Best Bitdefender GravityZone Extended Email Security Alternatives & Competitors in 2026

Mesh 365

API-based email security platform for Microsoft 365 environments

ESET Cloud Office Security

Cloud email security for Microsoft 365 and Google Workspace applications

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

SpamTitan

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

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

odix FileWallTM for Microsoft 365

File-based threat protection for Microsoft 365 using CDR technology

TitanHQ SpamTitan

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

KnowBe4 Cloud Email Security

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

SpamExperts Incoming Email Filtering

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

Vircom Email Security

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

SourcetekIT Email Security Service

Managed email security service for Office 365 using Cisco's platform.

SpamTitan for Office 365

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

Microsoft Defender for Office 365

Email and collaboration security for Microsoft 365 environments

SorbSecurity Cloud Email Security

Cloud-based email security platform protecting against phishing & ransomware

MX Layer Email Security

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

ESET Mail Security

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

Broadcom Symantec Email Security

Enterprise email security platform for cloud and on-premise deployments

OPSWAT MetaDefender Email Security

Email security platform protecting against phishing, malware, and exploits

VIPRE Integrated Email Security (IES)

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

Mimecast Collaboration Threat Protection

Secures Microsoft Teams, SharePoint & OneDrive from malware and phishing

GLIMPS Email Security for M365

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

Upfort

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

Cisco Secure Email Threat Defense

Email threat protection for Microsoft 365 with advanced detection capabilities

Fortinet FortiMail Email Security

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

Mimecast Advanced Email Security

Email security platform protecting M365 & Google Workspace from threats

Material Security Email Security

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

Fortra Email Security & Anti-Phishing

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

TitanHQ Cybersecurity Bundles

Bundled cybersecurity solutions for MSPs and end users with email protection

Egress Intelligent Email Security

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

Abnormal Security Cloud-based email security platform

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

MailGuard Email Security

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

SpamTitan Gateway

Email security gateway appliance for spam/malware filtering and mail flow control.

Ocean Agentic Email Security Platform

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

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

TrustLayer Mail

Email security platform with inline threat protection and compliant archiving

Trustifi AI Powered Email Security

AI-powered email security platform for threat detection and compliance

Trend Micro Trend Vision One™

AI-powered email and collaboration security platform for threat detection

Proofpoint Threat Protection

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

AnubisNetworks Email Security

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

Bitdefender GravityZone Security for Exchange

Email security for Microsoft Exchange servers with antispam and antimalware.

MX Layer Email Compliance

Email compliance and archiving solution with DLP and threat protection

INKY Graymail Protection

Filters bulk and graymail to reduce email distractions and boost productivity

Ironscales DMARC Management

DMARC management platform for email authentication and domain protection

Mailinblack U-Cyber 360°

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

Blaze Networks Blaze Screen

Managed email filtering service with threat detection and spam prevention