Free Email Checker Tool

Clean lists enable better segmentation, higher open and click rates, and improved overall deliverability.

Email verification is valuable in marketing, sales, e-commerce, finance, agencies, and other industries that rely on email as a critical communication channel. Each segment benefits by reducing errors, protecting reputation, and driving better results.

Sales and marketing teams can validate leads before outreach, avoiding wasted effort with invalid addresses. This ensures that both commercial and marketing campaigns focus only on real opportunities, saving time and increasing conversion rates.

Validation can be embedded directly into registration and onboarding steps through the SafetyMails Email Checker API. This allows you to check each address in real time as users type, blocking disposable, fake or risky emails before they enter your CRM.
For ongoing list hygiene, you can also run recurring bulk email verifications: upload or integrate your email lists regularly (monthly or before large campaigns) to ensure your database stays clean and updated. This combination of real-time API + scheduled bulk checks keeps your communication consistent and your sender reputation protected.

We recommend validating emails regularly, especially before major campaigns, and using the Email Checker API on forms for continuous prevention.

Yes. The email checker is ideal for cleaning and refreshing outdated or inactive lists, removing invalid entries

Yes. Validating emails before sending abandoned cart notifications ensures messages are delivered and increases conversion chances.

Our API validates emails instantly as the user types in the form. It’s easy to integrate, responds quickly, and protects your database from the start.

Yes. By validating emails at signup or registration, the tool blocks fake, abusive, or disposable addresses from entering your system.

Sending to invalid addresses increases your bounce rate, damages your sender reputation, and may even land your campaigns in the spam folder. Just 3% of invalid emails in your list can already compromise the entire campaign and seriously harm your domain reputation. That’s why it’s critical to validate your list before sending.

With our email verifier, you can validate up to 100 emails for free after creating your SafetyMails account. This allows you to test all features before purchasing credits.

SafetyMails uses a credit system: each verification consumes one credit. You can buy packages according to the size of your list, with no mandatory subscription.

No. Your list is handled with complete confidentiality and security. All data is encrypted and never shared with third parties, fully compliant with GDPR/LGPD.

The time depends on the list size, but our system is optimized to validate thousands of emails in just a few minutes. You can monitor progress in real time via the dashboard.

Each email receives a status, such as:

• Valid: safe to send
• Invalid: does not exist
• Temporary: disposable email address
• Catch-all: domain accepts all emails but does not guarantee delivery
• Spamtrap suspected: avoid sending to this address
• Role account: generic emails like info@, sales@ You can filter and export the results easily.

Yes. We follow strict data protection practices and operate fully in line with GDPR and LGPD.

We offer direct integrations with tools like Mailchimp, Brevo, SendGrid, GetResponse, and others. Just connect your account and import/export lists in a few clicks.

Yes! Our support team is available in Portuguese, English, and Spanish via chat, email, or WhatsApp.

Our system detects and suggests automatic corrections for common domain typos (e.g., gmal.com → gmail.com). You just need to review and approve the corrections in your report.

It’s a domain that accepts any email address, even if a real mailbox does not exist. Sending to these domains can be risky because delivery is not always guaranteed.

Use our real-time verification API on your forms. It automatically blocks disposable and temporary emails at the time of registration.

Our API validates emails instantly as the user types in the form. It’s easy to integrate, responds quickly, and protects your database from the start.

Yes. The validation process detects and blocks temporary domains, fake emails, and addresses created to bypass registration systems. This significantly reduces the risk of fraud, abusive sign-ups, and malicious access, protecting both your database and your company’s reputation.