A Security vs mailspoof: side-by-side comparison (2026)
A Security is a commercial red-team & adversary emulation solution by A Security. mailspoof is a free email security platforms solution. Features, integrations, deployment and the company behind each one, side by side.
Autonomous offensive security platform that finds, validates, and remediates attack paths.
A command-line tool that analyzes SPF and DMARC records to identify domains vulnerable to email spoofing attacks.
Side-by-side comparison
Feature
A Security
mailspoof
Pricing model
Commercial
Free
Category
Red-Team & Adversary Emulation
Email Security Platforms
Deployment and fit
Deployment type
Cloud
On-Premises
Company size fit
Mid-Market, Enterprise
Startup, SMB, Mid-Market, Enterprise
Open source
GitHub stars
–
131
Last commit
–
Oct 2020
Company
Company
A Security
–
Use cases and capabilities
Attack Paths
Yes
No
Continuous Testing
Yes
No
Red Team
Yes
Yes
Vulnerability Exploitation
Yes
No
AI Pentesting
Yes
No
MITRE ATT&CK
Yes
No
Exploit Development
Yes
No
Security Validation
Yes
No
Penetration Testing Framework
Yes
No
Lateral Movement
Yes
No
OSINT
No
Yes
Spoofing
No
Yes
DMARC
No
Yes
SPF
No
Yes
Core features
9 features listed
No features listed
Integrations
1 integration listed
No integrations listed
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