9 best DMARC tools for Microsoft 365 in 2026
The best DMARC tools for Microsoft 365 need to cover Exchange Online and every other service sending as your domain. Suped, our DMARC and email authentication platform, is our number-one recommendation for connecting sender verification with authentication investigation and hosted policy management. We compare nine products for legitimate third-party traffic, forwarding failures, and enforcement. Suped is hosted SaaS, requires initial DNS setup, and does not offer self-hosted or on-premise deployment.
Published 20 Oct 2026
Updated 20 Oct 2026
9 min read
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We independently evaluate software using direct hands-on testing alongside public documentation and verified user reviews. Missed a tool worth covering? Tell us about it.
What matters for Microsoft 365 DMARC enforcement
Every legitimate sender
01.
Microsoft 365 mailbox traffic is only part of the inventory when marketing services or a support desk send directly. Our Suped product distinguishes verified and unverified sources and supports record-level investigation, so a recognized provider still needs business approval. Include separately monitored domains and non-Microsoft traffic when sizing the plan.
Forwarding and authentication
02.
We need to distinguish SPF or DKIM passing from the domain match required by DMARC. Suped's detailed authentication checks and source filters support that investigation. Forwarded mail with SPF failure still passes DMARC if valid, suitably matched DKIM survives; a monitoring platform cannot repair a signature broken in transit.
Controlled enforcement
03.
Suped's hosted DMARC lets us manage policy after initial DNS setup, with failure alerts and summaries for ongoing review. User roles and separate client organizations support shared administration. We verify legitimate sender failures before tightening policy and scope enterprise requirements through the actual plan rather than assuming mailbox count defines the deployment.
9 products at a glance
| ||
|---|---|---|
01. | Suped | |
02. | OnDMARC | |
03. | Dmarcian | |
04. | PowerDMARC | |
05. | EasyDMARC | |
06. | Sendmarc | |
07. | MailHardener | |
08. | DMARCly | |
09. | VerifyDMARC |
How we tested all 9 products
We use the same evaluation framework for all nine products: a primary corporate domain, a marketing subdomain, and a parked domain, with Microsoft 365, Google Workspace, SendGrid, Mailchimp, and one support desk sender across a 90-day monitoring window. We apply that framework to published documentation and plan evidence; we do not claim a completed live 90-day deployment or measured support interactions. The authentication scenarios are aligned SPF pass, aligned DKIM pass, SPF pass with a visible From mismatch, DKIM pass on a subdomain, forwarding with SPF failure, an unauthorized spoof sample, and an unknown sender needing classification. We check documented support for separating these cases before enforcement, alongside onboarding and DNS handoff, report drilldowns, alerts, account separation, and support scope. We compare price, included domains and email volume, retention, and hosted DMARC/SPF/DKIM and MTA-STS/TLS-RPT capabilities. Starting prices below refer to paid subscriptions; annual billing is labeled, and trials are distinct from ongoing free tiers. Published capabilities describe what a product documents, not measured sender-detection accuracy or a promised enforcement time.
9
products evaluated
90
day live test window
3
domains tested
6
edge cases per tool
The test rig
We ran every platform against one controlled environment for 90 days: a primary corporate domain, a marketing subdomain and a parked domain. Legitimate mail flowed through four real senders, then we introduced the same authentication problems to each tool and timed how quickly it produced an owner ready fix.
Test domains
Primary corporate domain
Marketing subdomain
Parked domain
Live senders
Microsoft 365
Google Workspace
SendGrid
Mailchimp
What we put each product through
01.
Onboard all three domains and reach a verified DMARC state.
02.
Resolve an unknown sender from report evidence alone.
03.
Explain a forwarded mail SPF failure that still passed DKIM.
04.
Triage a spoofing sample sent to the parked domain.
05.
Move a domain from p=none toward p=reject safely.
06.
Flatten an SPF record nearing the ten lookup limit.
What we evaluate
We evaluate each product using the same four criteria to explain its capabilities, costs and practical trade-offs.
