Proofpoint competitors: who else serves the same job

By Taylor TabusaAugust 12, 2026Updated October 13, 20269 min read

Ask AI to explain

In brief

Proofpoint competitors grouped by deployment model: MX gateways, API-connected tools, native Microsoft and Google controls, and the DMARC layer.

Proofpoint competitors: who else serves the same job

Proofpoint's competitors sort by where they sit in the mail path rather than by feature list. Mimecast and Cloudflare document an MX-routed gateway, the placement Proofpoint also supports. Abnormal, Barracuda and Mimecast document connections without MX changes. Cloudflare lists API, BCC/Journaling and MX/Inline deployment; confirm routing requirements for the selected mode. Microsoft and Google run controls inside the platform you already pay for. Authentication products, including Proofpoint's own Email Fraud Defense, work in DNS and sit beside a filter instead of replacing one.

At a glance

Quick takeaways

Compare deployment requirements. Proofpoint Core supports API and gateway deployment. Removing an existing gateway can still require a routing cutover.
Microsoft publishes per-user Defender prices. Barracuda identifies a US Email Protection Advanced list price, although this audit did not establish its amount.
Proofpoint’s dated Essentials price sheets are historical evidence. Confirm current product and contract terms.
DMARC may be bundled. Email Fraud Defense is a component of Collaboration Security Prime; confirm the purchased scope.
The original comparison dates to August 12, 2026. Deployment, packaging and pricing distinctions were selectively refreshed October 13, 2026; individual source dates remain relevant.

Who this comparison is for

An IT admin, security lead or MSP technician holding a Proofpoint quote or renewal who wants to know which products do the same job. It assumes mail runs on Microsoft 365 or Google Workspace. If the category itself is still fuzzy, the four types of email security software sets out the map first. Head-to-head vendor pages sit on the comparison hub.

Who competes with Proofpoint, grouped by how they deploy — Source: Palisade.

How the options were evaluated

Originally researched August 12, 2026; deployment, packaging and pricing distinctions were selectively refreshed October 13, 2026 against official sources. Review sites and reseller catalogs were excluded. Four things were recorded:

Deployment model. MX-routed gateway, API connection, post-delivery inspection, or a choice among them.
Replacement or addition. Whether the product takes over the placement Proofpoint occupies, or sits beside it.
Published price. Whether a figure appears on the vendor's own page.
Where DMARC sits. Whether domain authentication is included, sold separately, or absent.

Vendor-reported detection percentages are not used to rank these options.

What counts as the same job

Proofpoint Core Email Protection supports API and secure email gateway deployment. Its current page describes Microsoft Graph integration, API deployment without MX changes, and inline policy enforcement through a gateway. Compare mail-flow coverage, remediation permissions and rollout requirements for the configuration you are buying; the deployment labels alone do not establish identical detection results. See Proofpoint product documentation.

Source: Palisade.

Gateways in the MX path

Mimecast's integrated cloud email security page describes MX-based deployment as perimeter protection, with all incoming mail routed through its gateway first and threats blocked in line. Cloudflare's Email Security documentation lists pre-delivery placement through MX or inline as one of three supported approaches, covering phishing, malware, business email compromise, vendor email fraud and spam.

These options document placement in the delivery path. Replacing an MX-routed gateway requires a routing cutover; any overlap between vendors depends on the migration design. Check your current MX records and confirm the inspection timing of the selected deployment before scoping the cutover.

Tools connected by API

Abnormal’s inbound email security page describes API deployment without MX changes. Its platform page names Microsoft 365, Google Workspace, Okta and CrowdStrike integrations, with SIEM/SOAR integration support. Confirm the specific connector and permissions rather than inferring them from the API label.

Barracuda's Email Protection page states the product connects to Microsoft 365 or Google Workspace with no mail exchange (MX) changes and is operational in minutes rather than weeks.

Mimecast documents API protection without MX changes, and Cloudflare documents post-delivery BCC or journaling. Barracuda publishes API, inline and traditional MX options in its plan matrix. Confirm inspection timing and remediation permissions for the selected deployment; API access alone does not establish when a message is inspected.

Native controls you may already own

Microsoft documents anti-malware, anti-spam and anti-phishing protection as included in all organizations with cloud mailboxes and on by default through the default threat policies. An administrator cannot switch them off, though preset or custom policies can override them, so measure any quote against that baseline. Defender for Office 365 then splits in two: Plan 1 adds Safe Attachments, Safe Links, impersonation protection and real-time detections, Plan 2 adds phishing simulations, post-breach investigation, hunting and automation. Microsoft's pricing page lists Plan 1 at $2.00 and Plan 2 at $5.00 per user per month, both paid yearly.

Google Workspace carries Gmail filtering in the seat price. Every published tier lists phishing and spam protection that blocks more than 99.9% of attacks, which is Google's own figure, while data loss prevention and S/MIME sit under Enterprise. Advanced phishing and malware protection is a set of administrator settings, with separate controls. Attachment and spoofing protections offer warning, spam and quarantine actions; link and image protections have separate scanning and warning settings.

The authentication layer beside the filter

These authentication services address legitimate senders and domain-authentication policy. DMARC enforcement helps receiving systems handle unauthenticated mail using your domain; it does not prevent every form of impersonation.

