# Lead List Email Domain Check

**Use case:** 

Check B2B lead emails for valid syntax, MX records, and disposable domains before importing contacts into CRM or outreach tools.

## Input

```json
{
  "emails": [
    "sales@stripe.com",
    "hello@shopify.com",
    "support@salesforce.com",
    "demo@example.invalid"
  ],
  "verifySmtp": false,
  "smtpTimeoutSecs": 5,
  "concurrency": 50
}
```

## Output

```json
{
  "email": {
    "label": "Email"
  },
  "isValid": {
    "label": "Valid"
  },
  "riskLevel": {
    "label": "Risk"
  },
  "isDisposable": {
    "label": "Disposable"
  },
  "hasMxRecords": {
    "label": "Has MX"
  },
  "mxProvider": {
    "label": "Email Provider"
  },
  "smtpVerified": {
    "label": "SMTP Verified"
  },
  "error": {
    "label": "Error"
  }
}
```

## About this Actor

This example demonstrates how to use [Bulk Email MX Verifier — Cold Email List Cleaner](https://apify.com/automation-lab/email-mx-verifier) with a specific input configuration. Visit the [Actor detail page](https://apify.com/automation-lab/email-mx-verifier) to learn more, explore other use cases, and run it yourself.