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48 Best ConnectWise Email Security Alternatives & Competitors (2026) | CybersecTools

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ConnectWise Email Security

Best ConnectWise Email Security Alternatives & Competitors in 2026

Top picks: ESET Cloud Office Security, Bitdefender GravityZone Extended Email Security, Mesh 365 — plus 45 more compared.

Email & Messaging Security

Evaluating ConnectWise Email Security alternatives comes down to matching Email & Messaging Security capabilities to your environment, integrations, and budget rather than chasing feature parity. The options below are compared on what actually drives a switch: coverage, deployment fit, pricing, and real reviews from security teams. Independent and vendor-neutral: we never sell rankings.

ConnectWise Email Security Alternatives and Competitors

ConnectWise Email Security is a commercial Email Security Platforms tool developed by ConnectWise, LLC. Security professionals most commonly compare it with ESET Cloud Office Security, Bitdefender GravityZone Extended Email Security, Mesh 365, KnowBe4 Cloud Email Security, and Microsoft Defender for Office 365. All 48 alternatives are matched by shared capabilities, tags, and NIST CSF 2.0 coverage.

Data verified Jul 2026

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Top ConnectWise Email Security Alternatives and Competitors at a Glance

A closer look at the 8 most relevant alternatives and competitors to ConnectWise Email Security, including their key features and shared capabilities.

ESET Cloud Office Security

Commercial

Email Security Platforms

Cloud email security for Microsoft 365 and Google Workspace applications

Key features: Spam filtering, Anti-malware scanning, Anti-phishing protection, Antispoofing protection, Homoglyph protection

View ESET Cloud Office Security|ESET Cloud Office Security alternatives|Compare ESET Cloud Office Security

Bitdefender GravityZone Extended Email Security

Commercial

Email Security Platforms

Cloud-native email security platform with SEG and API-based protection

Key features: Pre-delivery and post-delivery email protection, Secure Email Gateway (SEG) and API-based deployment options, Business Email Compromise (BEC) and impersonation detection, Multi-layered threat detection for known and unknown threats, SPF and DMARC email authentication support

View Bitdefender GravityZone Extended Email Security|Bitdefender GravityZone Extended Email Security alternatives|Compare Bitdefender GravityZone Extended Email Security

Commercial

Email Security Platforms

API-based email security platform for Microsoft 365 environments

Key features: API-based integration with Microsoft 365, Business email compromise protection, Impersonation detection, Email sandboxing, URL protection

View Mesh 365|Mesh 365 alternatives|Compare Mesh 365

KnowBe4 Cloud Email Security

Commercial

Email Security Platforms

AI-driven email security platform for Microsoft 365 inbound/outbound threats

Key features: AI-driven detection of phishing, ransomware, and business email compromise, Behavioral AI and self-learning threat models, Real-time outbound email monitoring and data loss prevention, User alerts for accidental sends and misdirected emails, Policy-based email encryption

View KnowBe4 Cloud Email Security|KnowBe4 Cloud Email Security alternatives|Compare KnowBe4 Cloud Email Security

Microsoft Defender for Office 365

Commercial

Email Security Platforms

Email and collaboration security for Microsoft 365 environments

Key features: AI-powered sentiment analysis for email filtering, Inline protection against malicious links and attachments in Outlook and Teams, Real-time detonation of attachments and links, Automated BEC attack disruption with user disabling and device isolation, Post-delivery removal of malicious emails

View Microsoft Defender for Office 365|Microsoft Defender for Office 365 alternatives|Compare Microsoft Defender for Office 365

Cellopoint Cloud Email Security Solution

Commercial

Email Security Platforms

Cloud-based email security platform protecting against phishing, ransomware, BEC

Key features: AI and machine learning-based threat detection, Phishing protection, Ransomware protection, Business email compromise (BEC) protection, Advanced persistent threat (APT) detection

View Cellopoint Cloud Email Security Solution|Cellopoint Cloud Email Security Solution alternatives|Compare Cellopoint Cloud Email Security Solution

Broadcom Symantec Email Security

Commercial

Email Security Platforms

Enterprise email security platform for cloud and on-premise deployments

Key features: Multilayered defense against ransomware, spear phishing, and BEC attacks, Cloud-based and on-premises deployment options, Cloud-based sandboxing for advanced threat detection, Click-time URL protection, Office 365 clawback and remediation

View Broadcom Symantec Email Security|Broadcom Symantec Email Security alternatives|Compare Broadcom Symantec Email Security

Commercial

Email Security Platforms

Unified AI-powered cybersecurity & cyber insurance platform for SMBs.

