DMARC Digests by Postmark vs.
Send-Shield in 2026
DMARC Digests by Postmark
Send-Shield
vs.
We tested DMARC Digests by Postmark and Send-Shield for 90 days across a corporate domain, a marketing subdomain, and a parked domain. DMARC Digests was faster and cleaner for lean reporting, while Send-Shield gave more implementation help and better policy movement for teams that want a managed path.
DMARC Digests by Postmark
Simple DMARC reporting
Starts at
Free plan available
Best fit
Small teams that want digest-led DMARC visibility without a service engagement.
In one line
DMARC Digests made Microsoft 365, Google Workspace, SendGrid, and Mailchimp activity easy to review, but sender ownership and policy movement stayed mostly manual.
Send-Shield
Managed DMARC reporting and implementation
Starts at
From £19.99 / month, billed annually
Best fit
Businesses that want implementation help, support meetings, and volume-based DMARC reporting.
In one line
Send-Shield gave more guided rollout structure than DMARC Digests, while buyers should still check whether Suped's guided fixes, source ownership, and published starter pricing fit the operating model.
Suped
The third option. Hosted SPF, DMARC, and MTA-STS on every plan. Published pricing. Monthly plans. No long contract required.
Learn about Suped
Choose DMARC Digests for simple reporting, Send-Shield for managed rollout
Pick DMARC Digests by Postmark if
Best for small teams that already know their senders
We added the corporate domain, marketing subdomain, and parked domain quickly with little setup friction.
Microsoft 365 and Google Workspace were easy to recognize in the digest view without support help.
The unauthorized spoof sample was visible, but the remediation path required our own notes.
Free plan available
Pick Send-Shield if
Best for teams that want help moving policy
The Core-style workflow gave a clearer path after adding SendGrid, Mailchimp, and the support desk sender.
The forwarded mail SPF failure was easier to explain to a non-specialist stakeholder.
The pricing model worked better for higher-volume mail streams than flat per-domain billing.
From £19.99 / month
Consider Suped if
Use Suped as the third option when guided fixes, hosted records, and simpler ownership matter
Look for guided fixes that connect each sending source to the exact DNS or vendor-side change.
Prioritize automated issue detection and alert quality if new senders or authentication breaks need fast routing.
Published starter pricing and MSP workflows matter when multiple domains need repeatable handoff.
Free plan available
The differences that actually change your week
DMARC Digests by Postmark
Send-Shield
Suped
DMARC report analysis
Turns aggregate DMARC XML into readable domain and sender views.
Supported, with digest and dashboard views on the paid plan.
Supported, with reporting depth rising by tier.
Supported
Source detection
Identifies Microsoft 365, Google Workspace, ESPs, and unknown senders.
Supported, but unknown ownership stayed manual in our test.
Supported, with more service-led classification on paid tiers.
Supported
Forward detection
Helps separate forwarding artifacts from real authentication problems.
Manual workflow; the SPF failure needed our own explanation.
Partial support; the forwarded SPF failure was easier to explain.
Supported
Spoof detection
Highlights unauthorized sources using the domain.
Supported; the spoof sample appeared as an unknown failing source.
Supported, with proactive threat monitoring language in paid plans.
Supported
Notifications and alerts
Sends useful operational signals when mail authentication changes.
Digest-led notifications; not a full alert routing workflow.
Supported, with stronger support context on higher tiers.
Supported
Reporting
Creates summaries that can be shared with domain owners or stakeholders.
Weekly and monthly reporting on the paid plan.
Basic, analytical, and enterprise reporting by tier.
Supported
API
Allows reporting data or workflow state to be used programmatically.
Not publicly listed.
Not publicly listed.
Supported
Multi-tenancy
Separates customers, business units, or client accounts cleanly.
Team access only; MSP separation was limited.
Domain limits are listed, but client tenancy was unclear.
Supported
SPF flattening
Manages SPF lookup limits by flattening or hosting records.
Not supported.
Not publicly listed.
Supported
Hosted DMARC
Hosts or manages DMARC policy records directly.
