Mail Tower vs.
DMARC360 in 2026
Mail Tower
DMARC360
vs.
We tested Mail Tower and DMARC360 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 felt tighter for straightforward DMARC reporting and low-cost domain monitoring, while DMARC360 gave us broader automation, volume headroom, and a stronger evidence trail for teams already operating security programs.
Published 4 Nov 2025
Updated 31 May 2026
8 min read
Summarize with
Mail Tower
Practical DMARC reporting for small and mid-sized organizations
Starts at
From 10€ / month
Best fit
Lean teams that want low-cost DMARC visibility without volume-based pricing
In one line
Mail Tower made the approved Microsoft 365, Google Workspace, SendGrid, and Mailchimp sources easy enough to monitor, but policy movement and sender ownership still needed manual judgment.
DMARC360
DMARC reporting inside a broader external risk platform
Starts at
Free plan available
Best fit
Security-led teams that want DMARC tied to automated issue detection and wider domain risk context
In one line
DMARC360 handled our higher-volume cases and spoof sample with more automation, though its broader portal added navigation overhead for a pure DMARC workflow.
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 Mail Tower for simple reporting or DMARC360 for automation
Pick Mail Tower if
Best for cost-sensitive teams that can own the DMARC decisions
The three-domain setup was quick once DNS records were ready, and the parked domain was easy to keep separate from active senders.
Microsoft 365 and Google Workspace were readable in the report views, but the unknown sender needed manual naming and owner notes.
The forwarded mail SPF failure was visible, though we had to explain the authentication edge case outside the product workflow.
From 10€ / month
Pick DMARC360 if
Best for security teams that want DMARC tied to automated risk handling
The spoof sample was surfaced with clearer issue context, which made escalation easier for the security queue.
SendGrid and Mailchimp traffic became easier to separate once the platform had enough aggregate data.
The Basic and higher tiers fit our 100k-message test pattern better than the free tier or Restricted tier.
Free plan available
Consider Suped if
Use Suped when guided fixes, hosted records, and clearer ownership matter more than raw report views
Suped's guided fixes help convert SPF, DKIM, and DMARC findings into owner-ready next steps instead of leaving teams to infer the remediation path.
Automated issue detection and sending source identification are useful buying criteria when unknown senders and authentication edge cases appear every week.
Published starter pricing and MSP workflows make it easier to plan client rollouts without waiting for a proposal cycle.
Free plan available
The differences that actually change your week
Mail Tower
DMARC360
Suped
DMARC report analysis
Aggregate report parsing, source views, and authentication result review.
Supported, reporting-first workflow
Supported, broader risk context
Supported
Source detection
Grouping raw IPs and domains into recognizable sending services.
Partial, some manual classification
Supported with automation
Supported
Forward detection
Explaining SPF failures caused by forwarding and authentication breakage.
Visible, manual workflow
Supported with clearer context
Supported
Spoof detection
Flagging unauthorized traffic that claims the protected domain.
Supported in reports
Supported with issue context
Supported
Notifications and alerts
Operational alerts for new failures, suspicious senders, and policy risks.
Basic alerting
Supported, some noise control
Supported
Reporting
Exports, scheduled summaries, and evidence for stakeholders.
Supported with exports
Supported with richer reports
Supported
API
Programmatic access for data pulls or operational integration.
Large tier or add on
Available on paid tiers
Supported
Multi-tenancy
Separating clients, domains, and account-level reporting.
MSP plan, pricing unclear
Enterprise account structure
Supported
SPF flattening
Managing SPF lookup limits through flattened or hosted SPF records.
Not supported
Not tested
Supported
Hosted DMARC
Hosting or managing DMARC policy records inside the product.
Not supported
Not tested
Supported
Hosted SPF
Hosted SPF record management rather than advisory-only reporting.
Not supported
Not tested
Supported
Hosted MTA-STS
Managed MTA-STS and related TLS reporting workflow.
Not supported
Not tested
Supported
Blocklists and reputation
Blocklist and blacklist monitoring tied to sending reputation review.
Not supported
Supported in wider platform
Supported
Automatic issue detection
Automatic detection of authentication issues and risky sender patterns.
Manual workflow
Supported by tier
Supported
AI copilot
AI assistance for investigation, classification, or remediation guidance.
Not supported
Not tested
Supported
DNS monitoring
Monitoring DNS changes that affect authentication posture.
Partial through DMARC setup
Supported in platform
Supported
Self hostable
Ability to run the product on your own infrastructure.
Not supported
Not supported
Not supported
Free trial/free tier
Public entry point for evaluation without a full paid commitment.
No free tier listed
Free Community Edition
Supported
Ten dimensions, scored from 0 to 10
We scored each product against a fixed editorial rubric based on the same 90-day setup, sender mix, authentication cases, alert review, support handoff, and pricing review. Higher is better in every row, and unsupported feature areas receive 0.0.
Mail Tower is efficient for reporting basics, while DMARC360 scores higher where automation and enterprise context matter.