Key features: AI-powered email threat detection and protection, Risk monitoring to identify exploitable systems and users, Endpoint, network, and cloud threat detection and automated response, Browser extension for real-time web protection, Security awareness training and phishing simulation

View Upfort|Upfort alternatives|Compare Upfort

All 48 Alternatives & Competitors to ConnectWise Email Security

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ESET Cloud Office Security

Cloud email security for Microsoft 365 and Google Workspace applications

Email Security Platforms

Compare

Bitdefender GravityZone Extended Email Security

Cloud-native email security platform with SEG and API-based protection

Email Security Platforms

Compare

API-based email security platform for Microsoft 365 environments

Email Security Platforms

Compare

KnowBe4 Cloud Email Security

AI-driven email security platform for Microsoft 365 inbound/outbound threats

Email Security Platforms

Compare

Microsoft Defender for Office 365

Email and collaboration security for Microsoft 365 environments

Email Security Platforms

Compare

Cellopoint Cloud Email Security Solution

Cloud-based email security platform protecting against phishing, ransomware, BEC

Email Security Platforms

Compare

Broadcom Symantec Email Security

Enterprise email security platform for cloud and on-premise deployments

Email Security Platforms

Compare

Unified AI-powered cybersecurity & cyber insurance platform for SMBs.

Email Security Platforms

Compare

INKY Behavioral Email Security Platform

Behavioral email security platform protecting inbound, outbound, and internal mail

Email Security Platforms

Compare

SorbSecurity Cloud Email Security

Cloud-based email security platform protecting against phishing & ransomware

Email Security Platforms

Compare

MX Layer Email Security

Cloud-based email security platform with AI-powered threat detection

Email Security Platforms

Compare

ESET Mail Security

Email security for Microsoft Exchange servers with anti-spam and anti-malware

Email Security Platforms

Compare

OPSWAT MetaDefender Email Security

Email security platform protecting against phishing, malware, and exploits

Email Security Platforms

Compare

TitanHQ Cybersecurity Bundles

Bundled cybersecurity solutions for MSPs and end users with email protection

Email Security Platforms

Compare

VIPRE Integrated Email Security (IES)

Email security platform for Microsoft 365 with AI-based threat detection

Email Security Platforms

Compare

Cybersentriq MX Email Threat Protection

MX-based email security platform using AI to block spam, phishing & malware

Email Security Platforms

Compare

Vircom Email Security

Email security platform enhanced with multi-tenant mgmt & automation tools

Email Security Platforms

Compare

GLIMPS Email Security for M365

AI-based email security for M365 with phishing, BEC & malware detection.

Email Security Platforms

Compare

ID Agent Graphus

AI-powered anti-phishing platform for Microsoft 365 & Google Workspace.

Email Security Platforms

Compare

Cloud-based anti-spam and antivirus email filtering with AI threat detection.

Email Security Platforms

Compare

Cisco Secure Email Threat Defense

Email threat protection for Microsoft 365 with advanced detection capabilities

Email Security Platforms

Compare

Fortinet FortiMail Email Security

AI-powered email security platform protecting against phishing, BEC, and ATO

Email Security Platforms

Compare

Email security platform with phishing/BEC protection and MDR/XDR integration

Email Security Platforms

Compare

Mimecast Advanced Email Security

Email security platform protecting M365 & Google Workspace from threats

Email Security Platforms

Compare

Trustifi AI Powered Email Security

AI-powered email security platform for threat detection and compliance

Email Security Platforms

Compare

Proofpoint Threat Protection

Email security platform with AI-based threat detection and DLP capabilities

Email Security Platforms

Compare

TitanHQ SpamTitan

Email security platform blocking spam, phishing, malware, and viruses

Email Security Platforms

Compare

Fortra Email Security & Anti-Phishing

Email security platform protecting against phishing, BEC, and data loss

Email Security Platforms

Compare

Egress Intelligent Email Security

Cloud email security platform for inbound/outbound threat detection & DLP

Email Security Platforms

Compare

SpamExperts Incoming Email Filtering

Email filtering service protecting against spam, viruses, and phishing.

