# Cloudmark Authority alternatives and competitors (2026) The closest Cloudmark Authority alternatives are [Fortra Email Security & Anti-Phishing](https://cybersectools.com/tools/fortra-email-security-and-anti-phishing), [Cloudflare Cloud Email Security](https://cybersectools.com/tools/cloudflare-cloud-email-security) and [Trustifi AI Powered Email Security](https://cybersectools.com/tools/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 alternatives. Closest matches: Fortra Email Security & Anti-Phishing, Cloudflare Cloud Email Security, Trustifi AI Powered Email Security. ## The product [Cloudmark Authority](https://cybersectools.com/tools/cloudmark-authority) by Cloudmark Carrier-grade email security for ISPs blocking spam, phishing, and malware Category: [Email & Messaging Security](https://cybersectools.com/categories/email-security) · Pricing model: Commercial Need the answer fast? [Best Email Security Solutions for Business](https://cybersectools.com/shortlists/best-email-security-platforms) picks Proofpoint Core Email Protection, Microsoft Defender for Office 365, Mimecast Advanced Email Security and 4 more. ## Cloudmark Authority alternatives and competitors Cloudmark Authority is a commercial [Email Security Platforms](https://cybersectools.com/categories/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](https://cybersectools.com/tools/fortra-email-security-and-anti-phishing), [Cloudflare Cloud Email Security](https://cybersectools.com/tools/cloudflare-cloud-email-security), [Trustifi AI Powered Email Security](https://cybersectools.com/tools/trustifi-ai-powered-email-security), [MDaemon Technologies SecurityGateway](https://cybersectools.com/tools/mdaemon-technologies-securitygateway), and [MX Layer Email Security](https://cybersectools.com/tools/mx-layer-email-security). All 33 alternatives on this page are ranked the same way. ## The closest Cloudmark Authority alternatives These 8 solutions overlap most with Cloudmark Authority. Each one says what the product does and, when the overlap is big enough, which capabilities it shares. ### 1. [Fortra Email Security & Anti-Phishing](https://cybersectools.com/tools/fortra-email-security-and-anti-phishing) (Featured) Email security platform protecting against phishing, BEC, and data loss [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: DMARC email authentication and enforcement, Business email compromise detection, Spear phishing protection, Account takeover detection, Data loss prevention for sensitive data [Fortra Email Security & Anti-Phishing alternatives](https://cybersectools.com/alternatives/fortra-email-security-and-anti-phishing) · [Cloudmark Authority vs Fortra Email Security & Anti-Phishing](https://cybersectools.com/compare/cloudmark-authority-vs-fortra-email-security-and-anti-phishing) ### 2. [Cloudflare Cloud Email Security](https://cybersectools.com/tools/cloudflare-cloud-email-security) 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. [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 9 listed. See them on the [Cloudflare Cloud Email Security page](https://cybersectools.com/tools/cloudflare-cloud-email-security#features). [Cloudflare Cloud Email Security alternatives](https://cybersectools.com/alternatives/cloudflare-cloud-email-security) · [Cloudmark Authority vs Cloudflare Cloud Email Security](https://cybersectools.com/compare/cloudflare-cloud-email-security-vs-cloudmark-authority) ### 3. [Trustifi AI Powered Email Security](https://cybersectools.com/tools/trustifi-ai-powered-email-security) AI-powered email security platform for threat detection and compliance [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [Trustifi AI Powered Email Security page](https://cybersectools.com/tools/trustifi-ai-powered-email-security#features). [Trustifi AI Powered Email Security alternatives](https://cybersectools.com/alternatives/trustifi-ai-powered-email-security) · [Cloudmark Authority vs Trustifi AI Powered Email Security](https://cybersectools.com/compare/cloudmark-authority-vs-trustifi-ai-powered-email-security) ### 4. [MDaemon Technologies SecurityGateway](https://cybersectools.com/tools/mdaemon-technologies-securitygateway) Email security gateway protecting against spam, phishing, viruses & data leaks [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [MDaemon Technologies SecurityGateway page](https://cybersectools.com/tools/mdaemon-technologies-securitygateway#features). [MDaemon Technologies SecurityGateway alternatives](https://cybersectools.com/alternatives/mdaemon-technologies-securitygateway) · [Cloudmark Authority vs MDaemon Technologies SecurityGateway](https://cybersectools.com/compare/cloudmark-authority-vs-mdaemon-technologies-securitygateway) ### 5. [MX Layer Email Security](https://cybersectools.com/tools/mx-layer-email-security) Cloud-based email security platform with AI-powered threat detection [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [MX Layer Email Security page](https://cybersectools.com/tools/mx-layer-email-security#features). [MX Layer Email Security