Mail Tower performed well on setup speed, report visibility, and low-cost monitoring, especially for the corporate domain and parked domain. Its weaker scores came from manual sender classification, limited operational integrations, and unsupported hosted SPF, hosted MTA-STS, and blocklist monitoring. DMARC360 scored higher on automated issue detection, support handoff, and broader risk context, but its portal took longer to narrow down to a pure DMARC enforcement plan.
Mail Tower score
49.5/100
DMARC360 score
64.5/100
Mail Tower
49.5/100
DMARC enforcement
6.5
Customer support
6.0
Source resolution
6.0
Setup and onboarding
7.5
MSP workflows
5.0
Alerting and integrations
4.0
Hosted SPF and MTA-STS
0.0
Blocklist monitoring
0.0
Pricing transparency
8.0
Time to enforcement
6.5
DMARC360
64.5/100
DMARC enforcement
7.5
Customer support
8.0
Source resolution
7.5
Setup and onboarding
7.0
MSP workflows
6.5
Alerting and integrations
7.0
Hosted SPF and MTA-STS
0.0
Blocklist monitoring
7.5
Pricing transparency
6.5
Time to enforcement
7.0
Feature set
Reporting depth vs automation breadth
DMARC360 has the broader feature set, while Mail Tower stays cleaner for core DMARC reporting.
Mail Tower covered the reporting job without asking us to work through a larger security platform. DMARC360 gave us stronger automated issue detection and more context around suspicious traffic, which matters when buyers want guided fixes rather than only report interpretation.
Mail Tower
Microsoft 365 readable quickly
Parked domain stayed separate
Unknown sender needed notes
DMARC360
Spoof case surfaced clearly
SendGrid grouped with context
Mismatch case explained better
Mail Tower gave us clear enough views for Microsoft 365, Google Workspace, SendGrid, and Mailchimp once the three domains were sending reports. The SPF pass with domain match and DKIM pass with domain match were simple to confirm, and the parked domain was easy to watch for unexpected traffic. The weaker point was the unknown sender: we could classify it, but the product did not push us toward an owner, fix, or policy decision without manual notes.
DMARC360 added more automation around the same sender mix and made the unauthorized spoof sample easier to separate from normal authentication noise. It handled the DKIM pass on a subdomain with clearer source context, and it tied the SPF pass with visible from mismatch to a more useful issue trail. The tradeoff was breadth: DMARC reporting sat inside a wider external risk product, so a pure DMARC operator had more navigation to manage.
User experience
Focused workflow vs broader console
Mail Tower was faster to learn, but DMARC360 gave better context once we found the right view.
Mail Tower's UX made the three-domain onboarding feel direct, especially for the primary corporate domain and parked domain. DMARC360 required more orientation, but it gave better explanations for the unknown sender and the forwarded mail SPF failure after the investigation view was configured.
Mail Tower
Three domains added quickly
Unknown sender visible
Forwarding reason stayed manual
DMARC360
More context after setup
Unknown sender easier triage
Broader console adds clicks
Mail Tower's setup flow was short: add each domain, publish the DMARC record, wait for aggregate reports, then review source rows. The marketing subdomain was easy to distinguish from the corporate domain, and the unknown sender was visible in the source list. The forwarded mail SPF failure still needed a human explanation because the product showed the failure more clearly than the forwarding reason.
DMARC360 took longer to orient because the DMARC workflow shares space with broader cyber risk modules. Once configured, it made the unknown sender easier to triage and gave more useful context for the forwarded mail case where SPF failed but DKIM domain match preserved a valid path. The extra context helped, but daily operators focused only on DMARC had to filter more aggressively.
Support
Self-directed setup vs guided escalation
DMARC360 gave us stronger support paths, while Mail Tower fit teams comfortable with DNS work.
Mail Tower's support expectations matched a self-directed product: the DNS handoff was straightforward if the administrator already understood SPF, DKIM, and DMARC. DMARC360's paid tiers offered a clearer route for calls, online meetings, and escalation, which mattered when we needed to explain the spoof sample and the visible from mismatch to non-DMARC stakeholders.
Mail Tower
DNS steps were clear
Self-directed setup fit
Enterprise path less explicit
DMARC360
Calls on paid plans
Escalation path clearer
Proposal scoping required
Mail Tower was easiest when we treated support as a backstop rather than a primary workflow. The DMARC record steps were clear enough for our three domains, and SendGrid plus Mailchimp domain-match checks did not need heavy assistance. For enterprise onboarding, the lack of a detailed public support path meant we would plan our own DNS change notes, stakeholder handoff, and policy approval process.
DMARC360 had the stronger support model for a buyer that expects help during setup and escalation. The published paid support model includes email, calls, and online meetings, and the platform's broader issue context made the spoof sample easier to hand to a security stakeholder. The tradeoff was procurement and scoping: enterprise onboarding depended more on proposal details and brand or domain boundaries.
Suitability
Lean DMARC vs security operations
Mail Tower fits lean DMARC owners, while DMARC360 fits security-led organizations with broader risk workflows.
Mail Tower is the easier fit for SMBs that need recurring reports, clear domain grouping, and predictable monthly pricing. DMARC360 is better for teams that want DMARC inside a broader security workflow, but buyers should test alert quality and MSP workflows carefully if they manage many clients or need clean handoff notes.
