Mimecast vs Palisade in 2026
How Mimecast and Palisade compare on operating model, pricing, and fit for IT teams and MSPs.
Our verdict: Pick Palisade if you want an AI agent to carry the work through enforcement, whether you manage one domain or thousands. Pick Mimecast if your team prefers a traditional, operator-led workflow.
Samuel Chenard · CEO & Co-Founder, PalisadeSource checks through 2026-07-1815-day full-product trial. Nothing is charged until it ends.
ChatGPT
Claude
Gemini
Perplexity
Grok
Mimecast
Palisade
Palisade's IT-team plans start at $19 a month, sized by email volume. Start with a 15-day full-product trial; nothing is charged until it ends.
Which one is right for you?
Best for Existing Mimecast gateway customers
Best for MSPs and IT teams responsible for multiple domains
- You prefer a more traditional Mimecast workflow with people involved in each enforcement step.
- Your buying criteria center on vendor-specific enterprise requirements.
- Pick Mimecast if your clients already run Mimecast's email security gateway and you want DMARC reporting, TLS reports, and SPF Delegation inside that same vendor relationship and contract.
- Pick Mimecast if you are rolling out DMARC on a small number of enterprise domains and want the option of Mimecast's consultants running the project as a managed service.
- You run an MSP, or an internal IT or security team, responsible for multiple domains.
- You want an AI agent to investigate issues, configure authentication, and move domains toward p=reject.
- Teams already using Claude, OpenAI, or other AI tools can bring the same agent-led operating model to DMARC.
IT-team plans start at $19 a month, sized by email volume. Start with a 15-day full-product trial; nothing is charged until it ends.
Where the day-to-day work actually differs
| Feature | Mimecast | Palisade |
|---|---|---|
| Enforcement | ||
| Agent does the enforcement work and evaluates policy readiness; you approve each stepWhether the product carries enforcement work to policy readiness for review.Mimecast pairs a setup wizard and recommendation engine with an expert-guided monitoring service; your team applies the changes, with Mimecast experts guiding as an optional service (checked 2026-07-18) | No agent-led enforcement | Agent drafts; you approve |
| DMARC report monitoring (aggregate, and TLS reports)Whether the product collects DMARC and TLS reports for review.DMARC Analyzer 2.0 (Jan 2026) added TLS reports, domain groups, and a timeline view | TLS reports and timeline | Agent analyzes reports |
| Limits & metering | ||
| Unlimited report retention on every paid planHow long report history remains available to your team.Mimecast does not publish report-retention limits for DMARC Analyzer (checked 2026-07-18) | No limits published | Unlimited on paid plans |
| Portfolio-based MSP pricingWhether MSP pricing is based on the number of client domains.No prices on mimecast.com; the product and trial pages carry 'Get a Quote' CTAs. The UK G-Cloud listing shows £8,125 per unit without defining the unit (checked 2026-07-18) | No portfolio pricing published | Per client domain |
| MSP operations | ||
| API access on every planWhether programmatic access is available at every subscription level.A DMARC Analyzer API exists (api.dmarcanalyzer.com), but Mimecast does not publish which plans or customers include it (checked 2026-07-18) | Plan access not published | Every plan |
| ConnectWise, HaloPSA and Autotask integrations with client-domain importWhether the listed PSA platforms can import and operate client domains.Mimecast documents ConnectWise Manage middleware for its email security platform; it does not advertise HaloPSA or Autotask integrations or a DMARC-aware PSA workflow (checked 2026-07-18) | No DMARC PSA workflow | Native PSA integrations |
| Multi-tenant domain managementWhether one account can manage domains across multiple clients.The UK G-Cloud listing cites unlimited users, domains and domain groups; DMARC Analyzer 2.0 added centralized domain management | Centralized domain groups | Multi-tenant management |
| Hosted records & DNS | ||
| Hosted SPF with flatteningWhether the provider hosts SPF and reduces DNS lookup depth.Mimecast SPF Delegation hosts and manages the SPF record and works around the 10-lookup limit | Delegated SPF hosting | One-lookup hosted SPF |
| Hosted MTA-STS policyWhether the provider hosts and manages an MTA-STS policy.Mimecast supports MTA-STS in its gateway TLS policies but does not advertise hosted MTA-STS policy management in DMARC Analyzer (checked 2026-07-18) | No hosted policy advertised | Hosted on managed DNS |