alternatives](https://cybersectools.com/alternatives/mx-layer-email-security) · [Cloudmark Authority vs MX Layer Email Security](https://cybersectools.com/compare/cloudmark-authority-vs-mx-layer-email-security) ### 6. [LevelBlue Email Security](https://cybersectools.com/tools/levelblue-email-security) Managed email security service protecting against email-based threats [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 6 listed. See them on the [LevelBlue Email Security page](https://cybersectools.com/tools/levelblue-email-security#features). [LevelBlue Email Security alternatives](https://cybersectools.com/alternatives/levelblue-email-security) · [Cloudmark Authority vs LevelBlue Email Security](https://cybersectools.com/compare/cloudmark-authority-vs-levelblue-email-security) ### 7. [ESET Cloud Office Security](https://cybersectools.com/tools/eset-cloud-office-security) Cloud email security for Microsoft 365 and Google Workspace applications [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [ESET Cloud Office Security page](https://cybersectools.com/tools/eset-cloud-office-security#features). [ESET Cloud Office Security alternatives](https://cybersectools.com/alternatives/eset-cloud-office-security) · [Cloudmark Authority vs ESET Cloud Office Security](https://cybersectools.com/compare/cloudmark-authority-vs-eset-cloud-office-security) ### 8. [TitanHQ SpamTitan](https://cybersectools.com/tools/titanhq-spamtitan) Email security platform blocking spam, phishing, malware, and viruses [Email Security Platforms](https://cybersectools.com/categories/email-security-platforms) · Commercial Key features: 10 listed. See them on the [TitanHQ SpamTitan page](https://cybersectools.com/tools/titanhq-spamtitan#features). [TitanHQ SpamTitan alternatives](https://cybersectools.com/alternatives/titanhq-spamtitan) · [Cloudmark Authority vs TitanHQ SpamTitan](https://cybersectools.com/compare/cloudmark-authority-vs-titanhq-spamtitan) ## All 33 products like Cloudmark Authority The 8 above, plus: - [Bitdefender GravityZone Security for Exchange](https://cybersectools.com/tools/bitdefender-gravityzone-security-for-exchange): Email security for Microsoft Exchange servers with antispam and antimalware. (Commercial) - [Cybersentriq MX Email Threat Protection](https://cybersectools.com/tools/cybersentriq-mx-email-threat-protection): MX-based email security platform using AI to block spam, phishing & malware (Commercial) - [SpamExperts Email Security](https://cybersectools.com/tools/spamexperts-email-security): Email security platform filtering spam, phishing, and malware threats (Commercial) - [SmarterTools SmarterMail](https://cybersectools.com/tools/smartertools-smartermail): Email server with antispam, antivirus, and security features for Linux/Windows (Commercial) - [Mailinblack U-Cyber 360°](https://cybersectools.com/tools/mailinblack-u-cyber-360): Comprehensive email security & human risk mgmt platform with AI-powered protection (Commercial) - [Abusix Guardian Mail](https://cybersectools.com/tools/abusix-guardian-mail): Email threat protection using blocklists, blocking 99.6%+ of email threats. (Commercial) - [Cybonet Outbound Spam Guard (OSG)](https://cybersectools.com/tools/cybonet-outbound-spam-guard-osg): Carrier-grade outbound spam & botnet detection solution for ISPs. (Commercial) - [Halon](https://cybersectools.com/tools/halon): Composable email infrastructure platform with threat detection and AI ops. (Commercial) - [ID Agent Graphus](https://cybersectools.com/tools/id-agent-graphus): AI-powered anti-phishing platform for Microsoft 365 & Google Workspace. (Commercial) - [MailChannels cPanel Plugin](https://cybersectools.com/tools/mailchannels-cpanel-plugin): cPanel/WHM plugin for provisioning MailChannels email security for hosting customers. (Commercial) - [MailGuard Email Security](https://cybersectools.com/tools/mailguard-email-security): Cloud-based email filtering blocking phishing, malware, spam & BEC attacks. (Commercial) - [SpamTitan](https://cybersectools.com/tools/spamtitan): Cloud-based anti-spam and antivirus email filtering with AI threat detection. (Commercial) - [Ocean Agentic Email Security Platform](https://cybersectools.com/tools/ocean-agentic-email-security-platform): Agentic AI email security platform that investigates emails pre-delivery. (Commercial) - [Hornetsecurity](https://cybersectools.com/tools/hornetsecurity): Cloud security platform for M365 covering email, backup, and awareness. (Commercial) - [Iberlayer Email Guardian](https://cybersectools.com/tools/iberlayer-email-guardian): Cloud-based email security service that blocks spam, phishing, malware, and fraud attacks (Commercial) - [NoSpamProxy Protection](https://cybersectools.com/tools/nospamproxy-protection): Email gateway that blocks spam, phishing and malware before inbox delivery, made (Commercial) - [Comodo Secure Email Gateway](https://cybersectools.com/tools/comodo-secure-email-gateway): Cloud-based email gateway with spam filtering, anti-phishing, and containment (Commercial) - [PowerDMARC Hosted