Email Security Test by ImmuniWeb vs Intruder XSS Scanner: side-by-side comparison (2026)

Email Security Test by ImmuniWeb: A free online tool that tests email server security by evaluating server configurations. Built by ImmuniWeb.

Intruder XSS Scanner: XSS vulnerability scanner for web apps and APIs with automated scanning. Built by Intruder.

The table above shows where their features, integrations, deployment and company size fit differ.

Email Security Test by ImmuniWeb is made by ImmuniWeb. Intruder XSS Scanner is made by Intruder. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. Email Security Test by ImmuniWeb and Intruder XSS Scanner are both Security Scanning products. Key differences: Email Security Test by ImmuniWeb is Free while Intruder XSS Scanner is Commercial. Use the table above to see where features, deployment and company size fit differ.