# Email Intelligence

### About service

Email Intelligence is an **email fraud detection** check. It scores the fraud risk of a customer’s email address using reputation and threat signals.

Use it to reduce sign-up abuse and improve **KYC onboarding** quality. It also helps stop customers using disposable or breached email addresses.

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[Learn about the Email Intelligence Checks API.](https://app.gitbook.com/s/kAhgmUKSf8CFUFVL3GEe/check-types/email-intelligence-check)
{% endhint %}

### Common use cases

Use Email Intelligence anywhere an email address is a key identifier:

* **KYC onboarding and account opening**: Flag high-risk emails before running identity checks.
* **New account and sign-up fraud**: Stop disposable emails and mass-created accounts.
* **Account takeover (ATO)**: Treat sudden email changes or risky emails as a step-up signal.
* **Promo and referral abuse**: Detect disposable email reuse across promotions.

### Analysis performed

The check runs an **email verification** and **email reputation** assessment. It combines multiple indicators to produce an overall fraud risk score.

**Detailed verification checks**

<table><thead><tr><th width="204.53515625">Analysis</th><th>Verifications Performed</th></tr></thead><tbody><tr><td><strong>Risk Analysis</strong></td><td><ul><li><strong>Risk level analysis</strong>: Assigns a fraud risk score based on patterns linked to suspicious or malicious activity.</li><li><strong>Data leak analysis</strong>: Checks whether the email has appeared in known data breaches or leak databases.</li><li><strong>Disposable email</strong>: Detects if the email is temporary or from a disposable email provider.</li><li><strong>Format analysis</strong>: Confirms the email address is syntactically valid and follows correct formatting standards.</li><li><strong>Domain validity</strong>: Verifies that the domain exists and is active.</li></ul></td></tr></tbody></table>

### Check duration

An Email Intelligence Check takes an average of **2 seconds** to complete.

### Related checks

Combine Email Intelligence with other fraud intelligence signals:

* [Device Intelligence](https://docs.complycube.com/documentation/product-guides/digital-fraud-intelligence/device-intelligence-check) for session-level device and network risk signals, including VPN/proxy usage, emulators, rooted/jailbroken devices, and automation.
* [Mobile Intelligence](https://docs.complycube.com/documentation/product-guides/digital-fraud-intelligence/mobile-intelligence-check) for phone number risk scoring and reputation signals.

### Related topics <a href="#related-topics" id="related-topics"></a>

Use these to integrate Email Intelligence within a broader KYC and fraud decision flow:

* [Workflows](https://docs.complycube.com/documentation/product-guides/compliance-studio/workflows) to orchestrate Email Intelligence as a step in onboarding.
* [Compliance Policies](https://docs.complycube.com/documentation/product-guides/compliance-studio/policies) to apply consistent rules using the returned risk signals.
* [Advanced Case Management](https://docs.complycube.com/documentation/product-guides/due-diligence-tools/advanced-case-management) to review edge cases and keep audit-ready decisions.