Live Validation

Clean Your Email List

Verify syntax and check domain health (MX records) instantly. Maximize your deliverability by removing bad emails free.

Input List

One per line

Analysis Report

Total: 0
0
Valid
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Invalid

Results will appear here...

What is Bulk Email Validation?

Email Validation is the process of verifying if an email address is valid, deliverable, and safe to send to. Our tool performs checks in real-time without sending an actual email to the recipient (using "ping" techniques).

A "Bulk" validator allows you to copy-paste hundreds of emails at once. This is crucial for marketers, sales teams, and developers who need to clean their database before sending newsletters or campaigns. Sending to invalid emails ruins your **Sender Reputation** and can get you blacklisted by providers like Gmail or Outlook.

How Our Tool Works

1

Syntax Check

We check if the email follows RFC standards (e.g., has an "@" symbol, proper domain extension).

2

MX Record Lookup

We query the DNS records of the domain to ensure mail servers (MX records) exist and can accept emails.

3

Disposable Email Detection

We identify temporary or "burner" emails often used by bots or spammers.

Why Validate?

  • Lower Bounce Rates Keep your bounce rate under 2% to avoid the spam folder.
  • Save Money Don't pay your Email Service Provider (ESP) for dead subscribers.
  • Higher ROI Reach real people who actually engage with your content.

Frequently Asked Questions

How many emails can I check at once?
You can check hundreds of emails at once. Just paste your list in the box. For very large lists (10k+), we recommend breaking them into smaller chunks for faster processing.
Is this tool free?
Yes, TolyBox Email Validator is 100% free. We do not charge credits per verification like other services (ZeroBounce, NeverBounce) do.
Does it detect Disposable emails?
Yes, our MX record check helps identify domains that are known temporary mail providers.
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