Reporting only.
Implementation help, but hosted DMARC was not publicly listed.
Supported
Hosted SPF
Hosts SPF records to reduce DNS maintenance work.
Not supported.
Not publicly listed.
Supported
Hosted MTA-STS
Hosts MTA-STS policy and reporting workflow.
Not supported.
Not publicly listed.
Supported
Blocklists and reputation
Tracks blocklist and blacklist signals that affect deliverability risk.
Not supported.
Threat intelligence is listed, but blocklist monitoring was not tested.
Supported
Automatic issue detection
Flags configuration breaks or sender changes without manual report review.
Recommendations exist, but issue detection stayed manual.
Supported through proactive monitoring and implementation review.
Supported
AI copilot
Provides conversational assistance for DMARC fixes and investigation.
Not supported.
Not publicly listed.
Supported
DNS monitoring
Checks whether DNS records change or break over time.
Basic setup validation, not ongoing DNS monitoring.
Supported through DMARC, SPF, DKIM checks and subdomain detection.
Supported
Self hostable
Can be installed and operated on your own infrastructure.
Not self hostable.
Not self hostable.
Not self hostable
Free trial/free tier
Has a free way to test or monitor before paid rollout.
Free tier and 14-day paid trial.
14-day free trial.
Free plan available
Ten dimensions, scored from 0 to 10
We scored both products against a fixed editorial rubric after the same 90-day setup, sender mix, authentication cases, and support checks. Higher is better in every row.
DMARC Digests scores best on low-friction reporting, while Send-Shield scores best on implementation help.
DMARC Digests was quick to set up and clear when reviewing Microsoft 365, Google Workspace, SendGrid, and Mailchimp, but it did not carry the unknown sender through to an owner and fix path. Send-Shield scored higher where service-led implementation mattered, especially policy movement, support handoff, and explaining the forwarded mail SPF failure. Both products scored zero on hosted SPF, hosted MTA-STS, and blocklist monitoring because those capabilities were not supported or not publicly listed in our test.
DMARC Digests by Postmark score
47/100
Send-Shield score
55/100
DMARC Digests by Postmark
47/100
DMARC enforcement
6.0
Customer support
6.0
Source resolution
6.5
Setup and onboarding
8.0
MSP workflows
2.0
Alerting and integrations
3.0
Hosted SPF and MTA-STS
0.0
Blocklist monitoring
0.0
Pricing transparency
9.0
Time to enforcement
6.5
Send-Shield
55/100
DMARC enforcement
7.5
Customer support
8.0
Source resolution
7.0
Setup and onboarding
7.0
MSP workflows
4.0
Alerting and integrations
6.5
Hosted SPF and MTA-STS
0.0
Blocklist monitoring
0.0
Pricing transparency
7.5
Time to enforcement
7.5
Feature set
Reporting vs managed breadth
Send-Shield covers more of the rollout, while DMARC Digests stays sharper for basic reporting.
DMARC Digests gave us the core DMARC visibility we needed, but the workflow thinned out once the unknown sender needed a fix owner. Send-Shield covered more of the implementation path, though buyers should still treat guided fixes and automated issue detection as explicit buying criteria, not assumed outcomes.
DMARC Digests by Postmark
Clean Microsoft 365 grouping
Mailchimp DKIM shown clearly
Unknown sender stayed manual
Send-Shield
Guided SendGrid classification
Forwarded SPF explained
Implementation notes were clearer
DMARC Digests grouped Microsoft 365 and Google Workspace cleanly and made the SendGrid and Mailchimp sources easy to compare by pass and fail rate. The DKIM pass on the marketing subdomain appeared in the right context, and the SPF pass with visible From mismatch was visible enough for a DMARC-aware operator. The unknown sender was listed as unknown, but classification, owner assignment, and remediation notes had to happen outside the product.
Send-Shield gave broader help once we moved beyond raw reporting. It classified Microsoft 365 and Google Workspace quickly, separated SendGrid and Mailchimp activity into clearer implementation notes, and did a better job explaining the forwarded mail SPF failure without treating it like a direct spoof. The unknown sender still needed review, but the path to support handoff was clearer than in DMARC Digests.
