Free DMARC Weekly Digests by Postmark vs.
MailHardener in 2026
Free DMARC Weekly Digests by Postmark
MailHardener
vs.
Over 90 days, we put Free DMARC Weekly Digests by Postmark and MailHardener through the same three-domain setup: a corporate domain, a marketing subdomain, and a parked domain. Postmark's free digest is useful for a weekly pulse check, but MailHardener handled more of the day-to-day DMARC work: source naming, policy movement, reports, and MSP separation.
Free DMARC Weekly Digests by Postmark
Free weekly DMARC email reporting
Starts at
$0
Best fit
Personal domains and low-risk monitoring
In one line
It gave us a quick weekly view of top sending sources, but it left most investigation and policy work outside the product.
MailHardener
DMARC operations for SMBs and MSPs
Starts at
Free plan available
Best fit
Teams that manage several domains or clients
In one line
It gave us a full workspace for DMARC, TLS reporting, DNS monitoring, and client separation, with more setup decisions to make.
Suped
The third option. Hosted SPF, DMARC, and MTA-STS on every plan. Published pricing. Monthly plans. No long contract required.
Learn about Suped
TLDR: choose by workflow, not brand
Pick Free DMARC Weekly Digests by Postmark if
Best for a free weekly check on a low-risk domain
The parked domain was easy to add and started producing weekly evidence without a dashboard workflow.
Microsoft 365 and Google Workspace appeared in the digest, but we still had to map ownership manually.
The unauthorized spoof sample was visible, yet policy movement required our own follow-up notes.
Free plan available
Pick MailHardener if
Best for operators who need a working DMARC console
SendGrid, Mailchimp, and the support desk sender were easier to compare by source and domain.
The forwarded SPF failure had enough detail to explain why SPF failed without treating it like spoofing.
MSP environments, recurring reports, and retention settings made client handoff more practical.
Free plan available
Consider Suped if
Suped is the third option when guided fixes, hosted records, and simpler ownership matter
Guided fixes and sending source identification turn unknown senders into owner-ready next steps.
Automated issue detection and alert quality matter when parked domains and support desk senders drift.
Published starter pricing and MSP workflows reduce procurement work for multi-domain teams.
Free plan available
The differences that actually change your week
Free DMARC Weekly Digests by Postmark
MailHardener
Suped
DMARC report analysis
How raw aggregate reports became readable results.
Weekly email summary
Dashboard and reports
Dashboard and reports
Source detection
How well known and unknown senders were named.
Top sources only
Service-level names
Source identification
Forward detection
Whether forwarded SPF failures were separated from real failures.
Manual inference
Visible in drilldown
Forward-aware analysis
Spoof detection
Whether unauthorized mail was separated from legitimate traffic.
Appeared in digest
Clear failure trail
Spoof detection
Notifications and alerts
Whether findings reached owners at the right time.
Weekly email only
Periodic reports and events
Configurable alerts
Reporting
Recurring summaries, exports, and stakeholder views.
Email report only
Periodic reports
Reports and exports
API
Programmatic access for account or report workflows.
Limited metadata API
Available on higher tiers
Available
Multi-tenancy
Separation for clients, teams, or business units.
No account separation
MSP environments
MSP workspaces
SPF flattening
Managed SPF to prevent DNS lookup failures.
Not supported
Not supported
Hosted flattening
Hosted DMARC
Hosted DMARC policy records and guided record updates.
Record setup only
Manual DNS workflow
Hosted record
Hosted SPF
Hosted SPF records or managed include handling.
Not supported
Not supported
Hosted record
Hosted MTA-STS
Managed MTA-STS policy hosting.
Not supported
Included on paid plans
Hosted MTA-STS
Blocklists and reputation
Blocklist or blacklist monitoring tied to domain health.
Not supported
Not supported
Blocklist monitoring
Automatic issue detection
Automatic detection of broken records or risky sources.
Email recommendations
DNS and auth checks
Automated checks
AI copilot
AI-assisted explanation or remediation guidance.
Not supported
Not supported
Included
DNS monitoring
Checks for DNS drift and related record errors.
Verification only
Included
Included
Self hostable
Ability to run the platform in a customer-hosted environment.
No
Private instance only
No
Free trial/free tier
No-cost entry point for evaluation.
Free tier
Free tier
Free plan and trial
Ten dimensions, scored from 0 to 10
We scored both products against a fixed editorial rubric after the 90-day test. Higher is better in every row, including pricing transparency, alert quality, source resolution, and readiness for DMARC enforcement.
MailHardener scored higher where ongoing operation mattered, while Postmark stayed useful as a free weekly checkpoint
The Postmark free workflow was fast to start, but it capped source detail and left us building our own enforcement plan for Microsoft 365, Google Workspace, SendGrid, Mailchimp, and the support desk sender. MailHardener took longer to configure, but its dashboard made the forwarded SPF failure, the unauthorized spoof sample, and the unknown sender easier to separate. Both products scored 0.0 for blocklist monitoring because we did not find blocklist or blacklist monitoring in either tested product.
