Best DMARC Tools for Agencies and MSPs in 2026 | DMARCeye

This guide compares the following seven DMARC monitoring platforms, with a view to their suitability for managed service providers (MSPs): DMARCeye, DMARC Report, Suped, Sendmarc, EasyDMARC, PowerDMARC, and dmarcian. Each is scored on the four capabilities that decide whether a platform can run DMARC as a service: per-client access, branding you control, a workable billing model, and the level of partner support.

All information in this article was verified directly from vendor websites at the time of publication.

What's in This Guide

• What Makes DMARC Different for Agencies?
• What Does DMARC Tooling for Agencies Need to Do?
• How We Picked These Seven Tools
• The 7 Best DMARC Tools for Agencies and MSPs
• What a Client Portfolio Costs
• Which Tool Fits Which Agency?
• Common Questions About DMARC Tools for Agencies
• The Takeaway

What Makes DMARC Different for Agencies?

A company protecting its own domain picks a plan, publishes a record, and watches one dashboard. An agency or an MSP runs the same work across ten, thirty, or a hundred domains it does not own. Each domain brings its own DNS provider, its own mix of sending services, and a client on the other end who wants proof the retainer is producing something.

This changes what the tooling needs to do, because it creates three problems that a single-domain buyer never has:

• Plan caps make a growing portfolio expensive. Entry plans in this category commonly cover one or two domains. EasyDMARC's Plus plan covers 2 domains, dmarcian's Basic covers 2, and Suped's Business plan covers 2. An agency signing its fifth client is already on a higher pricing tier, and the next tier is often a custom quote.
• Clients cannot share a tenant. Client A's marketing manager must never see client B's mail flows, and your own junior staff should see only the accounts they work on. A tool built for one company rarely has these boundaries.
• The reporting carries the wrong brand. When the monthly report lands in the client's inbox, the agency wants its own logo on it, not a vendor's.

The commercial upside of this situation for agencies is real. Across the thousands of domains DMARCeye monitors, 43.7% of those with a DMARC record remain at p=none, the monitoring-only mode that blocks nothing. Most businesses never reach enforcement on their own, and running DMARC as a repeatable service across client domains is a recurring revenue line built on this gap.

If you are pitching DMARC monitoring to a client, start by checking what their domain publishes now.

What Does DMARC Tooling for Agencies Need to Do?

DMARC itself works the same on every domain: it tells receiving servers what to do with a message that claims to come from the domain but fails the underlying SPF and DKIM checks. What differs for an agency is the operating layer around it, in particular:

1. Per-client access isolation. Each client gets their own login scoped to their own domains, and your staff get role-based access to the accounts they manage. Without this boundary, you either share one dashboard with every client (a confidentiality problem) or you become the bottleneck for every question a client has.
2. Branding you control. At minimum, the reports a client sees should carry your logo. At the fullest extent, the entire platform runs on your URL under your brand. This guide names which level each vendor offers.
3. A billing model that maps to clients. Agencies bill per client. Per-domain pricing turns each client into a clean line item; bundled tiers sometimes force you to buy more than you're using.
4. A formal MSP or partner program. Programs add enablement (training, pitch materials, onboarding help) and sometimes include discounts.

How We Picked These Seven Tools

Every platform here can genuinely run client work, which is the bar for inclusion: multi-tenant separation between clients, plus a formal agency or MSP program with commercial terms built for reselling. That is why Postmark's DMARC Digests is left out despite being a capable single-domain tool, because there is no way to separate one client from another. Red Sift OnDMARC and Valimail run partner programs at the enterprise end of the market and are worth a look if your portfolio is heading past a few hundred domains.

*Every factual claim about plans, prices, and features comes from the vendor's own published pages. Where a vendor publishes no prices, the entry says so instead of guessing.

The 7 Best DMARC Tools for Agencies and MSPs

1. DMARCeye - Per-Client Sub-Accounts on a Dedicated Agency Plan

DMARCeye is a DMARC monitoring platform that guides you to compliance and protection on a per-domain basis. For agency work specifically, the Agency setup gives every client an isolated sub-account under your own branding: clients log in and see only their own domains, and your team sees the whole portfolio. 

It is affordable, it is quick to set up, and it tells you what to fix next instead of leaving you to interpret raw aggregate XML on your own. This enables non-specialist staff to deliver work that would otherwise need a DMARC expert on every account. If anyone has a question, the in-app AI chat assistant is always on duty.

You can also query the whole portfolio conversationally by connecting your DMARC data to AI assistants like Claude or ChatGPT through DMARCeye's MCP server, with access scoped to what each user is allowed to see.