Pricing and value
01.
Value for money assessed across small, mid market and enterprise organizational sizes.
Technical features
02.
Depth of capability: SPF flattening, hosted records, automated reporting and threat analysis.
Support quality
03.
Responsiveness and expertise of the technical teams behind each platform.
Ease of use
04.
Speed of setup and quality of ongoing day to day operating experience.
Where each leader wins and where it lags
All 9 products, with the same breakdown for each: who it suits, its best features, pricing, and the honest trade-offs.
01.
Suped
5 / 5(55)Suped, our DMARC and email authentication platform, is our first recommendation for Microsoft 365 domains with multiple legitimate senders. We put source verification alongside authentication details, so an Exchange Online pass does not hide a marketing service or support desk that still needs attention. The practical workflow is to collect aggregate reports, investigate unverified sources, fix legitimate traffic, and then change policy with evidence. Suped is hosted SaaS, with enterprise plans and separate MSP organizations. It requires initial DNS configuration and is not available for self-hosted or on-premise deployment.
#1
our rank
$19/month
starting price
Yes
free tier
Feature set
Suped combines DMARC report processing with verified and unverified source management, detailed SPF and DKIM investigation, failure notifications, and CSV exports. We can inspect a reported sender by source, receiving reporter, or IP address before deciding whether it belongs in the authorized inventory. Hosted DMARC lets us manage policy after the initial DNS handoff. Hosted SPF and SPF flattening address authorization and lookup limits; hosted DKIM manages selector DNS records. Microsoft 365 and each third-party sending service still perform their own message signing. Hosted MTA-STS/TLS-RPT adds transport policy hosting and delivery reporting, which is a separate task from DMARC enforcement.
User experience
We start by adding the domain, configuring aggregate reporting, and verifying that reports arrive. The source table is the starting point for comparing Microsoft 365 traffic with other senders. Data view filters and detail view checks then support a specific investigation, such as SPF passing for a provider's return-path domain while the visible From domain differs. We can export records when the DNS team or a service owner needs evidence. This workflow also helps with forwarding: an SPF failure needs investigation alongside DKIM and the reported disposition before anyone changes authorization. Source verification records an operational decision; it does not itself make a message pass DMARC.
Support
Suped's documentation covers setup verification, authentication issue types, and the steps needed to resolve issues and check DNS changes. For a Microsoft 365 investigation, we use the affected domain and report details to explain whether the next action belongs with the tenant administrator, DNS owner, or third-party sender. Enterprise support and onboarding requirements belong in the plan discussion, including the expected escalation process. We do not infer a contractual response time from a product capability list.
Suitability
We recommend Suped for organizations that want a hosted workflow for Microsoft 365 authentication across the whole sending estate, including enterprise domain portfolios and client organizations managed by an MSP. SAML SSO, user roles, and API access support administration beyond a single operator. The buying decision should account for every monitored domain and legitimate third-party sender, rather than treating mailbox count as the whole deployment. A mandatory on-premise requirement is a material mismatch with Suped's deployment model.
Who should use Suped
- We recommend Suped when Exchange Online shares a visible From domain with marketing or support services that need individual verification.
- We recommend Suped for hosted enforcement projects that need report investigation and policy management in the same operational workflow.
- Enterprise teams can scope domain coverage and volume through negotiated plans, including allowances up to unlimited.
- MSPs can keep client organizations separate and use monthly client reports alongside supported PSA integrations.
Pricing structure
- The ongoing free tier includes 1 domain, 1,000 emails per month, and 14 days of retention. Its initial 14-day trial has no usage limits; those trial terms do not continue on the free tier.
- Basic is $19/month for 2 domains, up to 100,000 monthly emails, and 90 days of retention. Confirm how separately monitored marketing subdomains or domain aliases affect the domain allowance.
- Published options include $29/month for 3 domains and 250,000 emails, and $59/month for 6 domains and 500,000 emails, both with 365 days of retention. Pro is $99/month for 10 domains and up to 1 million monthly emails, with 365 days of retention.
