# Verify Any Email Address Before You Hit Send

Stop guessing. Tomba's email verifier runs 7 deep checks MX, SMTP, mailbox, catch-all, disposable, and more to guarantee deliverability and protect your sender reputation.

[Verify an email free](https://app.tomba.io/email-verifier) [Bulk verification](https://tomba.io/bulks)

## The Most Accurate Email Verifier on the Market

Tomba has the largest B2B email crawler on the web. We process billions of pages monthly so you always get the freshest, most accurate data.

- 2B+ Pages crawled monthly
- 450M+ Verified B2B emails
- 80M+ Domains indexed
- #1 Ranked in benchmark
- 81% Email coverage
- <5% Bounce rate
- <200ms API response
- 99.9% Uptime SLA
- 42M+ Tech-indexed sites
- 150K+ Professionals

### Independent 5,000-Lead Benchmark

Same input file, same conditions, every provider. Raw results, no spin.

| Tool         | Leads Verified |
|--------------|----------------|
| Tomba.io     | 4,015          |
| Anymailfinder | 3,875          |
| Findymail     | 3,757          |
| GetProspect   | 3,096          |
| Skrapp        | 2,142          |
| Hunter        | 1,882          |
| VoilaNorbert  | 1,800          |
| Snov          | 1,007          |
| Prospeo       | 846            |

## Email verifier features

### SMTP Verification

Connect directly to the mail server to confirm the mailbox exists and can receive messages the most reliable deliverability check available.

### Syntax Validation

Catch malformed addresses before they waste your credits. Validates format, characters, and structure against RFC standards.

### Domain & MX Validation

Confirm the domain is active, properly configured, and has valid MX records to accept incoming email.

### Disposable Email Detection

Identify temporary and throwaway services like Guerrilla Mail, Temp-Mail, and 500+ others. Keep fake signups out of your list.

### Mailbox Full Detection

Detect email addresses with full mailboxes that cannot receive new messages avoid wasting sends on unreachable contacts.

### Email Quality Score

Every email receives a quality score from 0 to 100 based on all verification checks combined one number, clear decision.

## Use Email Verifier everywhere you work

Browser extensions, spreadsheet add-ons, REST API, and native integrations pick what fits your workflow.

## How Email Verifier Works

Three simple steps to verify any email address and know it will deliver

1. **Enter an email address**: Paste any email address you want to verify single or bulk.
2. **7 deep verification checks run automatically**: Tomba runs format validation, domain and MX checks, SMTP verification, and more.
3. **Get a clear deliverability verdict**: Receive a detailed report with a confidence score, deliverability status, and actionable recommendations for each address.

## FAQs

### What checks does the Email Verifier perform?

Tomba performs deep verification including syntax, domain, MX, disposable, and catch-all checks.

### Can you verify catch-all emails?

Yes, Tomba can verify catch-all emails that many tools cannot.

### What is your guaranteed bounce rate?

Tomba guarantees under a 5% bounce rate or credits refunded.

### Is verification included with Email Finder?

Yes, verification is included with Email Finder.