Attic M365 FREE vs MX Layer Outbound Email Filtering: Side-by-Side Comparison (2026)

Attic M365 FREE: Protects Microsoft 365 users from phishing attacks using fake login pages. built by Attic Security. Core capabilities include Real-time detection of fake Microsoft 365 login pages, Red alarm screen warning when accessing fraudulent pages, Authenticity seal display on official Microsoft 365 login pages..

MX Layer Outbound Email Filtering: Outbound email filtering platform for spam prevention and IP reputation mgmt. built by MX Layer. Core capabilities include Outbound email scanning for viruses, malware, and spam, Compromised account detection and blocking, Content scanning for policy and regulatory compliance..

Both serve the Anti-Phishing market but differ in approach, feature depth, and target audience.

Attic M365 FREE differentiates with Real-time detection of fake Microsoft 365 login pages, Red alarm screen warning when accessing fraudulent pages, Authenticity seal display on official Microsoft 365 login pages. MX Layer Outbound Email Filtering differentiates with Outbound email scanning for viruses, malware, and spam, Compromised account detection and blocking, Content scanning for policy and regulatory compliance.

Attic M365 FREE is developed by Attic Security. MX Layer Outbound Email Filtering is developed by MX Layer. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Attic M365 FREE and MX Layer Outbound Email Filtering serve similar Anti-Phishing use cases. Review the feature comparison above to determine which fits your requirements.