📧 Email Verifier
Validate bulk email addresses instantly with advanced verification
🔄 Live Verification Progress
Verification Results
❓ Frequently Asked Questions
What is email verification?
Email verification is the process of checking whether an email address is valid, deliverable, and safe to use. Our tool validates email format, checks domain existence, verifies MX records, and detects disposable or risky email addresses.
How accurate is the email verification?
Our email verifier uses advanced validation techniques including DNS checks, MX record verification, and domain reputation analysis. The accuracy rate is typically 95-98% for determining whether an email address exists and can receive messages.
What are the rate limits?
For visitors (not logged in), you can verify up to 50 email addresses every 20 seconds. Registered users can verify up to 1000 email addresses every 10 seconds. These limits help ensure fair usage and optimal performance for all users.
What email formats are supported?
You can enter emails in multiple formats: simple email addresses (user@example.com), email:password combinations (user@example.com:password123), or mixed formats. Our tool automatically extracts the email address from each line.
What do the validation results mean?
Valid (Deliverable): The email address is valid and can receive messages. Invalid (Undeliverable): The email address does not exist or cannot receive messages. Risky: The email may be valid but has risk factors such as being a disposable address, catch-all domain, or having other deliverability concerns.
Can I export the verification results?
Yes! You can download your verification results in multiple ways: "Download Valid" exports only valid emails, "Download Risky" exports only risky emails, "Download Valid + Risky" exports both in one file, and "Download All" exports all verified emails. Results are provided in plain text format (one email per line) for easy import into other tools.
Is my data secure and private?
Yes, we take privacy seriously. Email addresses are only used for verification purposes. Verification results are cached for 30 days to improve performance and reduce costs, but we do not share, sell, or use your email lists for any other purpose.
Why should I verify email addresses?
Email verification helps you: (1) Reduce bounce rates and improve email deliverability, (2) Protect your sender reputation, (3) Save money on email marketing costs, (4) Avoid spam traps and disposable emails, (5) Maintain a clean and engaged email list, (6) Improve your email campaign performance and ROI.
What do the email quality scores mean?
Each verified email receives a quality score from 0 to 100 based on multiple validation factors including email format, domain reputation, MX records, SMTP verification, and deliverability indicators. Higher scores indicate better email quality and higher likelihood of successful delivery.
🟢 90-100 (Excellent): Highly deliverable emails with verified SMTP, valid MX records, and excellent domain reputation. These emails are safe to use and will almost certainly reach the inbox.
🟢 80-89 (Very Good): Deliverable emails with good validation results. These emails have valid format, working MX records, and acceptable domain reputation. Safe for most use cases.
🟠 60-79 (Good): Likely deliverable emails that passed basic validation but may have minor concerns such as being from free providers (Gmail, Yahoo) or catch-all domains. Generally safe but monitor bounce rates.
🔴 40-59 (Fair/Risky): Emails with risk factors such as disposable domains, questionable reputation, or incomplete validation. Use with caution as these may have higher bounce rates or deliverability issues.
⚫ 0-39 (Poor): Likely undeliverable emails with invalid format, non-existent domains, missing MX records, or failed SMTP verification. Not recommended for use as they will likely bounce or be rejected.
💡 Pro Tip: For email marketing campaigns, we recommend using only emails with scores of 70 or higher to maintain good sender reputation and maximize deliverability. Emails scoring below 40 should be removed from your list immediately.
Why does an email show Score 100 but marked as Risky?
This is actually smart behavior from our verification system! An email can have a perfect technical score (100) while still being marked as "Risky" due to specific deliverability concerns. Here's why:
Example: user@yahoo.com - Score 100 ⚠ Risky
Why Score 100? Perfect email format ✓ Domain exists ✓ MX records valid ✓ SMTP server responds ✓ Not on blocklists ✓
Why Risky? Yahoo.com is a "catch-all" domain that accepts mail for ANY username. We cannot verify if this specific mailbox actually exists, so it may bounce even with a perfect score.
Common reasons for Score 100 + Risky:
- Catch-All Domains: Server accepts all emails but specific mailbox may not exist (Yahoo, some corporate domains)
- Role Accounts: Generic addresses like support@, admin@, info@ that may not be monitored
- Greylisting: Server temporarily defers messages for spam prevention
- Privacy Protection: Domain blocks SMTP verification while having valid MX records
Compare: verified@gmail.com - Score 100 ✓ Valid
This email passed SMTP verification AND we confirmed the specific mailbox exists. It's truly deliverable!
How should I interpret Score + Result combinations?
The score and result work together to give you a complete picture. Here's how to interpret different combinations:
| Score | Result | Meaning | Recommendation |
|---|---|---|---|
| 90-100 | ✓ Valid | Perfect score + mailbox verified | ✓ Safe to use |
| 90-100 | ⚠ Risky | Perfect technical score but catch-all/unverifiable | ⚠ Use with caution |
| 70-89 | ✓ Valid | Good score + deliverable | ✓ Safe to use |
| 40-69 | ⚠ Risky | Moderate score with risk factors | ⚠ Monitor closely |
| 0-69 | ✗ Invalid | Failed validation checks | ✗ Don't use |
💡 Best Practice: For important email campaigns, use only emails with Score 80+ AND "Valid" result. For Score 100 + "Risky" emails, test with small batches first to check actual deliverability before sending to your entire list.
What factors determine the email score?
Our verification system evaluates emails across multiple dimensions to calculate the final score from 0 to 100:
📧 Email Format (0-10 points)
Valid RFC 5322 format, proper structure, no invalid characters
🌐 Domain Validity (0-20 points)
Domain exists, active DNS records, not reserved or parked
📮 MX Records (0-20 points)
Mail exchange records found, servers responding, proper priority
✉️ SMTP Verification (0-30 points)
SMTP server responds, mailbox exists and accepts mail (highest weight)
🛡️ Domain Reputation (0-20 points)
Not on blocklists, not disposable, good sender history, no spam reports
⚠️ Important: A high score means the email passed technical checks, but "Risky" status indicates we couldn't verify the specific mailbox exists. Always consider both score AND result when making decisions.