
Email Security Platforms
Best Mesh 365 alternatives and competitors
30 active tools in the same primary category, including TrustLayer Mail, xorlab Email Security, Material Security Email Security, and 27 more. Open any row for the full SecurityListing profile, pricing context, and integrations.
All 30 alternatives

TrustLayer Mail
TrustLayer Mail on SecurityListing: Email security platform with inline threat protection and compliant archiving
Email Security Platforms
xorlab Email Security
xorlab Email Security on SecurityListing: AI-driven email security platform for detecting advanced email threats
Email Security Platforms
Material Security Email Security
Material Security Email Security on SecurityListing: Cloud workspace security platform for email, files, and account protection
Email Security Platforms
Altospam Mailsafe
Altospam Mailsafe on SecurityListing: Cloud-based anti-spam solution filtering inbound email threats
Email Security Platforms
AI-Powered Email Security & DMARC Protection
AI-Powered Email Security & DMARC Protection on SecurityListing: AI-powered DMARC monitoring and email authentication security platform
Email Security Platforms
Mesh Gateway
Mesh Gateway on SecurityListing: Email security gateway protecting against phishing, BEC, and email-borne threats
Email Security Platforms
Suped
Suped on SecurityListing: Suped is an email deliverability platform that provides DMARC monitoring, email authentication management, and deliverability optimization tools to protect domains from spoofing and improve inbox placement rates.
Email Security Platforms
15 Best Practices for Protecting Your Email with Security Gateway
15 Best Practices for Protecting Your Email with Security Gateway on SecurityListing: Top 15 recommendations to protect your business from email-borne threats with Security Gateway.
Email Security Platforms
AegisAI
AegisAI is an AI-native Email Security platform. Our AI agents think like human analysts—stopping Zero-day Phishing, BEC, and Malware attacks while cutting false positives by up to 90%. Let our AI Ag
Email Security Platforms
Anubis Networks Mail Protection Service
Anubis Networks Mail Protection Service on SecurityListing: Email security gateway for enterprises protecting against threats and risks
Email Security Platforms
SorbSecurity Cloud Email Security
SorbSecurity Cloud Email Security on SecurityListing: Cloud-based email security platform protecting against phishing & ransomware
Email Security PlatformsMimecast Email Security
Email security is critical for all organizations. Block all email attacks using Mimecast's advanced email security product with targeted threat protection.
Email Security Platforms
xorlab Contextual Banners
xorlab Contextual Banners on SecurityListing: Contextual email banner system that alerts users to email threats
Email Security Platforms
Mesh Unified
Mesh Unified on SecurityListing: 2-in-1 email security platform with perimeter & mailbox protection for MSPs
Email Security Platforms
xorlab Attachment Sandbox
xorlab Attachment Sandbox on SecurityListing: Sandboxes email attachments to detect malicious behavior via dynamic analysis
Email Security Platforms
Zivver Email Threat Protection
Zivver Email Threat Protection on SecurityListing: AI-powered email threat detection platform for blocking malicious emails
Email Security Platforms
AnubisNetworks Email Security
AnubisNetworks Email Security on SecurityListing: Email security platform protecting against fraud, malware, and spam threats
Email Security Platforms
Cellopoint Cloud Email Security Solution
Cellopoint Cloud Email Security Solution on SecurityListing: Cloud-based email security platform protecting against phishing, ransomware, BEC
Email Security Platforms
MX Layer Email Security
MX Layer Email Security on SecurityListing: Cloud-based email security platform with AI-powered threat detection
Email Security Platforms
Sublime Email Security
Sublime Email Security on SecurityListing: AI-powered email security platform with agentic automation and detection
Email Security Platforms
Comodo Secure Email Gateway
Comodo Secure Email Gateway on SecurityListing: Cloud-based email gateway with spam filtering, anti-phishing, and containment
Email Security Platforms
Sophos Email
Sophos Email on SecurityListing: Email security platform with phishing/BEC protection and MDR/XDR integration
Email Security Platforms
Mesh Security
Perimeter protection with Mesh Gateway (MX based), mailbox protection with Mesh 365 (API based), or combine them both for complete protection with Mesh Unified - an email security solution that does b
Email Security PlatformsHornetsecurity Email Security
Founded in 2007 and headquartered in Hanover, Germany, Hornetsecurity serves over 125,000 customers across 120+ countries through 12,000+ channel partners, with a team of 750+ specialists. The company holds SOC 2 Type II, ISO 27001:2022, HIPAA, and PCI DSS certifications, and is recognized as a Top Player in Radicati's 2025 Secure Email Market Quadrant and a Niche Player in Gartner's Magic Quadrant for Email Security Platforms.
Email Security Platforms
Zivver Secure Email Gateway
Zivver Secure Email Gateway on SecurityListing: Secure email gateway with automated DLP and zero-knowledge encryption
Email Security Platforms
FortiMail
FortiMail on SecurityListing: FortiMail is an email security solution that protects organizations against phishing, ransomware, zero-day attacks, and business email compromise through multi-layered detection and prevention capabilities.
Email Security Platforms
Internacious Website and Email Security Scan
Internacious Website and Email Security Scan on SecurityListing: Web and email security scanner that checks 16 critical security points in 60 seconds
Email Security Platforms
Varonis Athena AI-Native Email Security
Varonis Athena AI-Native Email Security on SecurityListing: AI-powered security assistant for investigations, incident response & analysis
Email Security Platforms
AnubisNetworks Mail Protection Service
AnubisNetworks Mail Protection Service on SecurityListing: Multitenant email security platform for service providers and MSSPs
Email Security Platforms
Email Security Test by ImmuniWeb
Email Security Test by ImmuniWeb on SecurityListing: A free online tool that tests email server security by evaluating server configurations, DNS security settings, encryption, blacklist status, and potential compromise indicators.
Email Security Platforms
FAQ
- Are these “official” vendor pairings?
- No. Alternatives are category peers for discovery, not paid placements. Vendors can still claim profiles and keep their product pages up to date.
- Why is my favorite tool missing?
- Only active listings in the same primary category appear. Multi-category products may move when their primary category is updated.