Best Bitdefender GravityZone Security for Exchange Alternatives & Competitors in 2026

SpamTitan for Office 365

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

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

TitanHQ Cybersecurity Bundles

Bundled cybersecurity solutions for MSPs and end users with email protection

GLIMPS Email Security for M365

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

SourcetekIT Email Security Service

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

Vade (Hornetsecurity) 365 Total Protection

AI-powered email security platform for Microsoft 365 with backup & compliance.

TitanHQ Security Bundles

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

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.

Hornetsecurity 365 Total Protection

Comprehensive M365 security suite with email protection, backup, and compliance

TrustLayer Mail

Email security platform with inline threat protection and compliant archiving

odix FileWallTM for Microsoft 365

File-based threat protection for Microsoft 365 using CDR technology

Trustifi AI Powered Email Security

AI-powered email security platform for threat detection and compliance

MDaemon Technologies SecurityGateway

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

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

ESET Mail Security

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

TitanHQ SpamTitan

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

Bitdefender GravityZone Extended Email Security

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

MX Layer Outbound Email Filtering

Outbound email filtering platform for spam prevention and IP reputation mgmt

Altospam Mailsafe

Cloud-based anti-spam solution filtering inbound email threats

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

Trustifi Inbound Shield

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

MDaemon Technologies MDaemon AntiVirus

Email antivirus and antispam solution for MDaemon email servers

Mesh 365

API-based email security platform for Microsoft 365 environments

Cybersentriq MX Email Threat Protection

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

Cloudmark Authority

Carrier-grade email security for ISPs blocking spam, phishing, and 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

Vircom Email Security

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

SmarterTools SmarterMail

Email server with antispam, antivirus, and security features for Linux/Windows

Blaze Networks Blaze Screen

Managed email filtering service with threat detection and spam prevention

Cyber Cops Email Security

Cloud-based email security service protecting against phishing, malware & BEC

Abusix Guardian Mail

Email threat protection using blocklists, blocking 99.6%+ of email threats.

Abusix Email Threat Protection

Real-time email threat blocking via RBL/DNSBL blocklists for mail servers.

ATG Managed Email Security

Managed cloud email security service with anti-spam, anti-phishing, and DLP.

Clearnetwork ContentCatcher

Cloud-based email security platform with DLP, encryption, and archiving.

Cybonet Mail Secure

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

Halon

Composable email infrastructure platform with threat detection and AI ops.

Infortech Secure Managed Business Email

Managed business email service on MailEnable with security & no per-mailbox fees.

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.

SpamTitan Gateway

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

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