| AI and automation access | ||
| Documented API for DMARC data and domain configurationWhether software can retrieve DMARC data and manage domain settings through a published API.Mimecast publishes DMARC Analyzer API documentation with personal access tokens and endpoints for aggregate DMARC data, domains, and SPF delegation. It does not advertise which plans include API access (checked 2026-08-27). Source (2026-08-27) Source 2 (2026-08-27) | Plan access not published | REST API published |
| MCP gateway for connecting AI tools to Mimecast workflowsWhether an AI assistant can reach the product through a documented MCP connection.Mimecast advertises the Mihra MCP Gateway as a governed integration layer that brings a customer's own AI tools into Mimecast workflows. It does not advertise a plan for the gateway (checked 2026-08-27). Source (2026-08-27) | MCP Gateway published | MCP server published |
| AI assistance for security investigationsWhether the vendor advertises AI that investigates alerts and prepares the next step for an operator.Mimecast advertises its Mihra Investigation Agent as automatically triaging alerts, summarizing events in context, and recommending next steps for security analysts. It does not advertise those features as DMARC Analyzer capabilities or list a plan (checked 2026-08-27). Source (2026-08-27) | Mihra investigation agent | Agent drafts fixes |
| Aggregate DMARC data available outside the dashboardWhether an external system can retrieve report data without someone opening the UI.Mimecast's API documents GET endpoints for aggregate DMARC data by domain and generic aggregate report data. It does not advertise a scheduled export or outbound webhook for DMARC Analyzer in that public API schema (checked 2026-08-27). Source (2026-08-27) | Aggregate API endpoints | REST API published |
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Palisade 91 vs Mimecast 59, and why
Both products are scored on the same eight dimensions the comparison hub uses, so the figures here are the figures there. Four are derived from vendor facts that each carry a source and a checked date. Four are editorial, marked as such below, and each states its reasoning and its source.
Each dimension is out of 10 and the total is the raw sum out of 80, rescaled to 100 — the raw figure is printed beside it so the conversion is checkable rather than a black box. Scored on what each vendor publishes, not on how the product feels in use. Editorial dimensions last reviewed 2026-09-02.
How reachable the product is from your own software and AI tools. 10 = a documented API on every plan plus a published MCP server. 6 = an API, gated to a tier or to a sales conversation. 3 = no programmatic access advertised.
Mimecast documents a bearer-token DMARC Analyzer REST API, but it does not publish plan availability or a DMARC Analyzer MCP server (checked 2026-08-28). Source (2026-08-28)
Palisade publishes a REST API and a remote MCP server on every plan, making the same domain data and remediation workflows available to connected software. Source (2026-08-30)
How much of the report analysis is done for you. 10 = the platform turns raw report data into a prioritised, actionable queue on its own.
The console classifies sending sources, combines aggregate, forensic, and TLS reporting, and uses summaries, filters, and recommendations to organize work. Source (2026-08-28)
Report data is analysed into a prioritised list of sender, SPF, DKIM and DMARC issues, so nobody reads raw XML. Source (2026-08-30)
How much of the work the vendor's own software does. 10 = it identifies the sending sources, drafts the SPF and DKIM fixes each one needs, and proposes the next policy step. 6 = it applies the records for you, but a person decides what to fix and when to advance. 3 = it reports, and every change is yours to make. A vendor whose team does the work rather than its software scores here on the software alone.
DNS delegation lets DMARC Analyzer maintain SPF, DKIM, and DMARC records after setup, but its published workflow guides people through decisions instead of describing software that chooses fixes or proposes the next policy stage. Source (2026-08-28)
The agent investigates each sender, drafts the SPF and DKIM changes it needs, and proposes the next policy step; a human approves before deployment. Source (2026-08-30)
10 = full pricing published. 6 = some tiers published, rest quote-gated. 3 = quote only.
