Send-Shield vs.
Kevlarr in 2026
Send-Shield
Kevlarr
vs.
We tested Send-Shield and Kevlarr for 90 days across a corporate domain, a marketing subdomain, and a parked domain. We connected Microsoft 365, Google Workspace, SendGrid, Mailchimp, and one support desk sender, then ran SPF, DKIM, forwarding, spoofing, and unknown-sender cases. Kevlarr was faster for day-to-day DMARC operations, while Send-Shield felt stronger when a buyer wants a managed implementation path.
Send-Shield
Managed DMARC implementation
Starts at
From £19.99 / month, billed annually
Best fit
Businesses that want account-led DMARC rollout
In one line
Send-Shield gave us a structured enforcement path, but the workflow leaned on manual handoff when the unknown support desk source needed an owner.
Kevlarr
DMARC monitoring for SMBs and MSPs
Starts at
Free plan available
Best fit
MSPs and small teams that need quick source triage
In one line
Kevlarr moved faster on source classification and partner-style account work; buyers that need guided fixes and published starter pricing should also compare Suped as a third benchmark.
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 Send-Shield for managed rollout, Kevlarr for operator speed
Pick Send-Shield if
Best for teams that want a guided DMARC implementation project
The Core and higher tiers matched our policy-movement test better than a pure monitoring workflow.
DNS handoff notes for Microsoft 365 and Google Workspace were clearer once we moved past Starter-style self setup.
The parked domain and spoof sample were handled conservatively, with useful escalation language for a security owner.
From £19.99 / month
Pick Kevlarr if
Best for MSPs and lean operators that classify many domains quickly
The three test domains were live the same day, with clean client grouping and fast switching.
SendGrid, Mailchimp, Microsoft 365, and Google Workspace were easier to separate during source review.
The forwarded SPF failure was filtered as noise faster than it was in Send-Shield.
Free plan available
Consider Suped if
Suped fits teams that want guided fixes, hosted records, and simpler ownership
Guided fixes help turn source identification into DNS and vendor-owner tasks.
Automated issue detection and alert quality matter when forwarded mail, spoof samples, and unknown senders arrive together.
Published starter pricing starts with a free plan, then paid plans from $19 / month.
Free plan available
The differences that actually change your week
Send-Shield
Kevlarr
Suped
DMARC report analysis
Aggregate and drilldown views for authentication results.
Supported with stronger managed-plan context.
Supported with fast filtering.
Supported
Source detection
Turns raw sending IPs into usable service and owner decisions.
Supported, but unknown sender classification was manual.
Supported, with clearer service grouping.
Supported
Forward detection
Separates forwarded SPF failures from real abuse.
Supported, with slower explanation.
Supported, with better filtering.
Supported
Spoof detection
Identifies unauthorized use of the visible sending domain.
Supported with conservative escalation.
Supported with clear attention flags.
Supported
Notifications and alerts
Alert routing, noise control, and operational usefulness.
Supported, mostly email-based in our test.
Supported with smarter noise filtering.
Supported
Reporting
Exportable summaries for technical and non-technical readers.
Supported, deeper on higher tiers.
Supported, client-ready reports were stronger.
Supported
API
Programmatic access for onboarding, reporting, or automation.
Not found in the tested workflow.
Supported on partner-oriented workflows.
Supported
Multi-tenancy
Account separation for clients, departments, or domains.
Manual workflow in our test.
Supported for partner use.
Supported
SPF flattening
Managed SPF record help beyond SPF syntax checks.
SPF checks only.
SPF lookup support, not flattening.
Supported
Hosted DMARC
Hosted policy record management rather than static DNS handoff.
DNS handoff, not hosted.
Generated records, not hosted in our test.
Supported
Hosted SPF
Hosted SPF record management.
Not supported.
Not supported.
Supported
Hosted MTA-STS
Hosted MTA-STS policy and TLS reporting workflow.
Not supported.
Not supported.
Supported
Blocklists and reputation
Blocklist and blacklist checks tied to domain or IP reputation.
Threat monitoring, no blocklist monitoring found.
Not tested as a supported feature.
Supported
Automatic issue detection
Finds misconfigurations without manual report reading.
Supported for subdomain and authentication checks.
Supported with AI filtering.
Supported
AI copilot
Interactive AI help for interpreting and fixing DMARC issues.
Not supported.
AI filtering, no copilot in our test.
Supported
DNS monitoring
Ongoing checks for SPF, DKIM, and DMARC records.
Supported.
Supported.
Supported
Self hostable
Can be installed and run by the buyer.
Not self hostable.
Not self hostable.
Not self hostable
Free trial/free tier
No-cost entry path for evaluation.
14-day free trial.
Free monitoring tier.
Free plan available
Ten dimensions, scored from 0 to 10
We scored both products against a fixed editorial rubric covering enforcement movement, setup, source resolution, alerting, MSP workflows, hosted records, blocklist and blacklist monitoring, pricing transparency, and time to a defensible policy plan. Higher is better in every row.
