The closest Cloudmark Authority alternatives are Fortra Email Security & Anti-Phishing, Cloudflare Cloud Email Security and Trustifi AI Powered Email Security. Picking a Cloudmark Authority alternative comes down to fit: Email Security Platforms coverage, your environment, your integrations and your budget. So each option below shows what it covers, how it deploys, its pricing model and the company behind it.
33 alternativesClosest matches: Fortra Email Security & Anti-Phishing, Cloudflare Cloud Email Security, Trustifi AI Powered Email SecurityPage updated Nov 2026
The product
by Cloudmark
Carrier-grade email security for ISPs blocking spam, phishing, and malware
Cloudmark Authority is a commercial Email Security Platforms solution made by Cloudmark. The closest matches by shared tags and NIST CSF 2.0 coverage are Fortra Email Security & Anti-Phishing, Cloudflare Cloud Email Security, Trustifi AI Powered Email Security, MDaemon Technologies SecurityGateway, and MX Layer Email Security. All 33 alternatives on this page are ranked the same way.
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VisitThese 8 solutions overlap most with Cloudmark Authority. Each row says what the product does and, when the overlap is big enough, which capabilities it shares.
Email security platform protecting against phishing, BEC, and data loss
Key features: DMARC email authentication and enforcement, Business email compromise detection, Spear phishing protection, Account takeover detection, Data loss prevention for sensitive data
Email security platform protecting against phishing, BEC, and data loss
Cloudflare Cloud Email Security is a cloud-based email protection service that safeguards organizations against phishing, malware, spam, and other email-borne threats through integrated threat detection and prevention capabilities.
AI-powered email security platform for threat detection and compliance
Email security gateway protecting against spam, phishing, viruses & data leaks
Cloud-based email security platform with AI-powered threat detection
Managed email security service protecting against email-based threats
Cloud email security for Microsoft 365 and Google Workspace applications
Email security platform blocking spam, phishing, malware, and viruses
Email security for Microsoft Exchange servers with antispam and antimalware.
MX-based email security platform using AI to block spam, phishing & malware
Email security platform filtering spam, phishing, and malware threats
Email server with antispam, antivirus, and security features for Linux/Windows
Comprehensive email security & human risk mgmt platform with AI-powered protection
Email threat protection using blocklists, blocking 99.6%+ of email threats.
Carrier-grade outbound spam & botnet detection solution for ISPs.
Composable email infrastructure platform with threat detection and AI ops.
AI-powered anti-phishing platform for Microsoft 365 & Google Workspace.
cPanel/WHM plugin for provisioning MailChannels email security for hosting customers.
Cloud-based email filtering blocking phishing, malware, spam & BEC attacks.
Cloud-based anti-spam and antivirus email filtering with AI threat detection.
Agentic AI email security platform that investigates emails pre-delivery.
Cloud security platform for M365 covering email, backup, and awareness.
Cloud-based email security service that blocks spam, phishing, malware, and fraud attacks
Email gateway that blocks spam, phishing and malware before inbox delivery, made
Cloud-based email gateway with spam filtering, anti-phishing, and containment
Cloud-managed DMARC record hosting with DNS-free policy management.
Domain scanner & compliance tool for Gmail, Yahoo & Microsoft DMARC requirements.
Email and collaboration security for Microsoft 365 environments
AI-powered email security platform protecting against phishing, BEC, and ATO
Cloud-based email security platform protecting against phishing, ransomware, BEC
Behavioral email security platform protecting inbound, outbound, and internal mail
Email security platform with phishing/BEC protection and MDR/XDR integration
Email security platform with inline threat protection and compliant archiving
Common questions when weighing alternatives to Cloudmark Authority.
The closest matches to Cloudmark Authority by shared tags and NIST CSF 2.0 coverage are Fortra Email Security & Anti-Phishing, Cloudflare Cloud Email Security, Trustifi AI Powered Email Security, MDaemon Technologies SecurityGateway, and MX Layer Email Security. All of them are Email Security Platforms products.
This page shows 33 alternatives to Cloudmark Authority, all in the Email Security Platforms category. Each one is matched on shared tags and NIST CSF 2.0 areas, and the closest matches rank first.
Cloudmark Authority is a commercial Email Security Platforms product. It needs a paid license or subscription. Only commercial alternatives are listed here. Free and open source products are under /free.
Cloudmark Authority is a Email Security Platforms product in the Email & Messaging Security category. You can compare it with the 33 other Email Security Platforms products on this page.
View Fortra Email Security & Anti-PhishingFortra Email Security & Anti-Phishing alternativesCloudmark Authority vs Fortra Email Security & Anti-Phishing
Cloudflare Cloud Email Security is a cloud-based email protection service that safeguards organizations against phishing, malware, spam, and other email-borne threats through integrated threat detection and prevention capabilities.
Key features: 9 listed. See them on the Cloudflare Cloud Email Security page.
View Cloudflare Cloud Email SecurityCloudflare Cloud Email Security alternativesCloudmark Authority vs Cloudflare Cloud Email Security
AI-powered email security platform for threat detection and compliance
Key features: 10 listed. See them on the Trustifi AI Powered Email Security page.
View Trustifi AI Powered Email SecurityTrustifi AI Powered Email Security alternativesCloudmark Authority vs Trustifi AI Powered Email Security
Email security gateway protecting against spam, phishing, viruses & data leaks
Key features: 10 listed. See them on the MDaemon Technologies SecurityGateway page.
View MDaemon Technologies SecurityGatewayMDaemon Technologies SecurityGateway alternativesCloudmark Authority vs MDaemon Technologies SecurityGateway
Cloud-based email security platform with AI-powered threat detection
Key features: 10 listed. See them on the MX Layer Email Security page.
View MX Layer Email SecurityMX Layer Email Security alternativesCloudmark Authority vs MX Layer Email Security
Managed email security service protecting against email-based threats
Key features: 6 listed. See them on the LevelBlue Email Security page.
View LevelBlue Email SecurityLevelBlue Email Security alternativesCloudmark Authority vs LevelBlue Email Security
Cloud email security for Microsoft 365 and Google Workspace applications
Key features: 10 listed. See them on the ESET Cloud Office Security page.
View ESET Cloud Office SecurityESET Cloud Office Security alternativesCloudmark Authority vs ESET Cloud Office Security
Email security platform blocking spam, phishing, malware, and viruses
Key features: 10 listed. See them on the TitanHQ SpamTitan page.
View TitanHQ SpamTitanTitanHQ SpamTitan alternativesCloudmark Authority vs TitanHQ SpamTitan
Need the answer fast? Best Email Security Solutions for Business picks Proofpoint Core Email Protection, Microsoft Defender for Office 365, Mimecast Advanced Email Security and 4 more.See the shortlist