Client portfolios run on the Agency plan rather than the standard tiers, and the difference is worth knowing before you build a quote. Scale is the plan for one organization protecting its own domains, with a single team and one billing profile, at a published $4 per domain per month up to 50 domains. The Agency plan is what adds the multi-tenant architecture, granular per-client permissions, white-label branding, and unlimited data history, and it is priced to the portfolio rather than from a rate card. For context, that published $4 is the lowest per-domain rate in this comparison.

There are three billing models: Each client can pay on their own card, you can aggregate usage into one invoice and bill onward, or you can commit to prepaid volume.

2. DMARC Report - The Fully White-Labeled MSP Platform

DMARC Report is the strongest pick when the platform itself must disappear behind your brand. Its MSP program offers a fully white-labeled platform with a custom URL, a branded login portal, and branded reports and alerts, and partners receive 50% off list pricing. Signing a single client comes with a 25-seat white-labeled instance, and partners can resell the vendor's managed enforcement service at a fixed $1,950 per domain cost.

The standard plan ladder is bundle-based: Guard covers 5 domains at $25 per month, Shield covers 10 at $75 per month with API access, and the fully managed Ultimate tier with a dedicated engineer costs $3,900 per month. Audit logs and SSO are reserved for the Enterprise tier. For an MSP that wants to own the client relationship end to end and can work inside bundle caps, no other tool in this guide matches the white-label depth.

3. Suped - A Per-Domain MSP Plan From a Lean, Modern Tool

Suped is the youngest tool in this guide, and its MSP plan is shaped like agency work: per-domain pricing, unlimited domains, unlimited email volume, unlimited data retention, and API access with SAML SSO included. Suped describes it as built for agencies and managed service providers monitoring client domains at scale, and every plan includes unlimited users. Suped quotes its per-domain MSP rate on request.

The trade-off is depth: failure samples, BIMI management, and audit logs are not advertised, so the platform suits portfolios where clean monitoring and a modern interface outweigh an exhaustive feature list.

4. Sendmarc - Partner-First Managed Enforcement

Sendmarc sells DMARC the way many MSPs want to resell it: as a managed outcome rather than a tool. The company positions itself as built with partners in mind, and the partner program includes a multi-tenant interface for managing every customer in one place, co-branded sales and marketing assets, and an On-Demand offering with pay-as-you-consume billing. Implementation is engineer-led, with a 90-day guarantee for reaching full DMARC enforcement.

Note the branding level: co-branded means the client sees both brands, not yours alone. Sendmarc publishes no prices, so every engagement starts with a quote, and the free option is a 21-day trial rather than a permanent tier. Sendmarc fits MSPs whose clients want the rollout handled for them against a fixed timeline.

5. EasyDMARC - An MSP Dashboard Inside a Broader Suite

EasyDMARC pairs a multi-tenant MSP dashboard with the broadest bundled toolset in this guide. The dashboard covers centralized domain management, organization controls, and role-based access across client accounts, and the wider platform adds hosted BIMI, MTA-STS, and SPF record flattening in the same subscription. White-labeling covers reporting, so client-facing materials can carry your branding, and the MSP program uses pay-as-you-go pricing with dedicated onboarding and training resources.

For an agency the MSP program is the route in rather than the retail plans, and its commercial terms are what make that work: you add client domains as you win them instead of buying a tier ahead of demand. Worth confirming before you commit: API access starts at the Premium tier, and audit logs and SSO are Enterprise features. If your clients also buy deliverability work beyond DMARC, the breadth of the suite is the argument for EasyDMARC; the EasyDMARC alternatives comparison covers the trade-offs in more depth.

6. PowerDMARC - The Biggest Partner Network

PowerDMARC runs the largest partner operation in the category, with over 2,000 partners and PSA and billing integration for MSPs. The protocol coverage is broad (hosted MTA-STS and TLS-RPT from the Basic plan up, SPF flattening as an add-on), and an AI ChatBot for report analysis is included from Basic up.

The partner program is the agency path, and its edge is operational rather than technical: PSA and billing integration means client domains, tickets, and invoices can live in the systems your team already runs, which counts for more at a hundred clients than at ten. Worth confirming before you commit: API access, SIEM integration, audit logs, and MCP support all sit at the Enterprise tier. The PowerDMARC alternatives comparison is worth reading if the volume-tier model does not fit how you bill.