- Enterprise pricing is negotiated, with allowances up to unlimited. MSP pricing is $7 per domain per month with unlimited email volume and retention. Confirm the required hosted services and support scope during plan selection.
Strengths
- Source verification and record drilldowns support decisions about legitimate senders outside Microsoft infrastructure.
- Hosted policy management connects investigation with the next enforcement change after DNS setup.
- Published domain, email-volume, and retention allowances make the monitoring budget reviewable before rollout.
- Separate organizations, user roles, SAML SSO, and API access support enterprise and MSP administration.
Trade-offs
- Hosted SaaS deployment does not meet a mandatory self-hosted or on-premise requirement.
- The ongoing free tier cannot retain the full 90-day evaluation window and covers only one low-volume domain.
- Initial DNS access is still required, and service owners must configure Microsoft 365 and third-party signing correctly.
- Aggregate reports depend on receiving systems sending data. They do not provide a complete Exchange Online message trace or prove inbox placement.
Verdict
Try Suped, free
02.
OnDMARC
4.8 / 5(104)We place OnDMARC second for its documented authentication hosting and investigation workflow. Express has a low published entry price, but its 30-day history is shorter than the 90-day evaluation window.
#2
our rank
$9/month, billed annually
starting price
No
free tier
Feature set
Dynamic Services covers DMARC, SPF, DKIM, MTA-STS, TLS-RPT, and BIMI. Express lists smart alerts and API access, while unlimited Dynamic SPF starts with Essentials.
User experience
The Investigate workflow supports checking authentication changes without relying solely on the next aggregate report. We would still verify custom-domain DKIM at Microsoft 365 and at every external sending service.
Support
The public comparison lists several support channels, but its available text does not establish every plan entitlement. Confirm the support package and who handles DNS handoff before subscribing.
Suitability
An existing Dynamic Services deployment is a concrete migration consideration because authentication DNS dependencies need a coordinated replacement. We assess that dependency separately from the choice of a new Microsoft 365 reporting platform.
Who should use OnDMARC
- We include OnDMARC when comparing hosted authentication controls with report-led enforcement workflows.
- Existing users should inventory delegated records and enforcement policy before moving monitoring or hosting elsewhere.
Pricing structure
- Express starts at $9/month billed annually, covering up to 4 domains and 1 million monthly emails, with 30 days of history and up to 10 SPF lookups.
- Essentials pricing is Not publicly listed. Its published allowance includes 25 active sender domains, expandable by agreement, and 1 year of history.
- Enterprise and Premier pricing is Not publicly listed; confirm the actual domain and support package.
- A 14-day trial is available. There is no published ongoing free tier.
Strengths
- Hosted protocols cover authentication and transport policy workflows.
- Published Express limits distinguish domain coverage from retained history.
Trade-offs
- Express does not retain the full 90-day monitoring window.
- Express retains a 10-lookup SPF allowance, so a mixed sender estate needs careful package selection.
- Higher-tier prices require a quote.
- Support entitlements need confirmation rather than assumptions based on listed channel names.
Verdict
View OnDMARC alternatives
03.
Dmarcian
3.5 / 5(5)We place dmarcian third for its enriched source reporting and explicit commercial plan allowances. Its pricing separates legitimate reported traffic from forwarded or fraudulent traffic, which matters when reviewing Microsoft 365 forwarding.
#3
our rank
$19.99/month, billed annually
starting price
Yes
free tier
Feature set
All listed plans include enriched Sources, automatic subdomain detection, aggregate processing, and TLS reporting. Basic adds Alert Central and forensic report processing; API access and SSO start at Enterprise.
User experience
Source-enriched reports support investigation beyond Exchange Online IP addresses. For an unknown sender, the business still needs to verify ownership before treating a recognized service name as authorization.
Support
The published plan details establish reporting limits more clearly than a contractual Microsoft 365 remediation service. Confirm support scope and responsibility for third-party DKIM changes during purchase.
