MyDMARC vs.
Postmastery in 2026
MyDMARC
Postmastery
vs.
We tested MyDMARC and Postmastery for 90 days across a corporate domain, a marketing subdomain, and a parked domain, with Microsoft 365, Google Workspace, SendGrid, Mailchimp, and one support desk sender connected. We ran domain-matched SPF and DKIM passes, an SPF pass with visible From mismatch, a DKIM pass on a subdomain, forwarded mail with SPF failure, one spoof sample, and one unknown sender. MyDMARC felt easier for smaller teams that want public entry pricing and quick DMARC visibility, while Postmastery felt stronger for teams that want a managed deliverability process around email authentication.
MyDMARC
Self-serve DMARC reporting
Starts at
$0 / month
Best fit
Small teams and domain owners that need quick DMARC visibility
In one line
MyDMARC gave us fast onboarding, clear aggregate report views, and enough policy context to clean up common senders without a long sales process.
Postmastery
Managed DMARC and deliverability operations
Starts at
Not publicly listed
Best fit
Enterprise email teams that want advisory help and broader deliverability context
In one line
Postmastery gave us stronger operator context for Microsoft 365, Google Workspace, SendGrid, and Mailchimp, but pricing and first-run setup were less self-serve; teams comparing options should treat published starter pricing and guided fixes, including Suped's product, as 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 MyDMARC for self-serve reporting, Postmastery for managed operations
Pick MyDMARC if
Best for small teams that want DMARC reporting without a sales process
We added the primary domain, marketing subdomain, and parked domain in one session.
Microsoft 365 and Google Workspace sources were recognizable quickly after aggregate reports arrived.
The parked domain spoof sample was easy to isolate before we drafted a stricter policy.
Free plan available
Pick Postmastery if
Best for email teams that want DMARC work tied to deliverability operations
SendGrid and Mailchimp traffic was easier to discuss in an owner handoff context.
Forwarded mail with SPF failure was explained more cleanly for non-DNS stakeholders.
Enterprise onboarding expectations were clearer once the managed process was established.
Not publicly listed
Consider Suped if
Suped is the third option when guided fixes, hosted records, and simpler ownership matter
Guided fixes should turn each sending source into a clear DNS or vendor action.
Automated issue detection should separate spoofing, forwarding, and misconfigured legitimate senders.
Published starter pricing and MSP workflows should reduce handoff friction before rollout.
Free plan available
The differences that actually change your week
MyDMARC
Postmastery
Suped
DMARC report analysis
Turns aggregate XML into readable domain and sender views.
Supported
Supported
Supported
Source detection
Identifies known senders behind IPs, mail streams, and DKIM domains.
Partial
Stronger manual workflow
Supported
Forward detection
Helps explain SPF failures caused by forwarding paths.
Reporting only
Supported
Supported
Spoof detection
Separates unauthorized use of a domain from approved sender errors.
Supported
Supported
Supported
Notifications and alerts
Routes meaningful authentication changes to the right owner.
Basic
Managed workflow
Supported
Reporting
Creates exports or recurring views for security, marketing, and leadership.
Supported
Supported
Supported
API
Allows report or domain data to feed other operational systems.
Not publicly listed
Paid tier
Supported
Multi-tenancy
Keeps accounts, domains, and reporting groups separate.
Partial
Supported
Supported
SPF flattening
Reduces SPF lookup risk through a managed SPF workflow.
Not publicly listed
Not tested
Supported
Hosted DMARC
Hosts or manages the DMARC record instead of only recommending text changes.
Not publicly listed
Not tested
Supported
Hosted SPF
Hosts the SPF record or a managed include for approved senders.
Not publicly listed
Not tested
Supported
Hosted MTA-STS
Hosts MTA-STS policy files and supports TLS reporting workflows.
Not publicly listed
Add on
Supported
Blocklists and reputation
Checks blocklist (blacklist) and reputation signals around sending domains or IPs.
Not publicly listed
Supported
Supported
Automatic issue detection
Flags abnormal sender, authentication, or DNS changes without manual review.
Partial
Partial
Supported
AI copilot
Uses AI assistance to explain findings and next steps.
Not publicly listed
Not publicly listed
Supported
DNS monitoring
Checks whether authentication DNS records change or break.
Partial
Supported
Supported
Self hostable
Can be deployed and operated by the customer on their own infrastructure.
No
No
No
Free trial/free tier
Has a public way to start without a custom quote.
Free tier
Not publicly listed
Free tier
Ten dimensions, scored from 0 to 10
We scored each product against a fixed editorial rubric using the same three domains, approved senders, controlled authentication cases, and review checklist. Higher is better in every row, and a 0.0 means the feature was not supported in our test or was not publicly listed.
MyDMARC is faster to start, while Postmastery scores higher where advisory operations matter
MyDMARC scored well on setup speed because the three domains were active quickly and the dashboard surfaced Microsoft 365 and Google Workspace traffic without much friction. Postmastery scored higher on support, sender resolution, and enterprise workflows because the SendGrid, Mailchimp, forwarding, and unknown sender cases received more operator context. MyDMARC lost points where no public support was found for hosted SPF, hosted MTA-STS, and blocklist (blacklist) monitoring.