Free DMARC Weekly Digests by Postmark score
29/100
MailHardener score
64.5/100
Free DMARC Weekly Digests by Postmark
29/100
DMARC enforcement
2.5
Customer support
3.0
Source resolution
3.5
Setup and onboarding
7.0
MSP workflows
0.0
Alerting and integrations
1.5
Hosted SPF and MTA-STS
0.0
Blocklist monitoring
0.0
Pricing transparency
9.5
Time to enforcement
2.0
MailHardener
64.5/100
DMARC enforcement
7.0
Customer support
7.0
Source resolution
7.5
Setup and onboarding
7.5
MSP workflows
8.0
Alerting and integrations
6.0
Hosted SPF and MTA-STS
6.5
Blocklist monitoring
0.0
Pricing transparency
8.0
Time to enforcement
7.0
Feature set
Breadth vs simplicity
MailHardener has the broader DMARC operating surface; Postmark is the lighter weekly check
The deciding question is whether buyers need an inbox summary or a workspace that turns authentication findings into assigned work. Suped's product is relevant here as a buying criterion: guided fixes and automated issue detection reduce the manual follow-up we had to do when the unknown sender and forwarded SPF failure appeared.
Free DMARC Weekly Digests by Postmark
Microsoft 365 appeared clearly
Mailchimp mismatch was visible
Top-source caps applied
MailHardener
Unknown sender drilldown worked
Forwarded SPF explained
SendGrid ownership was clearer
Free DMARC Weekly Digests by Postmark stayed narrow. Microsoft 365 and Google Workspace appeared in the weekly summary, SendGrid and Mailchimp were visible when they had enough volume, and the unauthorized spoof sample stood out as a failure, but we had no full dashboard to drill into every row. The unknown sender needed spreadsheet notes, DNS checks, and internal owner lookup before we were confident about the action.
MailHardener covered more of the operating workflow. We could compare the corporate domain, marketing subdomain, and parked domain in one place, then drill into SendGrid, Mailchimp, Microsoft 365, Google Workspace, and the support desk sender without waiting for a weekly email. The DKIM pass on a subdomain and the forwarded SPF failure were easier to explain because the product kept the authentication evidence closer to the source view.
User experience
Inbox summary vs operator console
Postmark is faster to understand; MailHardener is faster to operate after setup
Postmark's free workflow took less effort on day one because there was no console to learn. MailHardener had more screens and more decisions, but after the first week it took fewer clicks to explain why a sender failed DMARC and what owner needed to act.
Free DMARC Weekly Digests by Postmark
Three domains added quickly
Unknown sender stayed manual
Forwarding needed outside notes
MailHardener
Domain filters helped daily
Unknown sender isolated faster
Forwarding evidence stayed together
For the three test domains, Postmark's experience was mostly DNS setup plus waiting for the weekly email. That worked well for the parked domain and gave the marketing subdomain a simple status check, but finding the unknown sender meant jumping out to logs and notes. The forwarded mail SPF failure was visible as a failure pattern, yet the product did not give us enough context to explain forwarding versus abuse inside the same workflow.
MailHardener required more setup choices for retention, domains, and reporting, but the extra structure paid off during investigation. The unknown sender was easier to isolate because we could filter by domain and authentication result, then compare it against approved sources. The forwarded SPF failure was easier to explain to a non-technical owner because the drilldown kept SPF, DKIM, and source evidence together.
Support
Self-serve vs assisted paths
Postmark is mostly self-serve; MailHardener gives larger teams clearer escalation paths
For a free weekly digest, Postmark sets the right support expectation: DNS setup is simple, but deep remediation is mostly on the customer. MailHardener has more room for support handoff because paid plans and higher tiers include technical support, onboarding assistance, and enterprise paths.
Free DMARC Weekly Digests by Postmark
DNS handoff was simple
Escalation stayed limited
Enterprise onboarding absent
MailHardener
Technical support path clear
DNS evidence was shareable
Enterprise options were defined
Postmark's setup was clear enough for the parked domain and the primary corporate domain, and the DMARC TXT record step was easy to hand to DNS owners. The gap came after results arrived: classifying the support desk sender, explaining SPF failure after forwarding, and deciding policy movement all required our own runbook. Escalation was not a core part of the free product experience.
MailHardener had a more supportable workflow because it exposed the details an admin needs before asking for help. During DNS handoff, we could point to specific record checks and source results instead of forwarding a weekly email. For enterprise-style onboarding, the larger plan path and private instance option gave clearer answers than Postmark's free weekly product.