Mail Tower
SMB reporting fit
Simple domain grouping
MSP terms need scoping
DMARC360
Enterprise security fit
Broader issue handoff
SMB workflow heavier
Mail Tower worked best when one team owned a small set of domains and did not need complex account separation. The corporate domain, marketing subdomain, and parked domain stayed understandable, and recurring reports were enough for a monthly review. For MSP use, the custom plan means the fit depends on how client grouping, handoff notes, and access boundaries are scoped during purchase.
DMARC360 fit better when DMARC was part of a wider security operations motion. Domain grouping was more flexible in an enterprise context, and the issue trail helped when handing the spoof sample to security reviewers. For SMBs, the broader product added overhead; for MSPs, the strongest fit depends on account separation, recurring client reports, and alert routing requirements being confirmed up front.
What each tool feels like after 90 days of real use
Mail Tower
A focused DMARC reporting tool for teams that already know the fix path
After 90 days, Mail Tower felt like a practical DMARC reporting workspace. We could check Microsoft 365 and Google Workspace domain match quickly, keep the parked domain under watch, and confirm that SendGrid and Mailchimp were not drifting once the correct DKIM records were active.
The friction appeared when the workflow needed interpretation instead of visibility. The SPF pass with visible from mismatch, the forwarded mail SPF failure, and the unknown sender all appeared in the data, but ownership, explanation, and policy movement required our own operating notes.
Where it wins
Low public entry price
Simple three-domain setup
Unlimited aggregate reports on paid tiers
Clear fit for self-directed teams
Where it lags
No public free tier
Manual unknown sender classification
No hosted SPF or MTA-STS
Limited security workflow context
Pricing
From 10€ / month
Free tier
No
Onboarding
Fast DNS-led setup
G2 rating
0.0 / 5
DMARC360
A broader security platform with stronger DMARC automation and more operational overhead
After 90 days, DMARC360 felt stronger when the test cases crossed into investigation work. The unauthorized spoof sample, the visible from mismatch, and the unknown sender had better context than a raw report table, and the platform gave us more confidence when preparing an escalation note.
The product also asked more from the operator. A team focused only on DMARC had to work around broader external risk views, and pricing changed shape by active sending domains, email volume, retention, automation level, and proposal details.
Where it wins
Free Community Edition
Automated issue detection by tier
Higher-volume public tiers
Strong security handoff context
Where it lags
Broader portal adds navigation
Proposal flow for paid plans
Hosted SPF not tested
Overage details not public
Pricing
Free plan available
Free tier
Yes
Onboarding
More guided, more setup
G2 rating
4.7 / 5
Pricing
Mail Tower
DMARC360
Suped
Small
1 domain, up to 1k emails / month.
10€ / month
Small Enterprises includes 5 active domains and unlimited aggregate reports, so this test size fits easily.
$0
Community Edition covers 1 sending domain and 5,000 emails per month with limited automation.
$0 / month
Free plan covers 1 domain and 1,000 monthly emails.
Medium
2 domains, up to 100k emails / month.
10€ / month
Small Enterprises still covers 5 active domains, with employee count being the practical plan boundary.
From $300 / year
Restricted starts at 2 sending domains and 100,000 emails per month, with proposal-based purchase.
Entry plan covers 2 domains and 100,000 monthly emails, with 90 days retention.
Large
10 domains, up to 1 million emails / month.
20€ / month
Medium Enterprises includes 10 active domains, though API access is not included on the live table.
From $2,000 / year
Basic starts at 5 sending domains and 1 million emails per month, so 10 domains needs scoping.
10 domains and 1,000,000 monthly emails, with 365 days retention.
Enterprise
Over 20 domains and 1 million emails / month.
From 50€ / month
Large Enterprises includes 25 active domains and API access; MSP needs custom pricing.
From $8,000 / year
Enterprise starts at 12+ sending domains with unlimited volume, with final terms set by proposal.
20 domains and 2,500,000 monthly emails, with 365 days retention. Unlimited domains/emails negotiable.
Pricing was checked as of May 15, 2026. Mail Tower prices are public list prices in euros, while DMARC360 prices are public annual starting prices with proposal-based final costs. Segment mapping is estimated where domain count, email volume, employee bands, or proposal scoping do not line up exactly.
If you cannot decide between the two, maybe the answer is Suped
Suped
Get started
Turn findings into fixes
Mail Tower showed the unknown sender, forwarded SPF failure, and visible from mismatch, but we still had to write the owner notes and remediation path. Suped is built to attach guided fixes to those authentication findings.
Keep DMARC work focused
DMARC360 gave useful security context, but a pure DMARC operator had to filter through a broader risk console. Suped keeps source identification, policy movement, and DNS authentication work in the DMARC workflow.
Plan MSP rollouts upfront
Mail Tower's MSP pricing was custom, and DMARC360's paid plans depend on proposal scoping. Suped publishes starter business pricing and a per-domain MSP model, which makes client packaging easier to model before rollout.
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 DMARC360?
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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