Mail Tower vs.
GoDMARC in 2026
Mail Tower
GoDMARC
vs.
We tested Mail Tower and GoDMARC for 90 days across a corporate domain, a marketing subdomain, and a parked domain. Mail Tower felt cleaner for straightforward DMARC reporting and policy movement, while GoDMARC covered more adjacent security checks, including blacklist (blocklist) and reputation data.
Mail Tower
DMARC reporting for lean security teams
Starts at
From 10€ / month
Best fit
Small and mid-market teams that want low-cost DMARC visibility without volume pricing
In one line
Mail Tower gave us clean aggregate report views and sensible policy movement, but sender ownership and guided fixes still depended on our own notes.
GoDMARC
DMARC protection with reputation checks
Starts at
Free plan available
Best fit
Security teams that want DMARC reporting plus blacklist (blocklist), IP reputation, and DNS history in one account
In one line
GoDMARC found more security-adjacent signals during the test, but its plan limits and domain rules needed closer reading before rollout.
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 clean reporting, GoDMARC for broader security context
Pick Mail Tower if
Best for teams that know their senders and need economical DMARC reporting
Microsoft 365 and Google Workspace were easy to separate once reports arrived.
SendGrid and Mailchimp alignment was readable without chasing report volume limits.
The parked domain stayed quiet, which made the spoof sample stand out quickly.
From 10€ / month
Pick GoDMARC if
Best for teams that want DMARC plus reputation checks around the same domain set
The unknown sender was easier to investigate because IP reputation and Whois sat nearby.
The forwarded SPF failure was visible, although the explanation needed technical review.
Go-Pro and Enterprise added useful security checks, but feature access changed by tier.
Free plan available
Consider Suped if
Consider Suped when guided fixes, hosted records, and clearer ownership matter more than raw report views
Guided fixes reduce the handoff gap we saw when classifying the unknown sender.
Automated issue detection helps teams act before policy movement stalls.
Published starter pricing makes early DMARC budgeting simpler for small teams and MSPs.
From $19 / month
The differences that actually change your week
Mail Tower
GoDMARC
Suped
DMARC report analysis
Aggregate report parsing, alignment views, and domain-level investigation.
Included
Included
Included
Source detection
Turns raw DMARC senders into recognizable services and owners.
Manual classification
Paid tier depth
Included
Forward detection
Helps explain SPF failures caused by forwarding or indirect mail flow.
Report drilldown
Report drilldown
Included
Spoof detection
Highlights unauthorized mail that fails aligned authentication.
Clear on parked domain
Clear with threat context
Included
Notifications and alerts
Routes domain changes, failures, and sender issues to operators.
Basic alerts
Email notifications
Included
Reporting
Exports, recurring views, and evidence for stakeholders.
Exports included
Custom reports on Enterprise
Included
API
Programmatic access for reporting or operations workflows.
Large tier or add on
Not publicly listed
Included
Multi-tenancy
Account separation for agencies, MSPs, or multiple business units.
Custom MSP plan
Team access, not full MSP flow
Included
SPF flattening
Managed SPF handling to avoid DNS lookup limits.
Not included
SPF pre-validation only
Included
Hosted DMARC
Managed DMARC record hosting instead of manual DNS edits.
Manual DNS
Manual DNS
Included
Hosted SPF
Managed SPF hosting with record updates handled in the platform.
Not included
Not included
Included
Hosted MTA-STS
Managed MTA-STS hosting and TLS reporting workflow.
Not included
MTA-TLS reporting
Included
Blocklists and reputation
Blacklist (blocklist), IP reputation, and reputation checks.
Not included
Included
Included
Automatic issue detection
Flags likely setup or authentication problems without manual sorting.
Manual workflow
Partial by tier
Included
AI copilot
Assistant-style guidance for interpreting and fixing authentication issues.
Not included
Not included
Included
DNS monitoring
Tracks DNS record changes and configuration drift.
Not tested
Domain DNS history
Included
Self hostable
Can be run on your own infrastructure.
No
No
No
Free trial/free tier
A no-cost way to test DMARC reporting before buying.
No free tier found
Free plan available
Free plan available
Ten dimensions, scored from 0 to 10
We scored both products against a fixed editorial rubric using the same 90-day setup, sender set, authentication cases, alert review, support handoff, and pricing review. Higher is better in every row, and unsupported feature areas score 0.0.
Mail Tower scores higher on simple enforcement work, while GoDMARC scores higher on adjacent security context
Mail Tower moved faster when the task was reading aggregate reports, separating Microsoft 365 and Google Workspace, and deciding when the parked domain could move toward enforcement. GoDMARC scored better where the task needed reputation context, blacklist (blocklist) checks, DNS history, and threat tagging around the unknown sender. Both lost points where missing feature areas or unclear plan boundaries slowed the path to enforcement.
