Top 10 Best Email Monitoring Software of 2026

Proofpoint is a premier email security and monitoring platform that delivers advanced threat protection, data loss prevention (DLP), and compliance archiving for enterprise environments. It uses AI-driven behavioral analysis, machine learning, and real-time threat intelligence to detect phishing, malware, ransomware, and business email compromise (BEC) attempts with exceptional accuracy. The solution provides granular visibility into email traffic, automated remediation, and detailed reporting to ensure regulatory compliance and minimize data exfiltration risks.

Mimecast is a leading cloud-based email security platform that provides advanced monitoring, threat protection, and archiving for enterprise email environments. It uses AI-driven detection to scan for phishing, malware, ransomware, and impersonation in real-time, while offering data loss prevention (DLP), URL/attachment sandboxing, and continuity services to maintain email flow during outages. Additionally, it includes compliance tools like e-discovery, journaling, and employee awareness training to ensure regulatory adherence and reduce human error.

Microsoft Defender for Office 365 is a comprehensive cloud-based security solution designed to protect email environments from advanced threats like phishing, malware, spam, and business email compromise. It leverages AI and machine learning for real-time detection, including features like Safe Links, Safe Attachments, and anti-impersonation policies. Integrated seamlessly with Microsoft 365, it monitors and remediates threats across Exchange Online, Microsoft Teams, and other collaboration tools, making it ideal for enterprise email security.

Cisco Secure Email, part of Cisco Secure Email Threat Defense, is a cloud-native platform that delivers advanced email security and monitoring for enterprises. It scans inbound, outbound, and internal emails for threats like phishing, malware, spam, and business email compromise using machine learning, sandboxing, and Talos threat intelligence. The solution provides detailed reporting, compliance tools, and policy enforcement to monitor email traffic effectively while minimizing false positives.

Trend Micro Email Security is a cloud-based email gateway solution designed to protect organizations from spam, phishing, malware, ransomware, and advanced persistent threats through real-time scanning and filtering. It leverages AI-driven machine learning, sandbox analysis, and behavioral detection to monitor inbound and outbound email traffic effectively. The platform also includes data loss prevention (DLP), compliance tools, and detailed reporting for comprehensive email monitoring and security management.

Symantec Email Security.cloud is a cloud-based email security platform that provides advanced protection against spam, phishing, malware, and targeted attacks through real-time monitoring and filtering. It offers comprehensive email traffic analysis, quarantine management, data loss prevention (DLP), and detailed reporting for compliance and threat hunting. Integrated seamlessly with Microsoft 365 and Google Workspace, it leverages Symantec's global threat intelligence for proactive defense.

Fortinet FortiMail is a robust email security gateway designed to protect organizations from spam, phishing, malware, and advanced persistent threats through real-time scanning and filtering. It provides comprehensive email monitoring with features like data loss prevention (DLP), content archiving, encryption, and compliance reporting to ensure regulatory adherence. As part of the Fortinet Security Fabric, it offers seamless integration for unified threat management across networks.

Abnormal Security is an AI-powered email security platform that monitors and protects cloud-based email environments like Microsoft 365 and Google Workspace from advanced threats including phishing, business email compromise (BEC), and account takeovers. It employs behavioral analysis and machine learning to detect anomalies in real-time without relying on traditional signatures or rules. The solution offers automated remediation, detailed threat intelligence, and seamless integration for enterprise-scale deployment.

Ironscales is an AI-driven email security platform designed to detect and mitigate phishing, business email compromise (BEC), and account takeover threats in real-time. It combines machine learning with a unique human verification layer via its Phishing Intel network, enabling autonomous response actions like quarantining malicious emails. The solution integrates seamlessly with Microsoft 365 and Google Workspace, offering comprehensive visibility and reporting for security teams.

Barracuda Email Security is a comprehensive cloud-based email gateway solution that provides advanced protection against spam, phishing, malware, and ransomware through AI-driven filtering and monitoring. It includes data loss prevention (DLP), email archiving, encryption, and detailed reporting dashboards for compliance and threat visibility. Designed for organizations handling high email volumes, it monitors inbound and outbound traffic in real-time to prevent data breaches and ensure regulatory adherence.