Best Group-IB Business Email Protection Alternatives & Competitors in 2026

SorbSecurity Cloud Email Security

Cloud-based email security platform protecting against phishing & ransomware

Trend Micro Trend Vision One™

AI-powered email and collaboration security platform for threat detection

AnubisNetworks Email Security

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

ESET Cloud Office Security

Cloud email security for Microsoft 365 and Google Workspace applications

OPSWAT MetaDefender Email Security

Email security platform protecting against phishing, malware, and exploits

Cybonet Mail Secure

Email security gateway with anti-spam, AV, sandboxing, and DLP.

Microsoft Defender for Office 365

Email and collaboration security for Microsoft 365 environments

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.

Sophos Email

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

Trustifi AI Powered Email Security

AI-powered email security platform for threat detection and compliance

Mesh Gateway

Email security gateway protecting against phishing, BEC, and email-borne threats

MX Layer Email Security

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

xorlab Email Security

AI-driven email security platform for detecting advanced email threats

LevelBlue Email Security

Managed email security service protecting against email-based threats

Proofpoint Threat Protection

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

Abnormal Inbound Email Security

AI-powered email security platform detecting advanced threats via behavioral analysis

Bitdefender GravityZone Extended Email Security

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

Broadcom Symantec Email Security

Enterprise email security platform for cloud and on-premise deployments

VIPRE Integrated Email Security (IES)

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

Trustifi Inbound Shield

AI-powered inbound email security platform for phishing & malware detection

Mesh 365

API-based email security platform for Microsoft 365 environments

Sublime Email Security

AI-powered email security platform with agentic automation and detection

Cybersentriq MX Email Threat Protection

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

ConnectWise Email Security

Email security platform with AI threat detection, BEC protection, and DLP

SpamExperts Email Security

Email security platform filtering spam, phishing, and malware threats

AegisAI Agentic Email Security

AI-powered email security platform that detects phishing, BEC, and malware

GLIMPS Email Security for M365

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

Infonaligy Proofpoint Email Security

Managed Proofpoint email security service for phishing & BEC protection.

MailGuard Email Security

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

SpamTitan

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

Upfort

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

AI-Powered Email Security & DMARC Protection

AI-powered DMARC monitoring and email authentication security platform

Cisco Secure Email Threat Defense

Email threat protection for Microsoft 365 with advanced detection capabilities

PowerDMARC

DMARC monitoring platform protecting domains from spoofing and BEC attacks.

Fortinet FortiMail Email Security

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

Cellopoint Cloud Email Security Solution

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

INKY Behavioral Email Security Platform

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

TrustLayer Mail

Email security platform with inline threat protection and compliant archiving

Mimecast Advanced Email Security

Email security platform protecting M365 & Google Workspace from threats

GreatHorn Email Security

Cloud-native email security platform for phishing detection and response

Zivver Secure Business Email

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

MDaemon Technologies SecurityGateway

Email security gateway protecting against spam, phishing, viruses & data leaks

Abnormal AI Security Mailbox

AI-powered email security operations platform for automated threat triage

ESET Mail Security

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

Material Security Email Security

Cloud workspace security platform for email, files, and account protection

TitanHQ SpamTitan

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

Bitdefender GravityZone Security for Exchange

Email security for Microsoft Exchange servers with antispam and antimalware.

Comodo Secure Email Gateway

Cloud-based email gateway with spam filtering, anti-phishing, and containment