Mimecast does not publish DMARC Analyzer subscription rates and routes buyers to a quote. Source (2026-08-28)
10 = hosts the records for you. 6 = partial or add-on. 3 = you manage your own DNS.
Yes: DMARC Analyzer 2.0 publishes DNS delegation for SPF, DKIM, and DMARC management. Source (2026-08-28)
10 = a genuine free plan. 6 = time-limited trial only. 3 = no free access.
No ongoing free product tier is published; Mimecast lists DMARC Analyzer as part of its no-charge trial offering. Source (2026-08-30)
No free plan: a 15-day full-product trial; nothing is charged until the trial ends Source (2026-08-30)
10 = a real MSP program with multi-tenant management. 6 = partial. 3 = none.
Partial: Mimecast partners can access customer DMARC environments through the Partner Portal, but public DMARC-specific programme terms are not published. Source (2026-08-28)
How much work it takes to get a domain from p=none to p=reject. 10 = the platform (or the vendor's team) gets you there without manual DNS edits.
DMARC Analyzer 2.0 delegates SPF, DKIM, and DMARC records and combines guided onboarding with an optional managed service through enforcement. Source (2026-08-28)
The DMARC Agent detects when a domain's authentication and alignment are ready for the next policy stage and proposes the move, but a human still approves and applies it, so it is not fully hands-off. Source (2026-08-30)
Where Palisade and Mimecast actually differ
Each argument keeps the product screens, sourced comparison points, and supporting analysis together.
Guidance vs execution
How enforcement actually happens
Mimecast DMARC Analyzer is built around visibility and guidance. Its product page describes a DMARC record setup wizard, self-service tools, in-app summaries, filters, and a recommendation engine, with aggregate, forensic, and TLS reports for tracking sending sources. Reaching p=reject is framed as a project: Mimecast offers an active DMARC monitoring service in which its experts guide your team from setup to full enforcement. The January 2026 DMARC Analyzer 2.0 release added domain groups, TLS reporting, and a timeline view.
Mimecast
- Agent does the enforcement work and evaluates policy readiness; you approve each step: No agent-led enforcement
- DMARC report monitoring (aggregate, and TLS reports): TLS reports and timeline
Palisade
- Agent does the enforcement work and evaluates policy readiness; you approve each step: Agent drafts; you approve
- DMARC report monitoring (aggregate, and TLS reports): Agent analyzes reports
Palisade does that project instead of walking you through it. Its AI agent identifies legitimate senders from report data, configures SPF and DKIM, and progressively tightens the DMARC policy to p=reject, with your team approving each change. For an MSP the practical difference is who does the per-domain work: with Mimecast, your technicians read recommendations and apply changes, or you buy managed services; with Palisade, the agent carries each domain toward enforcement and your team reviews and approves.
Quote-gated contracts vs public pricing
Quote-gated contracts versus a public price list
Mimecast publishes no prices for DMARC Analyzer. The product page and the 14-day trial page both route buyers to a quote, and contracts are negotiated through Mimecast sales or its partner program. The one public data point is Mimecast's UK G-Cloud listing at £8,125 per unit, which does not define what a unit covers. Report retention and email volume terms are not published either, so an MSP cannot model per-client cost from public information (checked 2026-07-18).
Mimecast
A relevant product screenshot was not available in the reviewed evidence.
- Unlimited report retention on every paid plan: No limits published
- Portfolio-based MSP pricing: No portfolio pricing published
Palisade
A relevant product screenshot was not available in the reviewed evidence.
- Unlimited report retention on every paid plan: Unlimited on paid plans
- Portfolio-based MSP pricing: Per client domain
Palisade publishes its self-serve IT-team pricing: flat monthly plans sized by email volume from $19/month (20% off on annual billing) with 2 to 20 set-up domains by tier (adding domains is free and unlimited), unlimited report retention on paid plans and API access on every plan, and a 15-day full-product trial. MSPs receive a free NFR domain and quoted, portfolio-based per-client-domain pricing with a minimum of 5 client domains and no client email metering.