7. dmarcian - The DMARC Pioneer That Sends Clients Reports, Not Logins

dmarcian was founded by one of the original authors of the DMARC specification. Its MSP program includes Client Groups for sorting a portfolio by customer, an MSP Portal with enablement materials, and pricing the vendor describes as transparent and built to support recurring revenue models.

One design decision defines its agency fit, and dmarcian's own documentation states it plainly: the MSP program does not allow MSP clients to have user accounts or access to the platform, so clients stay informed through reports the MSP sends them. If your clients expect a login and a live dashboard, this rules dmarcian out. If you prefer to own the entire interface and deliver polished monthly reports, the same decision works in your favor. The standard plans cap early (Basic covers 2 domains at $19.99 per month, Plus covers 8, and Enterprise covers 15 at $499 per month), and the free tier is limited to non-business domains. The dmarcian alternatives comparison maps where it fits and where it does not.

What a Client Portfolio Costs

Feature matrices rarely decide an agency's choice. The deciding number is what the whole book of clients costs, so here is what 10, 50, and more than 50 client domains cost on each vendor's published plans:

Which Tool Fits Which Agency?

The right pick follows from how your agency operates, so match the tool to your delivery model:

• An agency running DMARC for 10 to 50 client domains. A per-domain rate keeps quoting simple, and clients get their own logins. The DMARCeye Agency plan sets no domain minimum on its pay-per-use billing modes, so this band gets the same multi-tenant setup as a much larger book; Suped's MSP plan is the closest alternative.
• An MSP standardizing DMARC across 50 or more clients. This is the portfolio the DMARCeye Agency plan is built for, with isolated sub-accounts per client, billing modes you can mix across the book, white-label branding, and unlimited history above Scale's 50-domain cap. DMARC Report is the closest alternative when a fully branded platform on your own URL is non-negotiable, and PowerDMARC's partner network suits MSPs already running PSA-integrated tooling.
• A managed security service provider (MSSP) selling enforcement as a fixed-scope project. Sendmarc's engineer-led model with its 90-day enforcement guarantee matches a project-based sales motion, and DMARC Report's resellable managed service is a second path to the same outcome.
• An agency that wants to own every client touchpoint. dmarcian's report-only client model keeps you as the single interface, while DMARCeye and EasyDMARC take the opposite approach and give clients scoped self-serve access under your branding.

Common Questions About DMARC Tools for Agencies

Is a Free DMARC Plan Enough for an Agency?

Free plans in this category are built for a single domain, so they work for evaluating a tool on your own agency domain but not for client work. DMARCeye's free plan covers 1 domain with 5,000 emails per month and 30 days of history, and Suped's free plan covers 1 domain with 1,000 emails per month. EasyDMARC's free tier keeps 14 days of history at 1,000 emails per month, DMARC Report's free tier is aggregate-reporting only, and dmarcian's free tier excludes business domains entirely. Test on the free tier, then move client domains to a paid plan where the retention and volume are contractual.

What Is the Difference Between White-Label and Co-Branded?

White-label means the client sees only your brand: your logo, and in the fullest implementations your URL and your branded reports, with the vendor invisible. Co-branded means both brands appear together on the deliverable. Among the tools in this guide, DMARC Report offers the deepest white-labeling (custom URL, branded portal, branded alerts), the DMARCeye Agency plan brands the client experience with your own logo, EasyDMARC white-labels its reporting, and Sendmarc provides co-branded materials.

Can My Clients See Their Own DMARC Data?

It depends on the tool's tenancy model, and the answer should drive your shortlist. The DMARCeye Agency plan gives each client an isolated sub-account and login showing only its own domains. EasyDMARC supports role-based access across client accounts. Sendmarc's multi-tenant interface is built for the partner to operate, and dmarcian's MSP program explicitly does not give clients user accounts, so they receive reports instead. Decide first whether client self-serve access is part of your service, because it immediately rules several tools in or out.

Do I Need a Formal MSP Program to Manage Client Domains?

A formal program is not required, and a per-domain plan is the fastest way to start monitoring client domains without signing anything. Formal programs start to pay off once volume grows. Partner discounts (50% off list at DMARC Report), enablement materials, and PSA or billing integrations at PowerDMARC and Sendmarc are all margin and workflow advantages that a ten-domain agency can defer but a fifty-domain MSP cannot.

The Takeaway

If you want per-client logins, a low per-domain cost that stays predictable as the client list grows, and guidance that lets non-specialist staff deliver the work, DMARCeye was built for exactly this job. At $4 per domain, DMARCeye is the most affordable platform here on published rates, and the free plan is a working pilot on your own agency domain, not a demo.