What are some alternatives?
When comparing Symantec Email Security.cloud and Proofpoint Email Security and Protection, you can also consider the following products
Alert Logic Threat Manager - Alert Logic Threat Manager is a cloud-based managed intrusion detection and vulnerability assessment solution.
Barracuda Email Security Gateway - Barracuda's Email Security Gateway is a powerful antivirus filter specifically designed to identify and eliminate email-borne threats, stopping hazards before they reach the network.
Sophos UTM - Sophos UTM integrates complete security software within a single appliance.
Cisco Email Security - Cisco Email Security protects against ransomware, business email compromise, spoofing, and phishing.
Area 1 Security - Area 1 identifies and prevents advanced socially engineered attacks before they impact your enterprise.
Security Gateway - The UniFi® Security Gateway extends the UniFi Enterprise System to provide cost-effective, reliable routing and advanced security for your network.