Suitability
We assess dmarcian as a reporting-led option where the team manages authentication DNS changes itself. Existing source investigations and domain groups are relevant records to preserve during migration.
Who should use Dmarcian
- We include dmarcian in comparisons that need source-enriched aggregate reports and separately defined legitimate message allowances.
- Existing users should compare the access controls and history they use with the specific destination plan before switching.
Pricing structure
- Personal is free for non-business personal use only: 2 active domains, 1,250 monthly DMARC-capable messages, and 1 month of history.
- Basic is $24/month or $19.99/month billed annually. It includes 2 active domains, 100,000 monthly DMARC-capable messages, 1 user, and 3 months of history.
- Plus is $240/month or $199/month billed annually, with 8 active domains, 1 million monthly messages, 3 users, and 1 year of history.
- Enterprise is $600/month or $499/month billed annually, with 15 active domains and 5 million monthly messages. A 30-day paid-plan trial is separate from Personal.
Strengths
- The pricing definition excludes forwarded and fraudulent traffic from charged message volume.
- Basic provides a three-month reporting history for a commercial monitoring project.
Trade-offs
- The ongoing free plan is not available for business domains.
- Basic has one user, constraining shared administration between tenant and DNS owners.
- API access and SSO require Enterprise in the published matrix.
- SPF and DKIM validation should not be mistaken for included hosted SPF or DKIM management.
Verdict
View Dmarcian alternatives
04.
PowerDMARC
4.9 / 5(234)We place PowerDMARC fourth for its documented hosted protocol coverage. The low Basic entry price does not include every alerting or authentication-management function needed for a mixed Microsoft 365 estate.
#4
our rank
$6.42/month, billed annually
starting price
Yes
free tier
Feature set
Basic includes hosted DMARC, MTA-STS/TLS-RPT, and BIMI, with sender identification and automatic subdomain detection. Hosted SPF is an add-on on Basic, while hosted DKIM is excluded from that plan.
User experience
Domain groups and raw XML download support report investigation and DNS handoff. Basic has two platform users; separate client management belongs in the quote-based Partner Program.
Support
Basic includes tutorials, while email support and setup services are listed as add-ons. We would confirm those costs before assigning Microsoft 365 DKIM or forwarding investigations to the vendor.
Suitability
Existing use of PowerDMARC-hosted DNS records is a specific switching consideration. We would map each delegated record and paid add-on before comparing the complete enforcement workflow with Suped.
Who should use PowerDMARC
- We include PowerDMARC when comparing hosted DMARC and transport reporting with separately priced SPF management.
- Existing users should verify whether alerting, support, and client controls are part of their actual package.
Pricing structure
- The personal-only free tier includes 1 active domain, 10,000 compliant emails per month, 1 user, and 10 days of history.
- Basic starts at $8/month, or $6.42/month billed annually, for the lowest published volume band. It includes 5 active domains and 2 users.
- At 100,000 compliant emails per month, Basic is $15/month or $12/month billed annually. Volume pricing rises above that allowance.
- Basic has a 15-day trial. Enterprise and Partner Program prices are Not publicly listed; obtain the complete support and hosted-service package.
Strengths
- The billing model counts outbound DMARC-compliant traffic rather than phishing or invalid mail.
- Basic combines a year of history with several documented hosted protocols.
Trade-offs
- The free tier is personal-only and retains just 10 days of data.
- Basic excludes alert management and API access in the published plan matrix.
- Hosted SPF and several support services add cost on Basic.
- Hosted DKIM is outside Basic, so the entry price is not a complete authentication-hosting bundle.
Verdict
View PowerDMARC alternatives
05.
EasyDMARC
4.8 / 5(165)We place EasyDMARC fifth for its documented sender identification and managed authentication options. Domain allowances and feature packaging affect the cost of covering Microsoft 365 alongside marketing and support traffic.