Proofpoint's Email Fraud Defense provides expert-guided authentication and hosted SPF, DKIM, DMARC and BIMI services; Proofpoint describes it as a core component of Collaboration Security Prime. Confirm the purchased entitlement. Mimecast's DMARC Analyzer announcement describes DNS delegation for SPF, DKIM and DMARC: after initial delegation, Mimecast maintains those records automatically. Barracuda Domain Fraud Protection provides DMARC reporting and is included in Barracuda Email Protection.

Filtering and DMARC address different jobs, and vendors may bundle them. Proofpoint describes Email Fraud Defense as a core component of Collaboration Security Prime. If DMARC operations are the requirement, compare the applicable product and package entitlement with the Proofpoint DMARC alternative guide.

What each vendor publishes about price

Proofpoint’s dated price sheets cover the Essentials line. A US data sheet stamped 10/21 quotes Business at $2.75, Advanced at $3.75 and Professional at $5.33 per active user per month. An EMEA sheet stamped 5/22 adds a Beginner package and shows different USD figures. Both are dated records, not a rate card. For Core, Tier 2, Tier 3 and Prime, Proofpoint states only that budgetary pricing comes from the number of user licences and the contract term, with exceptions that depend on consumption.

Mimecast's plans page names Critical, Advanced and Premium for threat protection and replaces every figure with contact-for-pricing wording. It adds that from 15 August 2025 new customers buy the new email security plans, and that migrating can carry an additional cost. Barracuda's plans page names Advanced, Premium and Premium Plus with a feature comparison and no figure. Barracuda’s separate pricing page identifies a US Email Protection Advanced list price, although this audit did not establish its displayed amount. Confirm current package-specific terms with each vendor.

Where Palisade fits

Palisade belongs in the last group and nowhere else. It is DMARC automation, not a gateway: it does not filter, sandbox, rewrite links in or quarantine inbound mail, so it replaces nothing above. Its documentation covers DMARC, SPF, DKIM, BIMI and MTA-STS, hosted records, aggregate report processing, sender classification and PSA ticketing. Hosted DMARC publishes and maintains the record through a CNAME delegation, so a later policy move needs no further DNS edit. Palisade supports sender review, remediation tasks and human-approved changes. If Prime is on your quote for its hosted DMARC services, this is the layer to compare it against.

How to choose

Replacing an existing gateway: compare MX-routed or inline options and plan the routing cutover. For an API deployment, compare inspection coverage and remediation permissions.
You cannot touch mail routing. Abnormal, Barracuda and Mimecast document connections without MX changes. Cloudflare lists API, BCC/Journaling and MX/Inline deployment; confirm routing requirements for the selected mode.
You have not configured what you already pay for. Microsoft's default policies are on and cannot be turned off, so establish that baseline before buying a layer above it.
If Prime is on the quote because of DMARC, compare authentication services and package entitlements. Barracuda includes Domain Fraud Protection in Email Protection; confirm the required bundle.
You do not yet know which layer is failing. Check public domain-authentication controls with the free email security score. It cannot assess private tenant settings or filtering effectiveness.

Evidence

Sources and further reading

Originally researched August 12, 2026; selected deployment, packaging and pricing claims were refreshed October 13, 2026. Historical Essentials sheets retain their publication dates.

Questions readers ask

Frequently asked questions

Who are Proofpoint's main competitors?

Mimecast, Barracuda, Abnormal Security and Cloudflare Email Security compete for the same filtering budget, and the native controls in Microsoft 365 and Google Workspace compete by already being included. On the authentication side, where Proofpoint sells Email Fraud Defense, the rivals are Mimecast DMARC Analyzer and the DMARC platforms.

Can Abnormal or Barracuda replace a Proofpoint gateway?

Compare the purchased deployment and inspection requirements. Abnormal documents an API connection without MX changes. Barracuda’s plan matrix offers API, inline and traditional MX deployment, so it is not limited to API-only inspection. Abnormal positions its product with Microsoft or Google as a gateway replacement; validate that claim against your required controls and existing mail route.

Is Microsoft Defender for Office 365 enough on its own?

Not automatically, and answering it needs your own data. Microsoft documents anti-malware, anti-spam and anti-phishing filtering as on by default for every organization with cloud mailboxes. Configure those policies, add Plan 1 or Plan 2, then measure what still arrives.

Which Proofpoint competitors publish their prices?

Microsoft publishes per-user Defender prices, and Google publishes per-seat Workspace prices with regional terms. Barracuda identifies a US Email Protection Advanced list price, although the captured pricing page does not expose its amount. Proofpoint’s dated Essentials sheets are historical evidence. Confirm current enterprise-package prices and terms directly with each vendor.

Does switching away from Proofpoint fix domain spoofing?

Inbound filtering protects the mailboxes you own. Mail an attacker sends to other people using your domain does not pass through your inbound filter. SPF, DKIM and DMARC alignment address sender-domain authentication. These controls can be sold in a combined security package: Proofpoint includes Email Fraud Defense in Collaboration Security Prime. Confirm which authentication services are included when evaluating a gateway change.

Make email authentication easier to manage

Start in Palisade.

Get started

Share this article

Written by

Taylor Tabusa

Co-Founder & Head of Business Development, Palisade

Taylor Tabusa is the co-founder and Head of Business Development at Palisade, helping managed service providers turn email security into a practical, valuable service.