The closest ESET Mail Security alternatives are Fortra Email Security & Anti-Phishing, Cellopoint Cloud Email Security Solution and Bitdefender GravityZone Extended Email Security. Picking an ESET Mail Security 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.
41 alternativesClosest matches: Fortra Email Security & Anti-Phishing, Cellopoint Cloud Email Security Solution, Bitdefender GravityZone Extended Email SecurityPage updated Nov 2026
The product
by ESET
Email security for Microsoft Exchange servers with anti-spam and anti-malware
ESET Mail Security is a commercial Email Security Platforms solution made by ESET. The closest matches by shared tags and NIST CSF 2.0 coverage are Fortra Email Security & Anti-Phishing, Cellopoint Cloud Email Security Solution, Bitdefender GravityZone Extended Email Security, Mesh 365, and KnowBe4 Cloud Email Security. All 41 alternatives on this page are ranked the same way.
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VisitThese 8 solutions overlap most with ESET Mail Security. 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
Cloud-based email security platform protecting against phishing, ransomware, BEC
Cloud-native email security platform with SEG and API-based protection
AI-driven email security platform for Microsoft 365 inbound/outbound threats
Email security platform with AI threat detection, BEC protection, and DLP
Email gateway that blocks spam, phishing and malware before inbox delivery, made
Email and collaboration security for Microsoft 365 environments
AI-powered email security platform protecting against phishing, BEC, and ATO
Behavioral email security platform protecting inbound, outbound, and internal mail
Email security platform with inline threat protection and compliant archiving
Cloud-based email security platform protecting against phishing & ransomware
Email security platform protecting M365 & Google Workspace from threats
Cloud-based email security platform with AI-powered threat detection
Email security platform blocking spam, phishing, malware, and viruses
Enterprise email security platform for cloud and on-premise deployments
Email security platform protecting against phishing, malware, and exploits
Email security platform for Microsoft 365 with AI-based threat detection
Email threat protection for Microsoft 365 with advanced detection capabilities
MX-based email security platform using AI to block spam, phishing & malware
Email filtering service protecting against spam, viruses, and phishing.
Email security platform enhanced with multi-tenant mgmt & automation tools
Comprehensive email security & human risk mgmt platform with AI-powered protection
AI-based email security for M365 with phishing, BEC & malware detection.
AI-powered anti-phishing platform for Microsoft 365 & Google Workspace.
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
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 platform with phishing/BEC protection and MDR/XDR integration
Cloud-native email security platform for phishing detection and response
All-in-one email security platform for threat protection and compliance
AI-powered email security platform for threat detection and compliance
Email security gateway protecting against spam, phishing, viruses & data leaks
AI-driven email security platform for detecting advanced email threats
Email authentication platform implementing DMARC, SPF, DKIM, and BIMI protocols
AI-powered email and collaboration security platform for threat detection
Managed email security service protecting against email-based threats
Common questions when weighing alternatives to ESET Mail Security.
The closest matches to ESET Mail Security by shared tags and NIST CSF 2.0 coverage are Fortra Email Security & Anti-Phishing, Cellopoint Cloud Email Security Solution, Bitdefender GravityZone Extended Email Security, Mesh 365, and KnowBe4 Cloud Email Security. All of them are Email Security Platforms products.
This page shows 41 alternatives to ESET Mail Security, 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.
ESET Mail Security 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.
ESET Mail Security is a Email Security Platforms product in the Email & Messaging Security category. You can compare it with the 41 other Email Security Platforms products on this page.
View Fortra Email Security & Anti-PhishingFortra Email Security & Anti-Phishing alternativesESET Mail Security vs Fortra Email Security & Anti-Phishing
Cloud-based email security platform protecting against phishing, ransomware, BEC
Key features: 8 listed. See them on the Cellopoint Cloud Email Security Solution page.
View Cellopoint Cloud Email Security SolutionCellopoint Cloud Email Security Solution alternativesESET Mail Security vs Cellopoint Cloud Email Security Solution
Cloud-native email security platform with SEG and API-based protection
Key features: 10 listed. See them on the Bitdefender GravityZone Extended Email Security page.
View Bitdefender GravityZone Extended Email SecurityBitdefender GravityZone Extended Email Security alternativesESET Mail Security vs Bitdefender GravityZone Extended Email Security
API-based email security platform for Microsoft 365 environments
Key features: 10 listed. See them on the Mesh 365 page.
View Mesh 365Mesh 365 alternativesESET Mail Security vs Mesh 365
AI-driven email security platform for Microsoft 365 inbound/outbound threats
Key features: 10 listed. See them on the KnowBe4 Cloud Email Security page.
View KnowBe4 Cloud Email SecurityKnowBe4 Cloud Email Security alternativesESET Mail Security vs KnowBe4 Cloud Email Security
Email security platform with AI threat detection, BEC protection, and DLP
Key features: 10 listed. See them on the ConnectWise Email Security page.
View ConnectWise Email SecurityConnectWise Email Security alternativesESET Mail Security vs ConnectWise Email Security
Email gateway that blocks spam, phishing and malware before inbox delivery, made
Key features: 10 listed. See them on the NoSpamProxy Protection page.
View NoSpamProxy ProtectionNoSpamProxy Protection alternativesESET Mail Security vs NoSpamProxy Protection
Email and collaboration security for Microsoft 365 environments
Key features: 10 listed. See them on the Microsoft Defender for Office 365 page.
View Microsoft Defender for Office 365Microsoft Defender for Office 365 alternativesESET Mail Security vs Microsoft Defender for Office 365
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