Claim & start
Verify emails, remove risk contacts and warm up sender reputation with one marketing-friendly platform.
Start with 1,000 successful verifications every month.
Or test a single address with our email verifier
10X
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10X
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1.000
Or test a single address with our email verifier
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4.5
1,000 free monthly validations
Successful verifications
Successful verifications
Successful verifications
Successful verifications
Successful verifications
Successful verifications
Basic syntax & normalization
We trim spaces, convert domains to lowercase and punycode, and reject malformed addresses, like missing @ symbols or invalid TLDs and other frequent mistakes.
Validate typos
Our system compares domains against popular providers (like gmail.com and outlook.com) to spot and fix subtle errors.
Validate disposable emails
We block throwaway emails We check addresses against an always-updated disposable email list and flag suspicious domains, like newly registered or “temp mail” providers.
Check mail servers
Our system looks up mail server (MX) records and tests connections to ensure the domain can accept messages.
Detect catch-all
We identify domains that accept any email address (even fake ones), so you can avoid risky sends and hard bounces.
Basic syntax & normalization
We trim spaces, convert domains to lowercase and punycode, and reject malformed addresses, like missing @ symbols or invalid TLDs and other frequent mistakes.
Validate typos
Our system compares domains against popular providers (like gmail.com and outlook.com) to spot and fix subtle errors.
Validate disposable emails
We block throwaway emails We check addresses against an always-updated disposable email list and flag suspicious domains, like newly registered or “temp mail” providers.
Check mail servers
Our system looks up mail server (MX) records and tests connections to ensure the domain can accept messages.
Detect catch-all
We identify domains that accept any email address (even fake ones), so you can avoid risky sends and hard bounces.
Delivery Optimizer helps you improve inbox placement by establishing a stable and consistent sending setup. You’ll configure key sending parameters so your email activity aligns with common inbox provider expectations and avoids unnecessary delivery issues.
Check the most Frequently Asked Questions
Do Google's sender requirements apply to Google Workspace recipients?
What happens if I don't comply with Google's bulk sender guidelines?
Do Google's bulk sender guidelines apply to cold email?
What is the spam rate limit for Gmail bulk senders?
What are Google's bulk sender requirements in 2026?
What are Google's bulk sender requirements in 2026?
When should I upgrade from a free to a paid email verification plan?
What does a free email verification tool actually check?