Cloudflare Email Security

Name: Cloudflare Email Security
Brand: Cloudflare
Rating: 4.4 (218 reviews)

Leader

At Cloudflare, we have our eyes set on an ambitious goal — to help build a better Internet.

Est 2009|Valuation $108.1B|Raised $3B

LinkedIn 1.2M|Website|Web traffic 91.2M|FTEs 5,483|HQ San Francisco, CA

MarketsWeb Application & API Protection (WAAP)Security Service Edge (SSE)Secure Email Gateway

Platform CoversEmail Security

01Competitive Landscape

Where alternatives have advantages

- **Microsoft Defender for Office 365:** It has transparent standalone pricing and native collaboration/XDR workflows. Microsoft documentation states Plan 1 is included in Business Premium and, effective July 1, 2026, Office 365 E3 and Microsoft 365 E3. Existing entitlement can materially change the incremental economics of buying Cloudflare. Confirm the buyer’s actual agreement and service plans. (Official Microsoft product documentation) - **Proofpoint:** Its current product page supports both inline and API deployment; portraying Proofpoint as only a legacy gateway would be inaccurate. One Cloudflare customer’s return to Proofpoint favors it operationally, while another practitioner reports a more favorable experience with Area 1. These opposing accounts reinforce the need for environment-specific testing. (Vendor product pages and community reports) - **Abnormal AI:** Its principal differentiation is behavioral analysis and API-led deployment without MX changes. This is relevant where changing mail flow is undesirable, but API convenience alone does not prove better protection or eliminate post-delivery exposure. (Vendor product overview and feature pages) - **Mimecast, Check Point, and Barracuda:** These remain appropriate additional shortlist candidates. Their inclusion in current analyst email-security research supports competitive relevance, but this report does not claim equivalent pricing, deployment behavior, or effectiveness without a package-level comparison. (Analyst research and vendor briefings)

Pricing, adoption, and analyst positioning

- For a mid-sized deployment example, Microsoft’s published per-user plan pricing can materially change comparative economics versus Cloudflare; Cloudflare cannot be compared responsibly without an equivalent-scope quote. These are arithmetic illustrations, not customer quotations. (Official Microsoft product documentation) - Analyst review platforms show a much smaller review footprint for Cloudflare compared with Proofpoint, with Proofpoint’s relative ratings modestly higher. Review volume is not market share, and these are not matched customer cohorts. (Analyst product review summaries) - Cloudflare’s supplied materials report a Strong Performer designation and a prominent Current Offering position in a recent Forrester Wave analysis. That designation is narrower than claiming overall market leadership; the full scoring methodology was not independently inspected here. (Cloudflare-cited analyst summary) - Analyst abstracts and capability reports include Cloudflare. Public abstracts establish inclusion but not a specific position or score; no defensible current product-specific market-share percentage was located. (Analyst abstracts and capability summaries)

	Cloudflare Email Security	Microsoft Defender for Office 365	Proofpoint Core Email Protection	Abnormal AI
Starting price	US price not published; custom annual quote	Published per-user plan pricing available from the vendor	Custom quote; reliable public enterprise list price not established	Custom quote; reliable public list price not established
Typical fit	Email protection within a broader Cloudflare consolidation strategy	Microsoft-centric organizations prioritizing native integration and existing licensing	Organizations prioritizing a dedicated email-security platform	Organizations emphasizing behavioral BEC detection and API deployment
Deployment	Inline, API, BCC/journaling, combined	Native Microsoft 365	API or inline	API-oriented
Key strength	Flexible placement plus potential web/isolation integration	Native email, Teams, SharePoint, OneDrive and XDR workflows	Dedicated email-security capabilities and flexible deployment	Behavioral identity/context analysis and automated mailbox workflows
Key weakness or trade-off	Tier and platform differences; mixed reports on workflow maturity	Primarily Microsoft ecosystem; value of an independent detection layer must be assessed	Quote/package complexity; superiority is not established by vendor efficacy claims	API dependency; validate workflow fit and remediation timing

01Competitive Landscape

Where alternatives have advantages

Microsoft Defender for Office 365: It has transparent standalone pricing and native collaboration/XDR workflows. Microsoft documentation states Plan 1 is included in Business Premium and, effective July 1, 2026, Office 365 E3 and Microsoft 365 E3. Existing entitlement can materially change the incremental economics of buying Cloudflare. Confirm the buyer’s actual agreement and service plans. (Official Microsoft product documentation)
Proofpoint: Its current product page supports both inline and API deployment; portraying Proofpoint as only a legacy gateway would be inaccurate. One Cloudflare customer’s return to Proofpoint favors it operationally, while another practitioner reports a more favorable experience with Area 1. These opposing accounts reinforce the need for environment-specific testing. (Vendor product pages and community reports)
Abnormal AI: Its principal differentiation is behavioral analysis and API-led deployment without MX changes. This is relevant where changing mail flow is undesirable, but API convenience alone does not prove better protection or eliminate post-delivery exposure. (Vendor product overview and feature pages)
Mimecast, Check Point, and Barracuda: These remain appropriate additional shortlist candidates. Their inclusion in current analyst email-security research supports competitive relevance, but this report does not claim equivalent pricing, deployment behavior, or effectiveness without a package-level comparison. (Analyst research and vendor briefings)

Pricing, adoption, and analyst positioning

For a mid-sized deployment example, Microsoft’s published per-user plan pricing can materially change comparative economics versus Cloudflare; Cloudflare cannot be compared responsibly without an equivalent-scope quote. These are arithmetic illustrations, not customer quotations. (Official Microsoft product documentation)
Analyst review platforms show a much smaller review footprint for Cloudflare compared with Proofpoint, with Proofpoint’s relative ratings modestly higher. Review volume is not market share, and these are not matched customer cohorts. (Analyst product review summaries)
Cloudflare’s supplied materials report a Strong Performer designation and a prominent Current Offering position in a recent Forrester Wave analysis. That designation is narrower than claiming overall market leadership; the full scoring methodology was not independently inspected here. (Cloudflare-cited analyst summary)
Analyst abstracts and capability reports include Cloudflare. Public abstracts establish inclusion but not a specific position or score; no defensible current product-specific market-share percentage was located. (Analyst abstracts and capability summaries)

	Cloudflare Email Security	Microsoft Defender for Office 365	Proofpoint Core Email Protection	Abnormal AI
Starting price	US price not published; custom annual quote	Published per-user plan pricing available from the vendor	Custom quote; reliable public enterprise list price not established	Custom quote; reliable public list price not established
Typical fit	Email protection within a broader Cloudflare consolidation strategy	Microsoft-centric organizations prioritizing native integration and existing licensing	Organizations prioritizing a dedicated email-security platform	Organizations emphasizing behavioral BEC detection and API deployment
Deployment	Inline, API, BCC/journaling, combined	Native Microsoft 365	API or inline	API-oriented
Key strength	Flexible placement plus potential web/isolation integration	Native email, Teams, SharePoint, OneDrive and XDR workflows	Dedicated email-security capabilities and flexible deployment	Behavioral identity/context analysis and automated mailbox workflows
Key weakness or trade-off	Tier and platform differences; mixed reports on workflow maturity	Primarily Microsoft ecosystem; value of an independent detection layer must be assessed	Quote/package complexity; superiority is not established by vendor efficacy claims	API dependency; validate workflow fit and remediation timing