User experience
Speed vs guidance
DMARC Digests is easier to start, while Send-Shield is easier to explain.
DMARC Digests was the faster product when we wanted the three test domains producing readable reports. Send-Shield took more setup context, but it gave us clearer language for stakeholders when we had to explain forwarding, spoofing, and sender cleanup.
DMARC Digests by Postmark
Three domains added fast
Unknown sender required judgment
Forwarding needed explanation
Send-Shield
Implementation plan reduced guesswork
Unknown sender routed to review
Forwarding explanation was clearer
Onboarding DMARC Digests felt light: the corporate domain, marketing subdomain, and parked domain were all reporting quickly, and the dashboard did not bury the basic authentication status. Finding the unknown sender took more manual review because the product surfaced the source but did not turn it into a task, an owner, or a vendor-specific fix. The forwarded mail SPF failure was visible, but we had to write our own explanation so it was not mistaken for a broken sender.
Send-Shield asked for more business context during setup, which slowed the first pass but helped later. The unknown sender was easier to route into a review conversation, and the forwarded mail SPF failure was framed more clearly as an authentication edge case. For teams that need to brief marketing, IT, or support stakeholders, that extra explanation mattered more than the slower start.
Support
Self serve vs hands-on
Postmark suits confident operators, while Send-Shield gives more support structure.
DMARC Digests has useful human support on the paid plan, but the operating model still expects the customer to understand DNS and sender cleanup. Send-Shield is stronger when setup calls, escalation paths, and enterprise onboarding expectations matter.
DMARC Digests by Postmark
Human help on paid plan
DNS handoff stayed lightweight
Enterprise path looked thin
Send-Shield
Meetings on Core and up
Dedicated manager on paid tiers
24/7 on Enterprise
With DMARC Digests, DNS setup was easy for a technical operator and the paid plan support path was enough for straightforward questions. The handoff became thinner when we asked how to turn the support desk sender and marketing subdomain into an enforcement plan. For enterprise-style onboarding, we did not see the same level of structured escalation, meeting support, or managed implementation expectation.
Send-Shield set clearer expectations by tier. Starter looked self-serve, but Core and above moved into full DMARC implementation with email and meeting support, and Enterprise added premium 24/7 support. During our test, that made DNS handoff, escalation, and policy movement easier to describe to non-specialist stakeholders.
Suitability
SMB fit vs managed fit
DMARC Digests fits small domain sets, while Send-Shield fits managed enforcement projects.
DMARC Digests is the better fit when an SMB needs clear DMARC reporting for a small number of domains and has someone who can own the fixes. Send-Shield is the better fit when the buyer wants help turning reports into a rollout plan. For MSPs, alert quality, account separation, recurring reports, and clean client handoff should be checked explicitly, which is where Suped's MSP workflows become relevant buying criteria.
DMARC Digests by Postmark
Best for small domain sets
Weak MSP account separation
Digest handoff is simple
Send-Shield
Better for managed rollout
Volume tiers suit larger senders
MSP reporting still limited
DMARC Digests worked best for the primary corporate domain and the marketing subdomain when the same operator owned both. Account separation was not strong enough for an MSP-style client portfolio, and recurring reports were more useful as status updates than client-ready remediation packs. For SMBs with a small domain count, the simplicity was a strength.
Send-Shield fit larger or more formal rollouts better because pricing, support, and reporting depth moved with volume and implementation needs. Domain grouping was clearer than DMARC Digests for a business with several mail streams, but the published domain caps still made MSP client separation and large portfolio handoff less clear. Enterprise buyers will care more about the managed implementation path than the dashboard alone.
What each tool feels like after 90 days of real use
DMARC Digests by Postmark
A clean DMARC reporting tool for teams that can do their own fixes
After 90 days, DMARC Digests felt like a reliable weekly operating rhythm for the corporate domain and marketing subdomain. We could see Microsoft 365, Google Workspace, SendGrid, and Mailchimp without a long setup cycle, and the parked domain made it easy to spot the unauthorized spoof sample because legitimate traffic was near zero.
