Who are Zerospam's competitors?

Egress, MX Layer, and Barracuda Networks, Inc. are among the closest in Email & Messaging Security. The full competitive set, with overlap scoring, is in the platform.

What products does Zerospam sell?

Zerospam sells ZeroSpam Enterprise-Grade Reputation Engine and ZeroSpam Zero Spam Protection.

Zerospam

Email & Messaging SecurityMontreal, Canadafounded 2003acquired by Hornetsecurity

Zerospam is a cybersecurity company specializing in Email & Messaging Security, founded in 2003 and headquartered in Montreal, Canada. It was acquired by Hornetsecurity in 2021.

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updated Sep 12, 2026

Zerospam products

ZeroSpam Enterprise-Grade Reputation EngineAI-powered reputation engine for blocking spam, bots, and malicious IPs via API.Details ↗
ZeroSpam Zero Spam ProtectionSpam and malicious traffic blocking service for websites and applicationsDetails ↗

The other 440 data points.

Funding historyevery round, every investor named
Headcount growthvelocity, departments, seniority
Open jobslive postings, hiring pace, role mix
Tech stackframeworks, clouds, security

Similar in Email & Messaging Security

Common questions about Zerospam.

Who are Zerospam's competitors?: Egress, MX Layer, and Barracuda Networks, Inc. are among the closest in Email & Messaging Security. The full competitive set, with overlap scoring, is in the platform.
What does Zerospam do?: Zerospam is a cybersecurity company specializing in Email & Messaging Security, founded in 2003 and headquartered in Montreal, Canada.
What products does Zerospam sell?: Zerospam sells ZeroSpam Enterprise-Grade Reputation Engine and ZeroSpam Zero Spam Protection.