15 Best Practices for Protecting Your Email with Security Gateway vs AegisAI Agentic Email Security: Side-by-Side Comparison (2026)

15 Best Practices for Protecting Your Email with Security Gateway

Security leaders evaluating email gateway deployments for the first time will find actual tactical value here instead of vendor marketing; this guide cuts through the noise by naming which controls stop phishing versus which are theater. The 15 practices map directly to NIST CSF 2.0 Protect functions, with emphasis on authentication and filtering configurations that measurably reduce compromise. Skip this if your team already runs a mature email security program with established policies; the guide targets organizations still building foundational email defenses.

AegisAI Agentic Email Security

Security teams at mid-market and enterprise companies drowning in phishing false positives should evaluate AegisAI Agentic Email Security for its AI agent-based triage, which actually reduces analyst workload instead of just flagging more threats. The platform deploys without MX record changes and covers both spear phishing and BEC detection, meaning you get real detection improvements without infrastructure rework. Skip this if your organization needs endpoint detection or incident response capabilities beyond email; AegisAI is deliberately email-focused and won't replace your broader threat stack.