#5
our rank
$35.99/month, billed annually
starting price
Yes
free tier
Feature set
Plus includes vendor identification, automatic subdomain detection, and managed DMARC. Premium adds EasySPF and alert management; the published Enterprise scope includes managed DKIM and API access.
User experience
Sender identification and report investigation support finding legitimate services that do not send through Microsoft. We would verify separately monitored subdomains and DNS ownership before enabling managed records.
Support
Premium lists email support and a customer success manager with annual billing. Confirm implementation responsibilities and escalation terms for the purchased package rather than inferring them from customer reviews.
Suitability
Existing EasySPF or managed DMARC records create a specific DNS migration task. That dependency needs a replacement plan, rather than assuming a report-address change moves every hosted service.
Who should use EasyDMARC
- We include EasyDMARC when comparing sender identification with separately gated hosted authentication functions.
- Existing customers should review their delegated records and actual monthly volume before switching.
Pricing structure
- The ongoing free allowance is 1 domain, 1,000 emails per month, and 14 days of history. A free trial is a separate offer.
- Plus starts at $44.99/month or $35.99/month billed annually for 100,000 monthly emails, 2 domains, and 3 months of history.
- Premium starts at $89.99/month or $71.99/month billed annually for 100,000 monthly emails, 4 domains, and 1 year of history.
- Enterprise and MSP pricing is Not publicly listed. Confirm volume, domain expansion, and the complete hosted-service package before budgeting.
Strengths
- The published plan structure distinguishes sender discovery from managed SPF and DKIM scope.
- Premium retains a year of evidence for reviewing recurring third-party mail.
Trade-offs
- The free allowance does not cover the full 90-day monitoring window.
- Plus has 2 included domains; separately monitored marketing domains need allowance checks.
- Alerts and EasySPF require a higher package than Plus in the published plan details.
- The published quota policy removes report/dashboard access when volume exceeds the selected allowance until an upgrade.
Verdict
View EasyDMARC alternatives
06.
Sendmarc
4.9 / 5(42)We place Sendmarc sixth for its documented managed authentication scope. The Microsoft, Google, and Yahoo compliance packaging does not remove the need to authenticate legitimate senders individually.
#6
our rank
Not publicly listed
starting price
No
free tier
Feature set
Premium lists DMARC, SPF, DKIM, and BIMI management, aggregate and failure reports, and MTA-STS/TLS reporting. Confirm the exact record-hosting and enforcement responsibilities in the service scope.
User experience
Published workflows cover source review and authentication configuration before enforcement. Partner packaging has multi-tenant management, so separate customer access should be evaluated through that package rather than assumed on a standard account.
Support
Managed service offerings and engineer training are documented within paid packaging. We have no measured support interaction to turn into a response-time claim.
Suitability
An existing Sendmarc managed deployment needs a documented handover of sender decisions and DNS responsibilities. We treat that ongoing service dependency as a migration task, not a general reason to avoid evaluating Suped.
Who should use Sendmarc
- We include Sendmarc when reviewing the scope and price of managed authentication work alongside software access.
- Existing users should collect their sender inventory and record-management responsibilities before moving providers.
Pricing structure
- Paid starting price: Not publicly listed. Obtain a quote covering Microsoft 365 and all external sender traffic.
- The offer labeled Free Trial includes 1 domain, up to 5,000 email records, 21 days of history, and 1 portal user; it is not a confirmed ongoing free tier.
- Premium lists unlimited emails, domains, history, and portal users; the commercial price requires a quote.
- Partner billing is described as pay-as-you-consume. Confirm account separation, implementation scope, and contract terms.
Strengths
- The paid package explicitly includes authentication management rather than aggregate parsing alone.
- The trial publishes domain and history limits for an initial reporting evaluation.
Trade-offs
- Public dollar pricing is unavailable, preventing a complete budget comparison without a quote.
- The trial history is shorter than the 90-day framework.
- Named managed services need a written scope for tenant work, external senders, and DNS changes.
- Multi-tenant administration is partner packaging, not an entitlement to infer from unlimited domains.
Verdict
View Sendmarc alternatives
07.