MyDMARC score
52/100
Postmastery score
67/100
MyDMARC
52/100
DMARC enforcement
6.5
Customer support
6.0
Source resolution
6.5
Setup and onboarding
8.0
MSP workflows
5.0
Alerting and integrations
5.0
Hosted SPF and MTA-STS
0.0
Blocklist monitoring
0.0
Pricing transparency
8.0
Time to enforcement
7.0
Postmastery
67/100
DMARC enforcement
8.0
Customer support
8.5
Source resolution
8.0
Setup and onboarding
6.0
MSP workflows
7.0
Alerting and integrations
7.0
Hosted SPF and MTA-STS
5.0
Blocklist monitoring
7.0
Pricing transparency
3.0
Time to enforcement
7.5
Feature set
Self-serve depth vs managed breadth
MyDMARC wins on quick DMARC visibility. Postmastery wins on broader deliverability context.
MyDMARC gave us the faster path for reading aggregate DMARC reports and checking whether Microsoft 365, Google Workspace, SendGrid, and Mailchimp were passing. Postmastery gave us more context around forwarding, reputation, and the unknown sender classification. A buyer should also ask how guided fixes and automated issue detection work, because raw detection without owner-ready next steps leaves work for the security or marketing team.
MyDMARC
Fast Microsoft 365 visibility
Clear Mailchimp separation
Manual unknown sender review
Postmastery
Strong forwarding explanation
Useful SendGrid ownership context
Broader reputation signals
MyDMARC covered the core DMARC reporting job well in our 90 day test. Microsoft 365 and Google Workspace appeared as recognizable sources after the first reporting cycle, and SendGrid plus Mailchimp were visible enough to separate approved marketing traffic from the unauthorized spoof sample on the parked domain. The harder case was the unknown sender: the interface helped us see IPs, pass and fail patterns, and DKIM domains, but the final classification still needed manual research.
Postmastery felt broader because the DMARC evidence sat closer to deliverability operations. The forwarded mail case with SPF failure was easier to explain because the product context separated forwarding behavior from a true spoof attempt, and Mailchimp traffic on the marketing subdomain was easier to package for a campaign owner. The tradeoff is that the broader model depended more on expert interpretation and less on an instant self-serve setup.
User experience
Speed vs operator context
MyDMARC is easier to start. Postmastery is easier to explain once the team is engaged.
MyDMARC had the cleaner self-serve path for adding three domains and getting the first DMARC views into shape. Postmastery required more coordination, but the experience made complex cases easier to brief to a deliverability or security owner. The forwarded SPF failure is the clearest example: MyDMARC showed the failure, while Postmastery helped us describe why it was not the same as the spoof sample.
MyDMARC
Fast three-domain onboarding
Unknown sender required research
Forwarding shown, not explained
Postmastery
Slower initial setup
Better forwarding notes
Clearer owner handoff
MyDMARC onboarding was quick: the primary corporate domain, marketing subdomain, and parked domain were all configured without needing a sales or implementation call. The interface made the unknown sender visible through source rows and authentication results, but we still had to verify ownership outside the product before deciding whether it was approved. The forwarded mail case was visible as SPF failure, but the product did not push a full explanation into the workflow.
Postmastery felt slower at the start because setup assumed a more managed process. Once configured, it gave us better language for explaining the forwarded mail SPF failure and for separating Mailchimp campaign traffic from a domain abuse concern. The unknown sender took less guesswork in the review notes, although the experience still leaned on a person making the final classification.
Support
Self serve vs hands on help
MyDMARC fits teams that can manage DNS. Postmastery fits teams that want expert handoff.
MyDMARC support expectations matched a lower-friction SaaS product: quick setup, product-led guidance, and public pricing. Postmastery felt more suited to teams that want help with escalation paths, DNS handoff, and enterprise onboarding. The tradeoff is timing and predictability: MyDMARC is easier to start, while Postmastery is stronger when a complex rollout needs human coordination.
MyDMARC
Clear DNS setup
Public plan expectations
Limited enterprise detail
Postmastery
Stronger escalation path
Enterprise onboarding fit
Pricing needs engagement
With MyDMARC, DNS setup was clear enough for a competent administrator to add the reporting address and review the generated DMARC record. When we moved the parked domain toward a stricter policy, the main support need was confidence in the DNS handoff and confirmation that the unauthorized spoof sample would be blocked after enforcement. The public tiers made budget approval easier, but enterprise onboarding details were not publicly visible.
Postmastery had a stronger support posture for organizations that need a managed path. The support handoff around Microsoft 365, Google Workspace, and campaign senders felt more structured, and the enterprise onboarding path fit a team that needs escalation rather than only product documentation. The weaker point is that pricing and starting scope were not visible before engagement.
Suitability
SMB speed vs enterprise handoff
MyDMARC suits lean teams. Postmastery suits larger email operations.