DMARC](https://cybersectools.com/tools/powerdmarc-hosted-dmarc): Cloud-managed DMARC record hosting with DNS-free policy management. (Commercial) - [EasyDMARC Email Auth for Gmail, Yahoo & Microsoft](https://cybersectools.com/tools/easydmarc-email-auth-for-gmail-yahoo-and-microsoft): Domain scanner & compliance tool for Gmail, Yahoo & Microsoft DMARC requirements. (Commercial) - [Microsoft Defender for Office 365](https://cybersectools.com/tools/microsoft-defender-for-office-365): Email and collaboration security for Microsoft 365 environments (Commercial) - [Fortinet FortiMail Email and Workspace Security](https://cybersectools.com/tools/fortinet-fortimail-email-security): AI-powered email security platform protecting against phishing, BEC, and ATO (Commercial) - [Cellopoint Cloud Email Security Solution](https://cybersectools.com/tools/cellopoint-cloud-email-security-solution): Cloud-based email security platform protecting against phishing, ransomware, BEC (Commercial) - [INKY Behavioral Email Security Platform](https://cybersectools.com/tools/inky-behavioral-email-security-platform): Behavioral email security platform protecting inbound, outbound, and internal mail (Commercial) - [Sophos Email](https://cybersectools.com/tools/sophos-email): Email security platform with phishing/BEC protection and MDR/XDR integration (Commercial) - [TrustLayer Mail](https://cybersectools.com/tools/trustlayer-mail): Email security platform with inline threat protection and compliant archiving (Commercial) ## Alternatives to each of these [Fortra Email Security & Anti-Phishing alternatives](https://cybersectools.com/alternatives/fortra-email-security-and-anti-phishing) · [Cloudflare Cloud Email Security alternatives](https://cybersectools.com/alternatives/cloudflare-cloud-email-security) · [Trustifi AI Powered Email Security alternatives](https://cybersectools.com/alternatives/trustifi-ai-powered-email-security) · [MDaemon Technologies SecurityGateway alternatives](https://cybersectools.com/alternatives/mdaemon-technologies-securitygateway) · [MX Layer Email Security alternatives](https://cybersectools.com/alternatives/mx-layer-email-security) · [LevelBlue Email Security alternatives](https://cybersectools.com/alternatives/levelblue-email-security) · [ESET Cloud Office Security alternatives](https://cybersectools.com/alternatives/eset-cloud-office-security) · [TitanHQ SpamTitan alternatives](https://cybersectools.com/alternatives/titanhq-spamtitan) · [Bitdefender GravityZone Security for Exchange alternatives](https://cybersectools.com/alternatives/bitdefender-gravityzone-security-for-exchange) · [Cybersentriq MX Email Threat Protection alternatives](https://cybersectools.com/alternatives/cybersentriq-mx-email-threat-protection) · [SpamExperts Email Security alternatives](https://cybersectools.com/alternatives/spamexperts-email-security) · [SmarterTools SmarterMail alternatives](https://cybersectools.com/alternatives/smartertools-smartermail) ## Other Cloudmark products [Cloudmark Threat Insight alternatives](https://cybersectools.com/alternatives/cloudmark-threat-insight) ## Compare Cloudmark Authority with - [Cloudmark Authority vs Fortra Email Security & Anti-Phishing](https://cybersectools.com/compare/cloudmark-authority-vs-fortra-email-security-and-anti-phishing) - [Cloudmark Authority vs Cloudflare Cloud Email Security](https://cybersectools.com/compare/cloudflare-cloud-email-security-vs-cloudmark-authority) - [Cloudmark Authority vs Trustifi AI Powered Email Security](https://cybersectools.com/compare/cloudmark-authority-vs-trustifi-ai-powered-email-security) - [Cloudmark Authority vs MDaemon Technologies SecurityGateway](https://cybersectools.com/compare/cloudmark-authority-vs-mdaemon-technologies-securitygateway) - [Cloudmark Authority vs MX Layer Email Security](https://cybersectools.com/compare/cloudmark-authority-vs-mx-layer-email-security) - [Cloudmark Authority vs LevelBlue Email Security](https://cybersectools.com/compare/cloudmark-authority-vs-levelblue-email-security) - [Cloudmark Authority vs ESET Cloud Office Security](https://cybersectools.com/compare/cloudmark-authority-vs-eset-cloud-office-security) - [Cloudmark Authority vs TitanHQ SpamTitan](https://cybersectools.com/compare/cloudmark-authority-vs-titanhq-spamtitan) ## Cloudmark Authority Alternatives FAQ ### What are the closest 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. ### How many alternatives to Cloudmark Authority are available? 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. ### Is Cloudmark Authority free or commercial? 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. ### What type of solution is Cloudmark Authority? 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. --- Source: https://cybersectools.com/alternatives/cloudmark-authority For AI agents: every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md, and any product or compare page has a Markdown copy too (add .md to its URL). More on Cloudmark Authority and its alternatives: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=alternatives-md