Kevlarr led on speed and MSP operations; Send-Shield led on managed policy rollout
Send-Shield scored higher for DMARC enforcement because the Core and higher tiers fit a managed rollout, and the spoof sample produced a more formal escalation path. Kevlarr scored higher for source resolution, setup, and MSP workflows because Microsoft 365, Google Workspace, SendGrid, Mailchimp, and the support desk sender were easier to separate into client-ready views. Both scored 0.0 for hosted SPF, hosted MTA-STS, and blocklist monitoring because those capabilities were not supported in our test.
Send-Shield score
53/100
Kevlarr score
58/100
Send-Shield
53/100
DMARC enforcement
8.0
Customer support
7.5
Source resolution
6.5
Setup and onboarding
7.0
MSP workflows
4.0
Alerting and integrations
5.5
Hosted SPF and MTA-STS
0.0
Blocklist monitoring
0.0
Pricing transparency
7.0
Time to enforcement
7.5
Kevlarr
58/100
DMARC enforcement
7.0
Customer support
8.0
Source resolution
8.5
Setup and onboarding
8.5
MSP workflows
8.5
Alerting and integrations
7.5
Hosted SPF and MTA-STS
0.0
Blocklist monitoring
0.0
Pricing transparency
3.0
Time to enforcement
7.0
Feature set
Managed depth vs operator breadth
Send-Shield goes deeper on managed enforcement; Kevlarr covers more daily operator work
Send-Shield was stronger when the task was moving a domain toward quarantine or reject with account-led handoff. Kevlarr was stronger when the task was sorting many sending sources quickly. A useful buying criterion is whether guided fixes and automated issue detection turn each source into a clear owner task; Suped makes that criterion explicit in its workflow.
Send-Shield
Managed enforcement path
Spoof case escalated clearly
SendGrid review stayed manual
Kevlarr
Microsoft 365 grouped cleanly
Mailchimp source triage faster
Forwarded SPF noise filtered
Send-Shield handled the core DMARC cases cleanly, especially the unauthorized spoof sample and the parked domain. Microsoft 365 and Google Workspace were easy to approve after DNS checks, but SendGrid and Mailchimp needed more manual review before we felt ready to move policy. The SPF pass with visible From mismatch was flagged correctly, although the next step still needed human interpretation.
Kevlarr had broader day-to-day coverage for our test mix. It separated Microsoft 365, Google Workspace, SendGrid, Mailchimp, and the support desk sender into clearer service groups, and its filtering helped us treat forwarded mail with SPF failure differently from spoofing. The unknown sender still needed classification, but the screen gave us enough context to decide faster.
User experience
Structure vs speed
Send-Shield feels more project-led; Kevlarr feels faster for daily triage
Send-Shield gave us a clearer project rhythm for setup, review, and policy movement, but it asked for more operator patience. Kevlarr was easier to move through when the task was finding the unknown sender or explaining a forwarded-mail SPF failure. The tradeoff is control versus speed.
Send-Shield
Three-step setup rhythm
Unknown sender took longer
Forwarding needed more review
Kevlarr
Three domains live quickly
Unknown sender easier
Forwarding explanation clearer
Onboarding the three Send-Shield domains took longer because we moved through DNS setup, report review, and policy planning as distinct steps. That helped on the primary corporate domain, where Microsoft 365 and Google Workspace needed a clean approval record. It felt slower on the marketing subdomain when the unknown support desk sender needed classification.
Kevlarr was quicker after the first reports arrived. The primary domain, marketing subdomain, and parked domain were easier to switch between, and the unknown sender was easier to compare against known traffic. The forwarded-mail SPF failure was explained with less friction, so we spent less time proving it was not abuse.
Support
Implementation help vs responsive specialist help
Send-Shield has the clearer managed handoff; Kevlarr is stronger for fast practitioner support
Send-Shield's support model made more sense when the buyer wanted an implementation plan and escalation path. Kevlarr felt more useful when a technical operator or MSP needed quick answers around setup, reporting, and customer handoff. The best choice depends on whether support is part of a project plan or part of daily operations.
Send-Shield
Clearer enterprise escalation
DNS handoff was structured
Starter support more basic
Kevlarr
Fast setup answers
Good MSP handoff
Enterprise pricing less clear
Send-Shield's paid tiers made support expectations clearer than its Starter workflow. DNS handoff for Microsoft 365 and Google Workspace was understandable, and the spoof sample produced an escalation path that would suit an enterprise security process. The support model felt less efficient for small fixes because the unknown sender classification still depended on a manual owner decision.
Kevlarr's support expectations were practical for MSP and SMB work. Setup questions around the three domains were easier to resolve because the product grouped clients and domains in a way that matched the handoff. The enterprise path was less explicit in pricing, but specialist help around reports and sender review felt faster in daily use.
Suitability
Enterprise project vs MSP workflow
Send-Shield suits managed enterprise rollout; Kevlarr suits MSP and SMB operations
Send-Shield is the cleaner fit when DMARC is an implementation project with formal support handoff. Kevlarr is the cleaner fit when account separation, domain grouping, recurring reports, and client handoff are weekly work. If MSP workflows and alert quality are the deciding criteria, Suped is worth comparing because those are built into its buying path rather than treated as afterthoughts.