Mail Tower score
50.5/100
GoDMARC score
61/100
Mail Tower
50.5/100
DMARC enforcement
7.0
Customer support
5.5
Source resolution
6.5
Setup and onboarding
7.0
MSP workflows
5.0
Alerting and integrations
4.5
Hosted SPF and MTA-STS
0.0
Blocklist monitoring
0.0
Pricing transparency
8.0
Time to enforcement
7.0
GoDMARC
61/100
DMARC enforcement
6.5
Customer support
7.0
Source resolution
7.5
Setup and onboarding
6.5
MSP workflows
4.5
Alerting and integrations
6.0
Hosted SPF and MTA-STS
3.0
Blocklist monitoring
8.0
Pricing transparency
5.5
Time to enforcement
6.5
Feature set
Reporting depth vs security breadth
Mail Tower is tighter for DMARC reporting. GoDMARC covers more surrounding checks.
Mail Tower kept the DMARC workflow focused, which helped when we were validating aligned SPF, aligned DKIM, and the parked-domain spoof sample. GoDMARC added more surrounding evidence, especially blacklist (blocklist), IP reputation, Whois, DNS history, and tiered threat checks. If guided fixes and automated issue detection affect the buying decision, score those separately instead of treating every alert or dashboard tile as equal.
Mail Tower
Clean Microsoft 365 separation
Readable Mailchimp alignment
Clear parked-domain spoofing
GoDMARC
Whois aided unknown sender
Blacklist checks included
DNS history helped review
Mail Tower handled Microsoft 365, Google Workspace, SendGrid, and Mailchimp as distinct traffic sources once the reports had enough volume. The aligned DKIM case on the marketing subdomain was easy to separate from the primary corporate domain, and the parked domain made the unauthorized spoof sample obvious. The weaker part was the unknown sender: we could classify it, but the product gave us less owner-level context than we wanted for a support handoff.
GoDMARC had a wider feature set around the same traffic. The unknown sender investigation benefited from IP reputation and Whois context, and the SPF pass with visible from mismatch was easier to review beside DNS history. Some of the strongest source and SPF pre-validation tools sat in higher tiers, so the buying decision depends on whether the team needs basic DMARC monitoring or the broader security checks.
User experience
Quiet flow vs broader panels
Mail Tower was easier to keep on task. GoDMARC gave us more context but asked for more interpretation.
Mail Tower made the first week simpler because the three domains, approved senders, and aggregate report views stayed close to the DMARC job. GoDMARC placed more investigation tools nearby, which helped with the unknown sender but added more decisions during onboarding.
Mail Tower
Fast three-domain setup
Unknown sender needed filters
Forwarding needed outside note
GoDMARC
More setup decisions
Unknown sender faster
Forwarding explanation still technical
Mail Tower onboarding was fastest for the primary corporate domain and parked domain. The marketing subdomain needed a second pass because the DKIM pass on a subdomain looked healthy but still needed owner context before policy movement. Finding the unknown sender took more manual filtering, and explaining the forwarded mail SPF failure required a written note outside the product.
GoDMARC took longer to configure because plan language, passive domains, and tiered feature access had to be checked before we added all three domains. Once data arrived, the unknown sender was faster to investigate because reputation and Whois details were nearby. The forwarded mail SPF failure was visible, but a less technical stakeholder still needed an explanation of why SPF failed while DMARC could remain acceptable through DKIM alignment.
Support
Lean setup vs managed help
Mail Tower suits teams that can run DNS handoff themselves. GoDMARC has clearer managed-support expectations at higher tiers.
Mail Tower gave us enough setup structure for a capable admin, but escalation and MSP-style handoff depended on the plan and our own documentation. GoDMARC had more explicit support packaging, although dedicated support and enterprise onboarding still required tier confirmation.
Mail Tower
Clear DNS basics
Lean escalation path
Custom MSP details
GoDMARC
Tiered support language
Dedicated support on Enterprise
Domain counts need confirmation
For Mail Tower, the DNS setup steps were clear enough for DMARC, SPF, and DKIM validation, and the pricing page made small-team entry costs easy to understand. The support expectation felt lean: useful for setup questions, less prescriptive for assigning the unknown sender to an internal owner or preparing a polished enterprise handoff. The custom MSP plan left account separation details to the sales conversation.
For GoDMARC, support expectations were easier to map by tier because chat, email, managed support, and dedicated support were separated in the plan language. During DNS handoff, the wider product surface meant more questions about which tier included source tools, SPF pre-validation, MTA-TLS reports, and custom reporting. Enterprise onboarding looked stronger, but active-domain language on the pricing page had to be confirmed before we would base a rollout on it.
Suitability
Simple ownership vs security operations
Mail Tower fits lean DMARC owners. GoDMARC fits teams that want more security evidence around each domain.
Mail Tower is the cleaner fit when a small security or IT team already owns DNS and needs recurring DMARC reporting across a compact domain set. GoDMARC is better when security operations want domain reputation, threat context, and richer investigation screens alongside DMARC. For MSP workflows and alert quality, treat account separation, client handoff notes, and noise control as buying criteria, because Suped's product puts those operational workflows closer to day-to-day DMARC ownership.