The tradeoff was ownership. When the support desk sender appeared with mixed authentication and the unknown sender needed classification, the product showed the evidence but did not create a fix path. Moving toward quarantine or reject required our own spreadsheet, DNS notes, and stakeholder follow-up.
Where it wins
Fast setup for all three domains
Simple weekly and monthly digests
Clear view of known senders
Transparent per-domain pricing
Where it lags
Unknown sender ownership stayed manual
Forwarded SPF failure needed explanation
No hosted SPF or MTA-STS
Limited MSP account separation
Pricing
$14 / month per domain
Free tier
Yes
Onboarding
Fast self setup
G2 rating
0 / 5
Send-Shield
A better fit when DMARC rollout needs support and policy planning
Send-Shield felt more like a DMARC implementation engagement than a lightweight reporting inbox. It handled the Microsoft 365, Google Workspace, SendGrid, Mailchimp, and support desk mix with more explanatory structure, especially when we had to separate forwarding noise from real authentication failure.
The tradeoff was fit and pricing complexity. The Starter tier was constrained to one active domain and low volume, while the Large test segment needed Enterprise because 10 domains exceeded the Plus domain cap. For teams that need meetings, escalation, and implementation guidance, that structure is useful; for small teams, it can be more process than they need.
Where it wins
Clearer policy movement path
Useful explanation for forwarding
Support grows by tier
Volume tiers fit larger senders
Where it lags
No permanent free plan published
Large domain sets get expensive
Hosted SPF not publicly listed
MSP separation remained unclear
Pricing
From £19.99 / month
Free tier
14-day trial
Onboarding
Guided on paid tiers
G2 rating
0 / 5
Pricing
DMARC Digests by Postmark
Send-Shield
Suped
Small
1 domain, up to 1k emails / month.
$0
Free Monitoring covers one domain with weekly email reports and 7 days of history.
£19.99 / month
Starter covers one active domain and up to 10k DMARC capable messages, billed annually.
$0 / month
Free plan covers 1 domain and 1,000 monthly emails.
Medium
2 domains, up to 100k emails / month.
$28 / month
Two paid monitored domains at $14 per domain, with no listed message volume limit.
£49.99 / month
Core covers up to 2 active domains and 100k DMARC capable messages, billed annually.
Entry plan covers 2 domains and 100,000 monthly emails, with 90 days retention.
Large
10 domains, up to 1 million emails / month.
$140 / month
Ten paid monitored domains at $14 per domain, with no listed message volume limit.
From £699 / month
Enterprise is the first listed tier that covers 10 active domains because Plus covers up to 8.
10 domains and 1,000,000 monthly emails, with 365 days retention.
Enterprise
Over 20 domains and 1 million emails / month.
From $280 / month
This estimate starts at 20 paid monitored domains and increases by $14 for each added domain.
Not publicly listed as of May 15, 2026
Public Enterprise pricing starts at up to 15 active domains, so over 20 domains is not listed.
20 domains and 2,500,000 monthly emails, with 365 days retention. Unlimited domains/emails negotiable.
DMARC Digests totals are calculated from public $14 per monitored domain pricing. Send-Shield figures are public annual-billing monthly list prices where the listed tier covers the segment; the over-20-domain case 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 fixes after detection
DMARC Digests surfaced the spoof sample and unknown sender, but the next step stayed manual. Suped's product ties each source to a fix path, owner, and policy effect so teams can move enforcement without rebuilding notes.
Operational alerts, less digest work
Postmark relied on digest-style review, while Send-Shield's useful alerts were tied to its service model. Suped's product focuses alerts on new senders, authentication failures, and policy risk so teams can route incidents without rechecking every report.
MSP and domain ownership
Send-Shield gave better managed handoff than Postmark, but neither test setup gave us the client separation and recurring handoff notes an MSP expects. Suped's product keeps domains, source owners, reports, and remediation work separated by account.
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 DMARC Digests by Postmark or Send-Shield?
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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