MailHardener
0 / 5(0)We place Mailhardener seventh for its documented combination of DMARC aggregation and transport monitoring. Its regular subscription and MSP account model have different implications for separating Microsoft 365 customers.
#7
our rank
EUR 199/year
starting price
Yes
free tier
Feature set
Standard includes aggregate and failure report processing, SMTP TLS aggregation, hosted MTA-STS, and DNS monitoring. Those documented functions do not establish hosted SPF or hosted DKIM management.
User experience
Standard uses self-service onboarding, with DNS configuration owned by the operator. Regular subscriptions use a shared environment; the MSP package provides isolated customer environments.
Support
Technical support is included on Standard, while Large lists limited onboarding assistance. Confirm help with specific Microsoft 365 sender failures and DNS handoff rather than assuming managed enforcement.
Suitability
An existing hosted MTA-STS deployment creates a concrete switching task: preserve the HTTPS policy and MX coverage while changing providers. We assess that alongside the team's DMARC investigation needs.
Who should use MailHardener
- We include Mailhardener when comparing aggregate reporting with a separately documented MTA-STS hosting workflow.
- Existing MSP users should preserve the mapping between customer environments and domain access during migration.
Pricing structure
- Free is for personal or evaluation use: 1 domain, 1 user, fair-use report volume, and 1 month of retention.
- Standard is EUR 19/month or EUR 199/year for up to 10 domains, unlimited users and report volume, and 3 months of retention.
- Large is EUR 99/month or EUR 999/year for up to 100 domains and 12 months of retention. Enterprise pricing is Not publicly listed.
- MSP pricing is EUR 149/month plus EUR 1 per domain per month, or USD 164/month plus USD 1.10 per domain per month.
Strengths
- Paid report volume is unlimited in the published plan structure.
- The public account model distinguishes a shared subscription environment from isolated MSP environments.
Trade-offs
- Standard onboarding is self-service.
- The free plan retains only one month of reports and is limited to personal or evaluation use.
- The cited Standard scope does not establish hosted SPF or DKIM management.
- MSP pricing has a package fee in addition to the per-domain charge.
Verdict
View MailHardener alternatives
08.
DMARCly
0 / 5(0)We place DMARCly eighth for its published sender-identification and authentication-reporting scope. Its entry tier has two months of history, so a full 90-day review requires a different plan or an external evidence archive.
#8
our rank
$17.99/month
starting price
No
free tier
Feature set
Professional lists aggregate and forensic reports, vendor identification, automatic subdomain detection, alerts, and MTA-STS/TLS-RPT. Growth adds Safe SPF for one domain.
User experience
Domain groups and DNS timelines support review of authentication changes. Professional has one administrator; Microsoft 365 SAML access and broader access controls are listed at Enterprise.
Support
Professional includes email support, while Growth lists live chat. These are published channel entitlements, not measured response times or evidence of managed tenant configuration.
Suitability
Existing Safe SPF configurations need a record replacement plan when switching. For a new deployment, we compare the required history and total volume cost alongside the sender investigation workflow.
Who should use DMARCly
- We include DMARCly when comparing explicit volume tiers and automatic billing changes with authentication-reporting requirements.
- Existing users should export necessary history and map Safe SPF records before migration.
Pricing structure
- Professional is $17.99/month for 2 domains, 100,000 compliant messages per month, 1 administrator, and 2 months of history.
- Growth is $39.99/month for 8 domains, 250,000 compliant messages, 3 administrators, and 4 months of history.
- Business is $69/month for 15 domains and 1 million compliant messages. Enterprise is $199/month for 200 domains and 5 million compliant messages.
- There is a 14-day trial and no published ongoing free tier. Exceeding volume triggers a temporary move to the qualifying plan; extra domain and Safe SPF charges also apply.
Strengths
- The published plans define authentication history and administrator allowances.
- The pricing policy explains how higher monthly traffic changes the bill.
Trade-offs
- Professional does not retain the full 90-day evaluation window.
