Free Email Checker & Validator
Verify email addresses in real-time with 99.7% accurate SMTP validation.
Real-Time Email Verification
Direct live checking against mailservers. No cached data.
99.7% Accuracy
A deep cleaning SMTP handshake provides the highest accuracy.
Mailbox Enrichment
Detects disposables, catch-alls, and free email providers instantly.
Secure & Private
256-bit SSL encryption. We never sell your data.
Why Validate Emails?
Sending to invalid addresses ruins your sender reputation. High bounce rates signal to ISPs (like Gmail) that you are a spammer, causing your actual emails to land in the Junk folder.
Our free tool prevents this by:
- Lowering your Bounce Rate instantly.
- Protecting your IP Reputation.
- Saving money on ESP fees (don't pay for ghosts).
How It Works
We don't just check for typos. We perform a real-time SMTP Handshake with the recipient's mail server to confirm the user exists.
- Smart Syntax Validator Flags format errors and fixes common typos like "gnail.com" or "outlook.con" instantly.
- MX Record Analysis: Confirms the domain has valid mail servers capable of receiving messages to prevent hard bounces.
- Real-Time Verification: Connects to mail servers instantly to confirm the user actually exists.
- Disposable Email Detector: Blocks burner addresses, fake emails, and risky role-based accounts.
Understanding Verification Results
Every email verification returns one of three statuses. Understanding these helps you make informed decisions about your email list.
The email address passed all validation tests and the mailbox exists on the mail server.
mailbox_existsThe email is invalid and will hard bounce. Remove it from your list immediately.
mailbox_does_not_exist Mailbox doesn't existmailbox_full Mailbox is fullinvalid_syntax Invalid email formatdomain_does_not_exist Domain has no DNSmxserver_does_not_exist No mail server foundThe result is inconclusive. The server couldn't confirm or deny the address.
is_catchall Domain accepts all emailsis_greylisting Server uses greylistinginconclusive Temporary error - retry laterEmail Intelligence & Enrichment
Beyond simple pass/fail, our verification reveals valuable intelligence about each email address.
Burner Email Blocker
Automatically detects and blocks temporary addresses from 10MinuteMail, TempMail, and others.
Free Email Provider
Flags addresses from free providers like Gmail, Yahoo, and Outlook - useful for B2B filtering.
Role Account
Detects generic addresses like info@, admin@, and support@ that are typically managed by teams.
Gibberish Detection
Identifies randomly generated usernames like "asd8f7sd@" that indicate fake sign-ups.
MX Server Enrichment
Returns mail server IP, hostname, geographic location, ISP, and ASN information.
Typo Suggestions
Detects common typos like "gmail.con" and suggests the correct domain "gmail.com".
Who Uses Email Verification?
Email Marketers
Clean your lists before campaigns to maximize deliverability, protect sender reputation, and reduce ESP costs.
Cold Outreach Teams
Verify prospect emails before sending to avoid bounces that damage your domain reputation.
Developers & SaaS
Integrate via API to validate emails at sign-up, preventing fake accounts and reducing trial fraud.
CRM Administrators
Maintain database hygiene by regularly cleaning contact records and removing dead leads.
Frequently Asked Questions
Is this tool really free?
Yes, our free email checker allows you to check up to 10 email addresses per day without creating an account or entering credit card details.
How accurate is the verification?
Our real-time verification methods deliver 99.7% accuracy by connecting directly to SMTP servers. We don't rely on outdated stale data lists.
Do you send an email to the user?
No. We perform a "silent" SMTP handshake. We connect to the server, ask if the user exists, and disconnect before sending any message.
Can I verify a list of emails?
Yes, for bulk verification, please create a free account. You can upload CSV spreadsheets to easily verify millions of emails.
What is a disposable email?
A disposable email is a temporary address from services like Temp Mail or 10MinuteMail. These addresses expire quickly and are often used to avoid spam or bypass sign-up requirements. Our tool detects and flags them.
What is a catch-all email?
A catch-all domain accepts all emails sent to any address at that domain, even if the mailbox doesn't exist. This makes verification inconclusive - we mark these as "Unknown" to protect your sender reputation.
How do I reduce my email bounce rate?
Remove invalid emails before sending. Use our email verification tool to identify mailboxes that don't exist, full mailboxes, and invalid domains. Industry best practice is to keep bounce rates below 2%.
What is email list hygiene?
Email list hygiene is the practice of regularly cleaning your email list by removing invalid, inactive, and risky addresses. This protects your sender reputation, improves deliverability, and reduces costs.
What is a free email provider?
A free email provider is a service like Gmail, Yahoo, or Outlook that offers free email accounts. For B2B campaigns, you may want to filter these out and target only corporate/business email domains.
What is a role account email?
Role accounts are generic email addresses like info@, support@, sales@, or admin@ that are typically managed by teams rather than individuals. These often have lower engagement rates and higher complaint rates.
What is a gibberish email?
A gibberish email contains a randomly generated username like "asd8f7sd@" or "xkjh2398@". These are often created by bots or users trying to bypass sign-up forms. Our tool detects these patterns automatically.
What is an offensive email?
An offensive email contains profanity, slurs, or inappropriate language in the username. Our tool flags these to help you maintain a professional contact list and avoid sending to potentially problematic addresses. In the real world, this is often a strong indicator of low lead quality.
How do I verify an email address without sending it?
You can verify an email without sending by using an SMTP handshake tool like Bulk Email Checker. We connect to the mail server, confirm the user exists, and disconnect before any message is sent.
Is there a truly free email verifier?
Yes, Bulk Email Checker allows you to verify emails for free daily with no credit card required. It uses the same enterprise-grade accuracy as our paid plans.
Can I check if a Gmail account exists?
Yes, our tool connects directly to Google's servers to validate if a specific Gmail address is active, disabled, or non-existent.
Ready to Verify Thousands of Emails?
Create a free account to upload CSV files and clean your entire email list in minutes.