What each side charges
Three points on each published range: the cheapest plan, one in the middle, and the top of what the vendor publishes. Every plan on both sides is in the pricing section further down.
- DMARC AnalyzerCustom (contact sales)
Aggregate, forensic and TLS reports; DMARC record setup wizard; recommendation engine; and access through Mimecast's current no-charge trial offering
- DMARC Analyzer with managed services (opt-in)Custom (contact sales)
Adds Mimecast experts who guide setup through to full DMARC enforcement, with deployment and management expertise
- IT teams: up to 100,000 emails/mo$19/mo ($15/mo billed annually)
2 set-up domains (adding is unlimited), unlimited retention, every core feature
- IT teams: up to 1,000,000 emails/mo$99/mo ($79/mo billed annually)
Same product: 10 set-up domains, pick the tier that matches your sending
- Enterprise (more than 2.5M / month)Custom
Custom volume, retention, and terms
Platform fit vs MSP workflow
Who Mimecast genuinely serves
Mimecast DMARC Analyzer is one product inside a broad email security platform. It fits organizations that already run Mimecast's gateway and want DMARC visibility, TLS reporting, and SPF Delegation from the vendor that already holds their mail flow, purchased through the same contract and account team. The G-Cloud listing cites support for unlimited users, domains, and domain groups, and a managed service option supplies deployment expertise for teams that want consultants running the rollout.
Mimecast
A relevant product screenshot was not available in the reviewed evidence.
- API access on every plan: Plan access not published
- ConnectWise, HaloPSA and Autotask integrations with client-domain import: No DMARC PSA workflow
- Multi-tenant domain management: Centralized domain groups
Palisade
- API access on every plan: Every plan
- ConnectWise, HaloPSA and Autotask integrations with client-domain import: Native PSA integrations
- Multi-tenant domain management: Multi-tenant management
For an MSP selling DMARC as a standalone service, the model gets harder. There is no published per-domain rate to price margin against, no advertised HaloPSA or Autotask integration, and the ConnectWise Manage middleware Mimecast documents serves its email security platform rather than a DMARC workflow. The guided approach also means technician hours per domain. Mimecast fits a team already standardized on its platform that is protecting a modest number of enterprise domains with consultant support.
Native PSA integrations
Palisade imports client domains straight from these three. Mimecast's own coverage is stated above, from their site.
- ConnectWise PSA
- Autotask
- HaloPSA
Dashboard access vs programmatic access
Mimecast's DMARC Analyzer API and Mihra MCP Gateway
Mimecast publishes Swagger API documentation for DMARC Analyzer. It documents personal access tokens and endpoints for aggregate DMARC data, domains, and SPF delegation. The public reference does not advertise which plans include API access. Separately, Mimecast advertises the Mihra MCP Gateway for bringing a customer's own AI tools into Mimecast workflows. Its Mihra Investigation Agent automatically triages alerts, summarizes events in context, and recommends next steps. Mimecast does not advertise the gateway or agent as a DMARC Analyzer capability or name a plan for either feature (checked 2026-08-27). Source (2026-08-27) Source 2 (2026-08-27) Source 3 (2026-08-27)
Mimecast
A relevant product screenshot was not available in the reviewed evidence.
Palisade
A relevant product screenshot was not available in the reviewed evidence.
- Documented API for DMARC data and domain configuration: REST API published
- MCP gateway for connecting AI tools to Mimecast workflows: MCP server published
- AI assistance for security investigations: Agent drafts fixes
Palisade publishes an MCP server at /mcp. Its agent investigates senders, drafts SPF and DKIM fixes, and proposes each policy step. A human approves before anything ships.
Reachable from your own AI tools
Palisade's MCP server exposes 42 tools over OAuth, so the assistant your team already uses can read domains, pull the exact records to publish and work the task queue. These are the clients the connection guide walks through.
- ChatGPT
- Claude
- Codex
- Cursor
- Windsurf
- Any MCP client
Still deciding between Mimecast and Palisade? See what changes with Palisade.
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Microsoft 365
Zoho Mail
The agent does the heavy lifting
Sources identified, SPF and DKIM fixes drafted, each policy step proposed. You approve; nothing ships on its own.
