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Educational and ethical use only. Only test systems you own or are explicitly authorized to test. Full disclaimer.

Email Leak Tests

Tests whether your email client or webmail service leaks your real IP address in email headers when sending messages.

opsec
Official docs ↗

Platforms: Web · Last verified September 7, 2026

Tests whether your email client or webmail service leaks your real IP address in email headers when sending messages.

Only use this tool against systems you own or are explicitly authorized to test — see the disclaimer.

Getting started

Best for: Verifying email IP privacy, testing anonymous email service configurations. See the official site linked above for details.