Best Comodo Secure Email Gateway Alternatives & Competitors in 2026

Trustifi AI Powered Email Security

AI-powered email security platform for threat detection and compliance

SpamTitan Gateway

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

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.

MX Layer Email Security

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

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

SpamExperts Incoming Email Filtering

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

SmarterTools SmarterMail

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

Mailinblack U-Cyber 360°

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

ID Agent Graphus

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

MailChannels cPanel Plugin

cPanel/WHM plugin for provisioning MailChannels email security for hosting customers.

SpamTitan

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

Ocean Agentic Email Security Platform

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

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

MDaemon Technologies SecurityGateway

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

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

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

TitanHQ Cybersecurity Bundles

Bundled cybersecurity solutions for MSPs and end users with email protection

MX Layer Outbound Email Filtering

Outbound email filtering platform for spam prevention and IP reputation mgmt

VIPRE Integrated Email Security (IES)

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

Egress Intelligent Email Security

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

Trustifi Inbound Shield

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

SpamExperts Email Security

Email security platform filtering spam, phishing, and malware threats

SpamExperts Outbound Email Protection

Outbound email filtering to block spam, phishing, and malware traffic.

Cybonet Mail Secure

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

Halon

Composable email infrastructure platform with threat detection and AI ops.

MailChannels Outbound Filtering

Cloud SMTP relay for hosting providers to filter outbound spam & protect IP reputation.

MailGuard Email Security

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

MailGuard

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

SpamTitan for Office 365

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

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.

Microsoft Defender for Office 365

Email and collaboration security for Microsoft 365 environments

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

Sophos Email

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

SorbSecurity Cloud Email Security

Cloud-based email security platform protecting against phishing & ransomware

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

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

Bitdefender GravityZone Security for Exchange

Email security for Microsoft Exchange servers with antispam and antimalware.

Bitdefender GravityZone Extended Email Security

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