Connect your AI with MCP
42 tools over MCP, so your assistant reads your domains and works the queue.
Connect your DNS manager directly
Approved records go into your own zone at your own provider, across 64. No credentials reach us.
“We evaluated many DMARC providers before choosing Palisade. The quality of their product, the responsiveness and friendliness of their team and their rapid progress on their product roadmap made it a no-brainer for us to move forward.”
Mimecast pricing explained (and how Palisade compares)
Mimecast does not publish pricing for DMARC Analyzer; buyers get a quote through Mimecast sales or its partner program. Its current no-charge trial includes DMARC Analyzer, but the public pages do not publish a DMARC Analyzer rate card.
What you'd actually pay
The same five buyer sizes on every comparison, so a shape carries from one page to the next.
1 domain, up to 1,000 emails a month
2 set-up domains, up to 100K emails a month
10 set-up domains, up to 1M emails a month
20 set-up domains, up to 2.5M emails a month
Client domains under management, any volume
Palisade’s figures are derived from its published tiers. Mimecast figures read from their pricing page on 2026-08-28. Plans and prices may have changed since.
How Mimecast prices
- Mimecast publishes no DMARC Analyzer prices; the product and trial pages route buyers to 'Get a Quote' (checked 2026-07-18).
- Mimecast does not publish a DMARC Analyzer plan-by-plan rate card or a public scope for quoted subscriptions.
- The current free-trial page states that the no-charge trial runs for 30 days and includes DMARC Analyzer; it does not establish a standalone product price.
- Mimecast does not publish report-retention or email-volume limits for DMARC Analyzer (checked 2026-07-18).
How Palisade prices
- Palisade publishes its self-serve IT-team pricing: flat monthly plans sized by email volume from $19/month (20% off on annual billing) with 2 to 20 set-up domains by tier (adding domains is free and unlimited), plus portfolio-based per-client-domain pricing for MSPs with a minimum of 5 client domains; Mimecast quotes DMARC Analyzer through sales and partners.
- Palisade's AI agent does the enforcement work (identifies legitimate senders, configures SPF/DKIM, progressively tightens policy to p=reject on your approval); Mimecast's product guides your team with a wizard and recommendation engine, with consultants available as a paid managed service.
- Palisade includes API access on every plan; Mimecast does not publish which DMARC Analyzer plans or customers get API access.
- Palisade ships native ConnectWise, HaloPSA and Autotask integrations with client-domain import; Mimecast documents ConnectWise Manage middleware for its wider email security platform and does not advertise HaloPSA or Autotask support.
Mimecast pricing read from their public pricing page on 2026-08-30.Plans and prices may have changed since.
Start a 15-day full-product trial of Palisade. Nothing is charged until it ends.
What each one covers, and where it stops
Published facts only, read from each vendor's own material. Neither column describes a hands-on trial, because we have not run one.
Mimecast DMARC Analyzer brings DMARC reporting, TLS reports, centralized domain management, and SPF Delegation into Mimecast's email security platform. It uses a record setup wizard, in-app summaries, filters, and a recommendation engine to help teams identify sending sources and track a domain's progress toward DMARC enforcement.
It is aimed at organizations that already use Mimecast's gateway and want DMARC visibility, TLS reporting, and SPF Delegation under the same vendor relationship. Teams can use self-service tools or choose Mimecast's expert-guided monitoring service, while MSPs weighing client costs have to request a quote because DMARC Analyzer pricing is not published.
Palisade is built around an agent that does the DMARC work rather than reporting on it. It identifies every sending source, drafts the SPF and DKIM changes each one needs, and proposes the next policy step when the evidence supports it.
The agent investigates every sender, drafts every fix, and proposes each policy step, you approve before anything ships.
