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    Business-email threat protection, fraud defence and data-loss controls

    • Overview
    • Company
    • News 20
    • Videos

    About

    Proofpoint provides security products for business email, collaboration and data. Its email range includes threat protection, account-takeover detection, fraud defence, secure application-mail relay and controls intended to reduce accidental data disclosure.

    Read more

    Core Email Protection supports deployment through an API or gateway. Email Fraud Defense addresses domain impersonation and DMARC, while Adaptive Email DLP checks misdirected messages and other data-loss risks. Security awareness training and communications retention are separate parts of the wider portfolio.

    The company serves enterprises, public-sector organisations, service providers and smaller businesses through its direct and partner channels. Published customer stories include Accenture and Wyndham. The published general number is +1 408 517 4710. The website provides product demonstrations, a support portal and a separate route for senders whose IP addresses are blocked.

    Its customer-story library also includes O2E Brands, the business behind 1-800-GOT-JUNK?.

    Facts

    • Ownership
      Private
    • Software type
      SaaS
    • Categories
      • Compliance
      • Email authentication and sender certification
      • Email archiving
      • Email security
    • Supported languages
      English
    • Certification and memberships
      • M3AAWG

    Related

    Products2

    SoftwareCore Email Protection

    Core Email Protection is Proofpoint’s email security service for business email. It supports Microsoft 365 and Google Workspace and offers API and…

    View profile →
    SoftwareSendmail

    Sendmail is an open-source mail transfer agent for routing and delivering email. Its source distribution includes the mail-handling program and associated libraries…

    View profile →

    Memberships1

    Verified from cited rosters or confirmed directly by the membership organisation.

    OrganisationsM3AAWGSponsor

    M3AAWG is a global industry association working on internet abuse. Its members include communications providers, hosting companies, security vendors, email service providers…

    View profile →

    Membership checked 4 October 2026. Official roster

    Activity

    All coverage (20) →
    Industry News 10 September 2026·emailexpert

    Validity opens Heatwave, a public blocklist for synthetic domain warming

    Validity announced Heatwave on 3 September. It is a domain blocklist drawn from the Validity Intelligence Network, published at lookup.validity.tools. The release describes it as identifying unethical cold…

    Security & Deliverability 10 September 2026·emailexpert

    Cloudflare gets filtered twice in three weeks. Both times the fix is “allowlist Cloudflare”

    Cloudflare has logged two email delivery incidents in under three weeks, one as a security gateway and one as a sender. In both, its advice to customers was…

    Contact and locations

    Headquarters

    925 West Maude Avenue
    Sunnyvale
    CA94085
    Get directions

    Sunnyvale office

    892 Ross Drive
    Sunnyvale
    California 94089
    United States of America
    Get directions
    Phone
    +49 179 1279657
    Website
    proofpoint.com
    View map
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    Company details

    • Company type
      Private
    • Legal name
      Proofpoint, Inc.
    • Year founded
      2002
    • Employees
      1000+

    News and coverage

    20 related stories

    Industry News 10 September 2026·emailexpert

    Validity opens Heatwave, a public blocklist for synthetic domain warming

    Validity announced Heatwave on 3 September. It is a domain blocklist drawn from the Validity Intelligence Network, published at lookup.validity.tools. The release describes it as identifying unethical cold…

    Security & Deliverability 10 September 2026·emailexpert

    Cloudflare gets filtered twice in three weeks. Both times the fix is “allowlist Cloudflare”

    Cloudflare has logged two email delivery incidents in under three weeks, one as a security gateway and one as a sender. In both, its advice to customers was…

    Tech Matters 19 August 2026·emailexpert

    Proofpoint Outage Causes Email Delays Following DNS Resolution Failure

    A technical incident at Proofpoint disrupted email delivery and access to several related services on August 14, 2026. According to Proofpoint, the interruption began at approximately 12:00 UTC.…

    Analysis & Guides 3 July 2026·emailexpert

    The Attack Email Authentication Cannot See

    A coalition took down Tycoon 2FA in March. Within weeks its signature technique had spread across the phishing-as-a-service market, in a form that never touches SPF, DKIM or…

    Security & Deliverability 2 July 2026·emailexpert

    Europol seizes the stealer pipeline feeding email account takeover

    The latest phase of Operation Endgame has dismantled the infrastructure behind the Amadey loader and the StealC infostealer. Investigators took down 326 servers and 142 domains, froze crypto…

    Executive Appointments 1 July 2026·emailexpert

    What Mimecast’s CEO change signals for email security buyers

    Mimecast has promoted its product and technology chief, Ranjan Singh, to CEO. The company that helped define the secure email gateway now sells human, data and AI risk,…

    Products & Markets 17 June 2026·emailexpert

    Postmastery Q1 2026 Delivery Benchmark: DMARC enforcement arrives at GMX and WEB.DE

    Postmastery has released the ninth edition of its Email Delivery Benchmark, covering January to March 2026. The report is built from 15.5 billion email transactions and sets out…

    Mergers and Acquisitions 25 May 2026·emailexpert

    Proofpoint Acquires Acuvity (AI Security / Email Security Expansion)

    Proofpoint has announced the acquisition of Acuvity, an AI-native runtime security and governance company. The deal expands Proofpoint’s capabilities beyond traditional email security into the emerging domain of…

    Mergers and Acquisitions 26 December 2025·emailexpert

    Proofpoint Completes Acquisition of Hornetsecurity for USD 1.8B

    Proofpoint, a Thoma Bravo portfolio company, has completed its acquisition of Hornetsecurity for USD 1.8 billion, following the announced deal earlier this year. The transaction closed on December…

    Mergers and Acquisitions 11 August 2025·emailexpert

    Palo Alto Networks to Acquire CyberArk in $25 Billion Move Towards Unified Identity and Network Security

    On 30 July 2025, Palo Alto Networks announced an agreement to acquire CyberArk Software in a cash-and-stock deal valued at approximately USD 25 billion - a 26 %…

    Page 1 of 2 Next
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