Real-Time SMTP Verification
Connect to mail servers to verify email deliverability and mailbox existence without sending actual emails to recipients
Our advanced bulk email verifier processes thousands of email addresses in minutes, ensuring your campaigns reach real inboxes. Clean your lists with 99% accuracy and boost your sender reputation while reducing bounce rates.
$0.0036 per email
Your free $5 credit covers 1,388 validations
Our email verification system uses a multi-layer validation process to ensure maximum accuracy. Every email address goes through 17+ verification checks including syntax validation, domain verification, MX record lookups, and SMTP authentication to confirm deliverability.
Connect to mail servers to verify email deliverability and mailbox existence without sending actual emails to recipients
Process up to 100,000 emails simultaneously with lightning-fast verification speeds averaging 10,000 emails per minute
Identify disposable emails, role accounts (info@, support@), and catch-all domains to protect your sender reputation score
Seamlessly integrate email validation into your applications with our developer-friendly API and documentation
Every email address submitted to our bulk email verifier undergoes multiple validation layers to ensure the highest accuracy rates in the industry.
Verifies emails follow RFC compliant format standards, checking for invalid characters, proper structure, and correct placement of @ symbol and domain components.
Confirms the domain exists, is active, and has valid MX records configured to receive emails. Identifies parked or inactive domains instantly.
Connects directly to mail servers using SMTP protocol to verify the specific mailbox exists and can receive messages without sending test emails.
Identifies temporary email addresses from services like 10minutemail, Guerrilla Mail, and thousands of other disposable email providers.
Flags generic email addresses like info@, support@, admin@, sales@ that typically have lower engagement rates and are shared inboxes.
Detects domains configured to accept all emails regardless of mailbox existence, which can inflate your list with invalid addresses.
Start with 1,388 free email verifications. Get detailed validation results in minutes.
Start Verifying Now - $5 Free CreditOur bulk email verifier returns comprehensive validation data for each email address. Here's what you'll receive in your downloadable results:
| Email Address | Status | Deliverability | Details |
|---|---|---|---|
| [email protected] | Valid | High (95%) | SMTP verified, active mailbox |
| [email protected] | Risky | Medium (62%) | Role-based account |
| [email protected] | Invalid | Low (5%) | Domain does not exist |
| [email protected] | Invalid | Low (8%) | Disposable email detected |
| [email protected] | Valid | High (92%) | SMTP verified, MX records valid |
| [email protected] | Risky | Medium (55%) | Catch-all domain detected |
Email verification is essential for maintaining sender reputation, reducing costs, and improving campaign performance. Here's how businesses use our bulk email verifier:
Reduce bounce rates from 15-20% down to under 2% and improve deliverability by removing invalid emails before sending newsletters, promotional campaigns, and automated sequences. Protect your sender reputation with major email providers like Gmail, Outlook, and Yahoo.
Verify prospect email addresses scraped from websites or purchased from lead generation services to ensure your sales team contacts legitimate leads. Increase conversion rates by focusing outreach on valid, deliverable email addresses instead of wasting time on invalid contacts.
Prevent fake signups and improve user data quality by validating emails during account creation processes. Reduce customer support tickets related to login issues caused by typos and ensure you can reach new users with onboarding communications.
Regular cleanup of existing customer databases to maintain sender reputation, comply with email marketing regulations, and reduce costs on email service provider plans that charge based on list size. Remove inactive and invalid addresses accumulated over time.
Lower your bounce rate from industry average of 15-20% down to under 2%, protecting your sender reputation and ensuring more emails reach the inbox.
Most email service providers charge based on list size or emails sent. Remove invalid addresses to reduce costs by 15-30% on your email marketing expenses.
Maintain a clean email list to improve inbox placement rates. Email providers like Gmail and Outlook reward senders with low bounce rates and high engagement.
High bounce rates and spam complaints damage your domain reputation. Our verifier identifies spam traps and invalid addresses before you send, protecting your sender score.
Focus your marketing efforts on real, deliverable email addresses to improve open rates, click-through rates, and ultimately conversion rates on your campaigns.
Maintain compliance with CAN-SPAM, GDPR, and other email regulations by ensuring you're only sending to valid, opted-in email addresses with proper list hygiene.
Our bulk email verifier maintains 99% accuracy through multi-layer verification including syntax validation, domain checks, MX record verification, and real-time SMTP authentication. We connect directly to mail servers to confirm mailbox existence without sending actual emails.
You can verify up to 100,000 emails per batch upload. Our system processes approximately 10,000 emails per minute, so even large lists are verified quickly. For larger enterprise needs, contact us for custom solutions.
We accept CSV and TXT file formats for bulk email verification. You can also paste email addresses directly into our interface or use our RESTful API to integrate verification into your applications and workflows programmatically.
No. Our verification process uses SMTP protocol checks that confirm mailbox existence without sending any emails to the recipients. The verification is completely invisible to the email address owners.
Our bulk email verifier integrates seamlessly with your existing workflows and tools through multiple methods:
Upload CSV or TXT files directly through our user-friendly dashboard. Perfect for one-time verifications or periodic list cleaning without technical setup.
Integrate email verification directly into your applications, CRM systems, or signup forms using our comprehensive API with detailed documentation and code examples.