- Includes TLS reports and a timeline view
- Supports centralized domain groups
- Provides delegated SPF hosting
- Publishes a Mihra MCP Gateway for connecting AI tools to Mimecast workflows
- Publishes aggregate DMARC API endpoints
- The agent investigates senders and drafts the fix, so the work arrives prepared rather than as a list of findings
- Hosted SPF, DKIM and DMARC on redundant managed DNS, so an approved change can be carried out rather than handed off
- Portfolio workflow for MSPs, with ConnectWise, HaloPSA and Autotask integrations and a free NFR domain
- An MCP server and a REST API, so the same data and workflow are reachable from the AI tools a team already uses
- Does not advertise agent-led enforcement
- Does not publish DMARC Analyzer report-retention limits
- Does not publish portfolio-based MSP pricing
- Does not publish which DMARC Analyzer plans include API access
- Does not advertise a DMARC-aware PSA workflow
- Every policy change waits for a human approval, by design: nothing ships on the agent's own authority
- MSP pricing is quoted per client domain rather than published as a rate card, with a minimum of 5 client domains
- Plans are sized by monthly email volume, so a low-domain, high-volume sender lands on a higher tier than domain count alone suggests
- Starts at
- Custom (contact sales)
- Free trial
- 14 days
- G-Cloud rate
- £8,125 per unit
- Retention
- Not published
- Plan tiers
- Not published
- Starts at
- IT plans from $19/mo by email volume; 15-day trial
- Trial
- 15 days, full product
- MSP model
- Quoted per client domain, portfolio-based; minimum of 5 client domains
What Palisade customers say
5.0 out of 5 on G2Trusted by over 10,000 domains
“Palisade made it so easy for us to get our blue verified checkmark and achieve our BIMI compliance”
Sources and further reading
Source checks run through 2026-07-18; every entry keeps its individual check date.
- Mimecast DMARC Analyzer product page
Checked 2026-07-18
- Mimecast DMARC Analyzer trial page
Checked 2026-07-18
- Mimecast DMARC Analyzer API documentation
Checked 2026-07-18
- Mimecast for ConnectWise Manage installation guide
Checked 2026-07-18
- Mimecast DMARC Analyzer product page (current access check)
Checked 2026-08-27
- Mimecast DMARC Analyzer OpenAPI specification
Checked 2026-08-27
- Mimecast AI cybersecurity and Mihra features
Checked 2026-08-27
- Mimecast API and integrations page
Checked 2026-08-27
- Mimecast integrations index
Checked 2026-08-27
- Mimecast Aware API and webhook integration page
Checked 2026-08-27
Palisade vs Mimecast: FAQ
What is the main difference between Mimecast and Palisade?
Palisade is agentic DMARC software. Its agent investigates sending sources, works through SPF and DKIM alignment, and moves domains toward p=reject while your team stays in control. When evaluating Mimecast, compare that operating model with the workflow in its current product documentation and decide how much work you want your team to carry.
Who should choose Palisade?
Choose Palisade if you want an AI agent to carry routine DMARC work through enforcement, whether you manage one domain or thousands. It is also a natural fit for teams already using Claude, OpenAI, or other AI tools to get operational work done.
Who should choose Mimecast?
Choose Mimecast if its current integrations, procurement model, or operating workflow better match your requirements. A more operator-led platform can also fit a team that prefers to review reports and make each change itself.
Does Palisade guarantee a specific time to p=reject?
No responsible DMARC platform should promise the same enforcement timeline for every domain. Timing depends on the number of sending sources, access to DNS and third-party systems, and how quickly each legitimate stream can be aligned. Palisade's agent reduces routine investigation and configuration work while operators retain control over policy decisions.
Switching from Mimecast takes three steps
- 1
Batch-import your domains
Bring your client domains into Palisade in bulk, or let your ConnectWise, HaloPSA, or Autotask integration sync them automatically.
- 2
Run both platforms in parallel
DMARC reporting supports multiple recipients, so Palisade and Mimecast receive the same reports during the overlap window. Nothing breaks while you compare.
- 3
Cut DNS over on your schedule
Point records at Palisade's hosted infrastructure (redundant managed DNS), then retire the old setup when you're satisfied.
15-day full-product trial. Nothing is charged until it ends.
Competitor information on this page was last reviewed against public sources on 2026-07-18. Spotted something out of date? Tell us and we'll fix it.