Email Security Platforms

Compare

Mailinblack U-Cyber 360°

Comprehensive email security & human risk mgmt platform with AI-powered protection

Email Security Platforms

Compare

Infonaligy Proofpoint Email Security

Managed Proofpoint email security service for phishing & BEC protection.

Email Security Platforms

Compare

MailGuard Email Security

Cloud-based email filtering blocking phishing, malware, spam & BEC attacks.

Email Security Platforms

Compare

TitanHQ Security Bundles

Tiered cybersecurity bundles combining email, DNS, backup & SAT.

Email Security Platforms

Compare

SpamTitan for Office 365

Email security layer for M365 with anti-phishing, sandboxing, and DLP.

Email Security Platforms

Compare

Ocean Agentic Email Security Platform

Agentic AI email security platform that investigates emails pre-delivery.

Email Security Platforms

Compare

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

Compare

TrustLayer Mail

Email security platform with inline threat protection and compliant archiving

Email Security Platforms

Compare

GreatHorn Email Security

Cloud-native email security platform for phishing detection and response

Email Security Platforms

Compare

Zivver Secure Business Email

All-in-one email security platform for threat protection and compliance

Email Security Platforms

Compare

xorlab Email Security

AI-driven email security platform for detecting advanced email threats

Email Security Platforms

Compare

Trend Micro Trend Vision One™

AI-powered email and collaboration security platform for threat detection

Email Security Platforms

Compare

AnubisNetworks Email Security

Email security platform protecting against fraud, malware, and spam threats

Email Security Platforms

Compare

Bitdefender GravityZone Security for Exchange

Email security for Microsoft Exchange servers with antispam and antimalware.

Email Security Platforms

Compare

ThreatDown Email Security

AI-powered email security platform for phishing and BEC protection

Email Security Platforms

Compare

Cloud-based managed email filtering against phishing, ransomware & BEC.

Email Security Platforms

Compare

AI-Powered Email Security & DMARC Protection

AI-powered DMARC monitoring and email authentication security platform

Email Security Platforms

Compare

DMARC monitoring platform protecting domains from spoofing and BEC attacks.

Email Security Platforms

Also compare alternatives to:

ESET Cloud Office Security alternatives Bitdefender GravityZone Extended Email Security alternatives Mesh 365 alternatives KnowBe4 Cloud Email Security alternatives Microsoft Defender for Office 365 alternatives Cellopoint Cloud Email Security Solution alternatives Broadcom Symantec Email Security alternatives Upfort alternatives INKY Behavioral Email Security Platform alternatives SorbSecurity Cloud Email Security alternatives MX Layer Email Security alternatives ESET Mail Security alternatives

Compare ConnectWise Email Security with:

ConnectWise Email Security vs ESET Cloud Office Security ConnectWise Email Security vs Bitdefender GravityZone Extended Email Security ConnectWise Email Security vs Mesh 365 ConnectWise Email Security vs KnowBe4 Cloud Email Security ConnectWise Email Security vs Microsoft Defender for Office 365 ConnectWise Email Security vs Cellopoint Cloud Email Security Solution ConnectWise Email Security vs Broadcom Symantec Email Security ConnectWise Email Security vs Upfort

ConnectWise Email Security Alternatives FAQ

Common questions security professionals ask when evaluating alternatives and competitors to ConnectWise Email Security.

What are the best alternatives to ConnectWise Email Security?

The most popular alternatives to ConnectWise Email Security include ESET Cloud Office Security, Bitdefender GravityZone Extended Email Security, Mesh 365, KnowBe4 Cloud Email Security, and Microsoft Defender for Office 365. These Email Security Platforms tools offer similar capabilities and are frequently compared by security professionals evaluating their options.

How many alternatives to ConnectWise Email Security are available?

There are 48 alternatives to ConnectWise Email Security listed on CybersecTools, all within the Email Security Platforms category. Each alternative is matched based on shared capabilities, tags, and NIST CSF coverage areas.

Is ConnectWise Email Security free or commercial?

ConnectWise Email Security is a commercial Email Security Platforms tool. It requires a paid license or subscription. Both free and commercial alternatives are available for comparison.

What type of tool is ConnectWise Email Security?

ConnectWise Email Security is a Email Security Platforms tool within the broader Email & Messaging Security category. It is used by security professionals for email security platforms capabilities and can be compared against 48 similar tools.

Have more questions? Browse our categories or search for specific tools.

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