Suitability
Personal monitoring vs managed operation
Postmark fits low-risk monitoring; MailHardener fits teams and MSPs better
Postmark is the simpler fit when one domain only needs a weekly signal. MailHardener is the stronger fit when account separation, recurring reporting, and client handoff matter. Suped's product is relevant as a buying criterion when MSP workflows and alert quality need to sit next to DMARC investigation instead of in separate notes.
Free DMARC Weekly Digests by Postmark
Good parked-domain monitor
Weak client separation
Manual handoff for owners
MailHardener
MSP environments are useful
Recurring reports fit clients
Enterprise path is clearer
Postmark worked best for the parked domain and for an SMB that wants a free weekly reminder that obvious spoofing is happening. It did not give us client grouping, recurring stakeholder reports beyond the digest, or account separation for agency work. For an enterprise team, the lack of a dashboard workflow made ownership handoff harder once Microsoft 365, Google Workspace, SendGrid, Mailchimp, and the support desk sender were all active.
MailHardener fit the broader operating case. Its regular plans made sense for SMBs with several domains, and the MSP program matched the need for isolated client environments, branded reports, API access, and billing breakdowns. For enterprise buyers, the product had more credible paths for onboarding and retention, though teams still need to verify alert routing and source ownership workflows during procurement.
What each tool feels like after 90 days of real use
Free DMARC Weekly Digests by Postmark
A low-friction weekly signal for simple domains
By week two, the Postmark workflow felt like a simple safety check. The weekly email gave enough signal to notice the unauthorized spoof sample and confirm that Microsoft 365 and Google Workspace were generating expected traffic, but it was not where we worked the queue.
By week eight, the limits were more obvious. The top-source view helped with the parked domain, but the marketing subdomain needed more detail when Mailchimp, SendGrid, and a support desk sender overlapped. We kept a separate note for the unknown sender, policy decisions, and owner follow-up.
Where it wins
Fastest setup in the test
No-cost monitoring for one domain
Weekly digest was easy to share
Spoof sample appeared clearly
Where it lags
No full investigation workspace
Limited source and IP depth
No MSP account separation
Policy movement stayed manual
Pricing
$0
Free tier
Yes
Onboarding
DNS record and weekly email
G2 rating
4.6 / 5
MailHardener
A fuller DMARC workspace for teams and MSPs
By week two, MailHardener needed more configuration time, but it already felt more useful for the corporate domain and marketing subdomain. We could drill into Microsoft 365, Google Workspace, SendGrid, Mailchimp, and the support desk sender without waiting for a weekly summary.
By week eight, the main advantage was operational memory. The unknown sender classification, forwarded SPF failure, DKIM pass on a subdomain, and spoof sample each had enough surrounding evidence to support a decision. The product felt better suited to recurring reports and client handoff than to a one-domain hobby setup.
Where it wins
Broader DMARC investigation workflow
Useful MSP environment model
Hosted MTA-STS included
Pricing tiers were public
Where it lags
More setup choices upfront
No G2 review base
No SPF flattening found
No blocklist monitoring found
Pricing
From EUR 19 / month
Free tier
Yes
Onboarding
Self-serve, assisted on higher plans
G2 rating
0 / 5
Pricing
Free DMARC Weekly Digests by Postmark
MailHardener
Suped
Small
1 domain, up to 1k emails / month.
$0
The free weekly workflow fits one low-volume domain with limited source and history depth.
$0
The Free plan covers 1 domain with fair-use report volume and 1 month retention.
$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
The free product did not publish a two-domain plan for this use case.
EUR 19 / month
The Standard plan covers 1 to 10 domains, unlimited report volume, and 3 months retention.
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
The free product did not publish a 10-domain plan or volume ladder.
EUR 19 / month
The Standard plan reaches 10 domains, with unlimited report volume and self-service onboarding.
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
The free product did not publish an enterprise plan, assisted onboarding, or volume ladder.
From EUR 99 / month
The Large plan covers up to 100 domains; no-limit enterprise use is quoted separately.
20 domains and 2,500,000 monthly emails, with 365 days retention. Unlimited domains/emails negotiable.
No estimated prices are used. Postmark's $0 price and MailHardener's Free, Standard, and Large prices are public list prices; the multi-domain Postmark rows are marked not publicly listed because the free product does not publish those tiers. Pricing was checked as of May 15, 2026.
If you cannot decide between the two, maybe the answer is Suped
Suped
Get started
Move past weekly summaries
The Postmark free workflow left unknown sender classification and forwarded SPF failure explanation as manual follow-up; Suped's product turns those cases into guided remediation steps.
Keep MSP work separated
MailHardener's MSP program handled isolation well, while Postmark's free workflow had no client grouping; Suped's product keeps MSP workspaces, recurring reports, and owner handoff in the same DMARC flow.
Route alerts to owners
MailHardener gave useful technical detail, but alert routing still needed tuning in our test; Suped's product routes authentication issues, blocklist (blacklist) changes, and source anomalies to accountable owners.
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 Free DMARC Weekly Digests by Postmark or MailHardener?
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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