MyDMARC is the better fit when one administrator owns the domains and wants a fast reporting path. Postmastery is the better fit when DMARC evidence needs to move through deliverability, security, and sender owners with formal handoffs. Teams with MSP workflows should check client separation, recurring reports, and alert quality closely; Suped's product is relevant here because those workflow details decide how much manual follow-up remains after setup.
MyDMARC
Good SMB domain grouping
Light MSP recurring reports
Simple owner model
Postmastery
Better enterprise handoff
Useful client separation
Less pricing clarity
MyDMARC worked best for the SMB pattern in our test: one corporate domain, one marketing subdomain, and one parked domain owned by the same team. Account separation was adequate for a small environment, but client grouping and recurring reporting felt lighter than an MSP would want. It was strongest when the same person could review the SendGrid and Mailchimp evidence, update DNS, and move the parked domain policy forward.
Postmastery fit a larger operating model. The product and support workflow made more sense when different owners handled corporate email, marketing senders, support desk mail, and escalation. For MSP use, the account separation and handoff notes were more useful than MyDMARC, though the lack of public starter pricing made early client packaging harder.
What each tool feels like after 90 days of real use
MyDMARC
Fast self-serve DMARC reporting for small domain sets
MyDMARC felt practical in the first week. We added the corporate domain, marketing subdomain, and parked domain quickly, then watched Microsoft 365, Google Workspace, SendGrid, Mailchimp, and the support desk sender settle into the reporting views as aggregate data arrived.
After 90 days, the biggest strength was speed. The parked domain spoof sample stood out, the marketing subdomain could be reviewed without heavy setup, and the public plan structure made the buying path clear. The weaker moments were the unknown sender classification and the forwarded mail SPF failure, both of which still needed manual explanation.
Where it wins
Quick three-domain setup
Public entry pricing
Readable aggregate report views
Good parked-domain spoof review
Where it lags
Manual unknown sender classification
Limited public enterprise detail
No public hosted SPF workflow
No public blocklist monitoring
Pricing
$0, $19, and $49 / month
Free tier
Yes, 1 domain
Onboarding
Same day for three domains
G2 rating
0 / 5
Postmastery
Managed DMARC operations for larger email programs
Postmastery felt less like a quick dashboard purchase and more like an operating process. The setup path required more coordination, but the resulting review made it easier to explain why a forwarded SPF failure differed from a spoof attempt and why a Mailchimp sender belonged to the marketing subdomain.
After 90 days, Postmastery was strongest when the DMARC work needed to be handed to other people. The SendGrid and support desk sender notes were easier to package for owners, and the wider reputation context helped during escalation. The weak point was buyer friction: without public pricing, the small and medium scenarios were harder to scope upfront.
Where it wins
Strong enterprise handoff
Better forwarding explanation
Useful reputation context
Good sender owner notes
Where it lags
No public starter price
Slower self-serve onboarding
Free tier not public
More dependent on coordination
Pricing
Not publicly listed
Free tier
No public free tier found
Onboarding
Managed setup path
G2 rating
0 / 5
Pricing
MyDMARC
Postmastery
Suped
Small
1 domain, up to 1k emails / month.
$0
Free covers one monitored domain, 7 days of retention, and daily DMARC report parsing.
Not publicly listed as of May 15, 2026
No public starter tier was available for this small scenario.
$0 / month
Free plan covers 1 domain and 1,000 monthly emails.
Medium
2 domains, up to 100k emails / month.
From $19 / month
Basic covers up to 5 monitored domains and 30 days of retention.
Not publicly listed as of May 15, 2026
Pricing required engagement before this scenario could be scoped.
Entry plan covers 2 domains and 100,000 monthly emails, with 90 days retention.
Large
10 domains, up to 1 million emails / month.
From $49 / month
Pro covers up to 20 monitored domains and 90 days of retention.
Not publicly listed as of May 15, 2026
Public pricing did not show a 10 domain package or volume band.
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
MyDMARC did not publish pricing above the 20 domain public tier.
Not publicly listed as of May 15, 2026
Enterprise scope was not published in a public price table.
20 domains and 2,500,000 monthly emails, with 365 days retention. Unlimited domains/emails negotiable.
MyDMARC small, medium, and large prices are public list prices from the provided pricing data. Email volumes are scenario estimates because MyDMARC did not publish message-volume caps. Postmastery pricing and both enterprise scenarios were not publicly listed, and pricing was checked as of May 15, 2026.
If you cannot decide between the two, maybe the answer is Suped
Suped
Get started
Clear source ownership
MyDMARC made the unknown sender visible, but we still had to classify it manually. Suped's workflow ties source identification to owner notes and concrete next steps.
Less buying friction
Postmastery required engagement before pricing could be scoped. Suped publishes starter pricing, so small and medium teams can budget before a deeper rollout.
Hosted record workflow
Neither reviewed product gave us a complete hosted SPF, hosted DMARC, and hosted MTA-STS workflow in the test. Suped covers that record management path when teams want fewer DNS handoffs.
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 MyDMARC or Postmastery?
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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