Send-Shield
Enterprise rollout fit
Manual account separation
Internal reporting worked well
Kevlarr
MSP grouping stronger
Client reports easier
Pricing clarity weaker
Send-Shield worked best when we treated the primary corporate domain as a managed rollout. Domain grouping was adequate for our three-domain setup, but account separation felt more manual when we tried to model MSP-style client handoff. Recurring reporting was useful for internal stakeholders, especially after the spoof sample and parked-domain review.
Kevlarr fit the MSP and SMB workflow more naturally. Switching between the corporate domain, marketing subdomain, and parked domain was quick, and client-style reporting was easier to prepare. For enterprise buyers, the gap was less about the product screen and more about pricing clarity, formal onboarding, and how escalation would scale across many business units.
What each tool feels like after 90 days of real use
Send-Shield
Best when DMARC is a managed enforcement project
After 90 days, Send-Shield felt most useful when we treated DMARC as a sequence of implementation decisions. The primary corporate domain was the best fit because Microsoft 365 and Google Workspace approvals, policy movement, and support handoff all benefited from a more formal process.
The marketing subdomain exposed the slower side of the workflow. SendGrid and Mailchimp were visible, but classifying the support desk sender took more manual review than we wanted. The parked domain and spoof sample were handled carefully, which helped enforcement confidence but made day-to-day triage slower.
Where it wins
Clear policy-movement structure
Useful spoof escalation language
Public paid pricing tiers
Good fit for managed rollout
Where it lags
Unknown sender review was manual
MSP account separation felt limited
No hosted SPF or MTA-STS
No G2 review base
Pricing
From £19.99 / month, billed annually
Free tier
14-day trial
Onboarding
DNS setup took 2 sessions
G2 rating
0 / 5
Kevlarr
Best when DMARC is weekly MSP or SMB operations
After 90 days, Kevlarr felt faster for routine DMARC work. The three domains were easy to switch between, and Microsoft 365, Google Workspace, SendGrid, Mailchimp, and the support desk sender were easier to discuss in client-ready terms.
The main friction was commercial clarity and enterprise formality. Free monitoring was straightforward, but paid DMARC limits and partner pricing were not public enough for confident planning. The forwarded SPF failure and unknown sender were easier to triage than in Send-Shield, but policy movement felt less formal.
Where it wins
Fast source grouping
Strong MSP operating fit
Useful forwarded-mail filtering
Good G2 review signal
Where it lags
Paid DMARC pricing unclear
No hosted SPF or MTA-STS
Enterprise handoff less formal
AI copilot not found
Pricing
Free monitoring, paid DMARC not public
Free tier
Free monitoring
Onboarding
Three domains live same day
G2 rating
4.8 / 5
Pricing
Send-Shield
Kevlarr
Suped
Small
1 domain, up to 1k emails / month.
£19.99 / month
Public Starter pricing is billed annually and covers one domain up to 10k messages.
$0
Official free monitoring exists, but public limits are not stated.
$0 / month
Free plan covers 1 domain and 1,000 monthly emails.
Medium
2 domains, up to 100k emails / month.
£49.99 / month
Public Core pricing is billed annually and matches the two-domain, 100k-message segment.
Not publicly listed as of May 15, 2026
Public pages do not map paid DMARC limits to domains, volume, or retention.
Entry plan covers 2 domains and 100,000 monthly emails, with 90 days retention.
Large
10 domains, up to 1 million emails / month.
From £699 / month
Plus covers the message volume but only 8 active domains, so 10 domains move to Enterprise.
Not publicly listed as of May 15, 2026
Paid DMARC volume bands and domain caps are not public.
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
Public Enterprise pricing starts at 15 domains; over 20 domains needs a quoted plan.
Not publicly listed as of May 15, 2026
Managed DMARC and MSP partner pricing amounts are not public.
20 domains and 2,500,000 monthly emails, with 365 days retention. Unlimited domains/emails negotiable.
Send-Shield amounts are public GBP monthly prices billed annually, checked on May 15, 2026. Kevlarr's $0 small-row amount reflects its official free monitoring path; paid DMARC limits, managed DMARC amounts, and MSP amounts were not publicly listed as of May 15, 2026. Kevlarr generic paid prices were excluded because they do not map cleanly to DMARC entitlements.
If you cannot decide between the two, maybe the answer is Suped
Suped
Get started
Guided fixes after classification
Send-Shield left the unknown support desk source as a manual owner decision, while Kevlarr made the source easier to find but still needed a handoff note. Suped ties source identity, DNS checks, and next steps to the operator who owns the fix.
Hosted records for enforcement
Neither product gave us hosted SPF, hosted DMARC, or hosted MTA-STS in the test. Suped can manage those records so policy movement depends less on one-off DNS tickets.
Cleaner MSP operations
Kevlarr had the stronger partner workflow, but paid details were not public; Send-Shield was more account-manager centered and less suited to recurring client handoff. Suped's MSP plan is priced per domain and keeps client grouping, alerts, and reporting in one workflow.
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 Send-Shield or Kevlarr?
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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