Secure Email Gateway - Enterprise
Top Proofpoint Advanced Threat Protection Alternatives and Competitors

Cisco Email Security offers high availability email protection against the constant, dynamic, rapidly changing threats affecting email today.

FortiMail delivers advanced multi-layered protection against the full spectrum of email-borne threats. Powered by FortiGuard Labs threat intelligence and integrated into the Fortinet Security Fabric, FortiMail helps your organization prevent, detect, and respond to email-based threats including spam, phishing, malware, zero-day threats, impersonation, and Business Email Compromise (BEC) attacks.

Kaspersky Secure Mail Gateway gives you a fully integrated email system & mail security solution – including anti-spam, anti-malware, anti-phishing and more – in a single virtual appliance.

The Barracuda Email Security Gateway is an email security gateway that manages and filters all inbound and outbound email traffic to protect organizations from email-borne threats and data leaks. As a complete email management solution, the Barracuda Email Security Gateway lets organizations encrypt messages and leverage the cloud to spool email if mail servers become unavailable..

Guard against spam and malware, maintain email access during and after emergencies, and simplify administration of messaging environments with help from Exchange Online Protection deployed across a global network of data centers.

Our purpose-built secure email gateway is an all-in-one solution for email encryption, DLP, anti-spam and threat protection. It provides advanced protection from today’s sophisticated spear phishing attacks and gives you full control over data leaving your organization via email.

The Symantec™ Messaging Gateway is an on-premise email security solution that provides inbound and outbound protection against the latest messaging threats, including ransomware, spear phishing, and business email compromise (BEC).It catches more than 99 percent of spam and provides built-in data protection capabilities to keep your email secure and confidential, and it effectively responds to new messaging threats with real-time antispam and antimalware intelligence.