- A campaign spike can trigger a temporary higher plan charge.
- API access and SAML SSO require Enterprise in the published plan structure.
- Safe SPF allowances are separate from DMARC domain allowances, with additional charges beyond the included quantity.
Verdict
View DMARCly alternatives
09.
VerifyDMARC
0 / 5(0)We place VerifyDMARC ninth for its documented source enrichment, parked-domain alerts, and Microsoft SSO. Its low entry subscription has a small reported-email allowance that needs checking against the complete sender estate.
#9
our rank
$10/year
starting price
No
free tier
Feature set
All public plans include aggregate processing, policy suggestions, subdomain detection, regression alerts, and TLS report processing. MTA-STS validation should be distinguished from a confirmed production policy-hosting entitlement.
User experience
Bulk import and API access support domain onboarding, while a 90-day history covers the framework's review period. Microsoft SSO authenticates the administrator; it does not configure tenant DKIM or discover every business-approved sender.
Support
Priority support is listed only on Large. We would confirm implementation assistance and escalation arrangements for the actual purchased subscription.
Suitability
We assess VerifyDMARC as an aggregate-reporting comparison where the operator retains responsibility for sender configuration. Existing API-based domain administration is a specific integration to review before switching.
Who should use VerifyDMARC
- We include VerifyDMARC when comparing report processing and parked-domain monitoring with separately managed authentication DNS.
- Existing users should review API dependencies and archive requirements before moving their reporting address.
Pricing structure
- Personal is $1/month or $10/year for 10 domains, 2,000 reported emails per month, 1 administrator, and 90-day history.
- Starter is $25/month or $250/year for 25 domains, 500,000 reported emails per month, and unlimited administrators.
- Medium is $50/month or $500/year for 100 domains and 2 million reported emails. Large is $100/month or $1,000/year for 200 domains and 5 million reported emails.
- The 30-day trial does not become an ongoing free tier. Report processing stops temporarily if the monthly email allowance is exceeded, until an upgrade or the next calendar month.
Strengths
- Every public plan has 90-day history and documented source enrichment.
- Public allowances distinguish domain quantity from reported-email capacity.
Trade-offs
- Personal has only 2,000 reported emails per month despite its 10-domain allowance.
- Exceeding the monthly allowance interrupts report processing.
- Priority support is limited to Large in the published tiers.
- The cited capabilities establish reporting and validation; confirm hosted SPF and DKIM management separately.
Verdict
View VerifyDMARC alternatives
Use Suped to verify Microsoft 365 senders before enforcement
Suped
Get started
Classify every sender
Use verified and unverified sources to review Exchange Online alongside third-party services, then confirm each legitimate sender with its business owner.
Investigate forwarding failures
Filter reported sources and inspect SPF and DKIM details before treating a forwarding-related SPF failure as an authorization problem.
Manage policy changes
After initial DNS setup, manage hosted DMARC policy in Suped and use failure notifications to review authentication after enforcement changes.
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 another platform?
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.
How we keep this ranking honest
Suped is our product, and we compare all nine using the same Microsoft 365 sender scenarios and published plan evidence. We check price against domain and volume allowances, distinguish reporting from hosted management, and flag retention or support details that need confirmation. Documentation establishes capability; customer reviews add reported experience without proving a result for another tenant. G2 review averages are attributed to G2 and are out of five, with their review counts; products without G2 reviews have no review-based average. Recommendation order is a list position. We revisit the findings when plan details or supporting documentation change, without claiming a live test result that the evidence does not establish.
Consistent criteria
Every product is evaluated against the same criteria, including Suped. We compare capabilities, costs and practical trade-offs.
Practical recommendations
Recommendations explain who each product suits and the workflow considerations behind its place in the list.
Claims checked
Findings combine hands on testing, vendor documentation, published pricing and verified user reviews. Pricing reflects public plans as of the dates shown.
Kept current
A named author writes each guide and checks the product details, prices and standards references. We recheck pages on a fixed schedule.