Mail Tower
Best for one organization
Exports support recurring reports
MSP plan needs discussion
GoDMARC
Security teams get context
Enterprise reporting has depth
MSP domain planning unclear
Mail Tower worked well for SMB and mid-market use cases where one team owned the primary corporate domain, marketing subdomain, and parked domain. Account separation was adequate for a single organization, and exports were usable for recurring reporting. MSP use was less clear because client grouping, handoff notes, and cross-account reporting were tied to a custom plan rather than visible self-serve controls.
GoDMARC made more sense for security-heavy SMB and enterprise teams that wanted DMARC evidence plus reputation and threat views. Domain grouping was workable, but active-domain limits and passive-domain language made client handoff planning harder for MSP use. Recurring reporting had more promise on higher tiers, especially where custom reports and dedicated support were included.
What each tool feels like after 90 days of real use
Mail Tower
A focused DMARC reporting tool for teams that can own the fixes
After 90 days, Mail Tower felt dependable for the core DMARC rhythm: wait for reports, separate Microsoft 365 and Google Workspace, confirm SendGrid and Mailchimp alignment, then decide whether the parked domain could move toward enforcement. The product did not distract us with unrelated security panels, which made weekly review sessions short.
The main friction was ownership. The unknown sender needed manual classification, the forwarded SPF failure needed a plain-language explanation, and the support desk sender required our own notes before we could hand the issue to the right team. Mail Tower gave us the evidence, but not always the remediation workflow.
Where it wins
Low public entry price
Unlimited aggregate report volume
Simple policy movement review
Clear parked-domain spoof signal
Where it lags
No public free tier
No blacklist (blocklist) monitoring
Manual sender ownership workflow
No hosted SPF or MTA-STS
Pricing
From 10€ / month
Free tier
No free tier found
Onboarding
Fastest for the three test domains
G2 rating
0.0 / 5
GoDMARC
A broader DMARC and domain security product for teams that want investigation context
After 90 days, GoDMARC felt more like a security investigation console wrapped around DMARC reporting. The unknown sender took less time to assess because IP reputation, Whois, blacklist (blocklist), and DNS history were close to the DMARC evidence.
The tradeoff was planning complexity. The free plan, Go-Basic, Go-Pro, and Enterprise tiers changed access to source tools, MTA-TLS reporting, custom reports, and support, so we had to check the plan before deciding whether a finding could become a repeatable workflow. The forwarded mail SPF failure still needed someone who understood alignment.
Where it wins
Free entry plan
Reputation checks included
Whois aided sender review
Strong G2 review profile
Where it lags
Pricing page has conflicts
Active-domain rules need confirmation
Some source tools are tiered
Forwarding explanation remains technical
Pricing
Free plan available
Free tier
2 active domains listed
Onboarding
More tier checks before rollout
G2 rating
4.9 / 5
Pricing
Mail Tower
GoDMARC
Suped
Small
1 domain, up to 1k emails / month.
From 10€ / month
The Small Enterprises tier includes up to 5 active domains and unlimited aggregate reports.
$0
The free plan lists 2 active domains and an annual RUA allowance.
$0 / month
Free plan covers 1 domain and 1,000 monthly emails.
Medium
2 domains, up to 100k emails / month.
From 10€ / month
The public small tier covers this domain count, with employee band limits to check.
Estimated $120 / month
Go-Basic is listed at $60 per month for 1 active domain, so 2 active domains need confirmation.
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 Enterprises tier includes 10 active domains and unlimited aggregate reports.
Estimated $600 / month
This estimate multiplies the listed Go-Basic active-domain price, but Enterprise could change the quote.
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 Enterprises tier lists 25 active domains, with custom MSP pricing for broader needs.
Not publicly listed as of May 15, 2026
Go-Enterprise is quote-based, and published active-domain language conflicts across the page.
20 domains and 2,500,000 monthly emails, with 365 days retention. Unlimited domains/emails negotiable.
Mail Tower prices are public list prices in euros. GoDMARC small pricing is public, while the medium and large values are estimates based on the public $60 per active-domain Go-Basic price. GoDMARC Enterprise is not publicly listed as of May 15, 2026. Pricing was checked as of May 15, 2026.
If you cannot decide between the two, maybe the answer is Suped
Suped
Get started
Guided sender fixes
Mail Tower gave us the DMARC evidence, but the unknown sender still needed manual owner notes. Suped turns source identification into guided remediation steps so the fix does not sit in a report.
Clearer account operations
GoDMARC had useful security context, but active-domain rules and tiered access made client handoff planning harder. Suped's MSP workflows are built around account separation, domain ownership, and recurring client reporting.
Alerts with action paths
Mail Tower's alerts were basic, and GoDMARC's broader checks created more review decisions. Suped focuses alerts on issues that need action, including authentication failures, sender changes, and DNS drift.
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 GoDMARC?
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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