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    Cloudmark

    Cloudmark, now part of Proofpoint, delivers carrier-grade email security primarily for service providers and large-scale messaging environments, protecting over 1.6 billion mailboxes globally.

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    Cloudmark provides carrier-grade email security for service providers, blocking spam, phishing, and malware at the network edge using patented fingerprinting and global threat intelligence from over a billion subscribers. Its headline differentiator is near-zero false positives with 98%+ attack detection, making it best suited for telecom operators and hosted email providers managing billions of mailboxes.

    • Large service providers and telecommunication companies with extensive email infrastructure.
    • Protecting subscriber mailboxes from spam and phishing
    • Mitigating advanced malware and zero-day threats via email
    • Enforcing email security policies at the network edge
    • Maintaining high email deliverability with low false positives
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    Profile last updated on 16 October 2026 by Picari.