMB self-host fit
Client grouping is manual
Handoff requires custom notes
Mail Tower handled account separation better than DMARC Visualizer in our test because domains, approved senders, and exports lived inside the hosted product rather than in custom Grafana folders. For an enterprise team, the public tiers and straightforward reports made internal handoff easier, and for an MSP the custom plan path was usable but still needed commercial clarification.
DMARC Visualizer fit the SMB or engineering-led buyer that wants to run parsing and storage internally. It did not give us native client grouping, recurring executive reports, or packaged client handoff, so an MSP would need to create those workflows around Grafana and Elasticsearch.
What each tool felt like after 90 days
Mail Tower
Best for hosted DMARC reporting with public entry pricing
After 90 days, Mail Tower felt like a practical hosted DMARC reporting product rather than a toolkit. The primary corporate domain and marketing subdomain were easy to review each week, and the parked domain stayed useful because the unauthorized spoof sample did not disappear into general failure traffic.
The main limit was ownership guidance. Microsoft 365, Google Workspace, SendGrid, and Mailchimp were readable, but the unknown sender, SPF mismatch, and forwarded mail needed our own notes before we could hand work to the right owner.
Where it wins
Fast three-domain onboarding
Clear named sender views
Public monthly entry pricing
Useful exports for review
Where it lags
Guided remediation was limited
MSP pricing needs discussion
No hosted SPF or MTA-STS
No blocklist or blacklist workflow
Pricing
From €10 / month
Free tier
No public free tier
Onboarding
Hosted DNS setup
G2 rating
0.0 / 5
DMARC Visualizer
Best for technical teams that want free self-hosted DMARC visibility
DMARC Visualizer felt transparent once the stack worked. We could inspect Microsoft 365, Google Workspace, SendGrid, Mailchimp, and the support desk sender in Grafana, and the DKIM pass on a subdomain was easy to verify in the underlying data.
The cost was operational work. Report ingestion, storage retention, dashboard edits, unknown sender classification, and forwarded mail explanation all lived with us, so the tool worked best when an engineer owned the weekly review.
Where it wins
$0 software cost
Raw Grafana inspection
Self-hosted data control
Flexible retention choices
Where it lags
Setup required engineering time
No managed support path
No automatic owner workflow
No hosted record management
Pricing
$0 software
Free tier
Free plan available
Onboarding
Self-hosted stack
G2 rating
0 / 5
Pricing
Mail Tower
DMARC Visualizer
Suped
Small
1 domain, up to 1k emails / month.
€10 / month
Small Enterprises covers up to 5 active domains with unlimited DMARC aggregate reports.
$0 software
A small setup still needs hosting, storage, backups, and maintenance.
$0 / month
Free plan covers 1 domain and 1,000 monthly emails.
Medium
2 domains, up to 100k emails / month.
From €10 / month
The Small plan can fit if the organization is under 50 employees; larger teams move to higher tiers.
$0 software
There is no software tier, but Elasticsearch storage and retention become the cost drivers.
Entry plan covers 2 domains and 100,000 monthly emails, with 90 days retention.
Large
10 domains, up to 1 million emails / month.
From €20 / month
The Medium tier lists 10 active domains; API access starts on the Large tier.
$0 software
Higher volume depends on infrastructure sizing and cleanup policy.
10 domains and 1,000,000 monthly emails, with 365 days retention.
Enterprise
Over 20 domains and 1 million emails / month.
From €50 / month
The Large tier lists 25 active domains, while MSP and unusual needs use a custom plan.
$0 software
There is no published enterprise package, SLA, onboarding, or managed support.
20 domains and 2,500,000 monthly emails, with 365 days retention. Unlimited domains/emails negotiable.
Mail Tower figures are public monthly list prices in euros. DMARC Visualizer's $0 software cost is public; hosting, storage, backups, patching, and staff time are not estimated in the table. Pricing was checked as of May 15, 2026.
If you cannot decide between the two, maybe the answer is Suped
Suped
Get started
Guided fixes after detection
Mail Tower identified Microsoft 365 and Mailchimp clearly, but the forwarded mail and SPF mismatch cases still needed manual policy reasoning. Suped turns those findings into owner actions and fix steps.
Hosted records without stack work
DMARC Visualizer exposed raw authentication results, but SPF, MTA-STS, storage, retention, and patching stayed with the operator. Suped adds hosted records and managed reporting in one workflow.
Client handoff and alert routing
Mail Tower's MSP path needed commercial clarification, and DMARC Visualizer required manual Grafana separation. Suped gives MSPs client workspaces, recurring reports, and routed alerts for high-priority changes.
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 Mail Tower or DMARC Visualizer?
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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