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From a raw listto a safe send.
No email is sent during a check. The free plan includes 100 checks a month.
No email is sent during a check. The free plan includes 100 checks a month.
ProductEmail verification
Check one address or a whole list. Each address gets a category, a score, and the reasons, and bounces from your email platform keep your suppression list current.
Result
valid
Score
100
Action
Keep
How it works
The address is parsed and checked for typos and impossible formats.
We look up the domain and the mail servers that accept its mail.
The mail server is asked about the mailbox. Nothing is delivered.
Every signal becomes a category, a score, and reason codes.
Upload a list and it sorts itself: valid, risky, invalid, and unknown, each with a score and the reason.
Start withone addressora whole list
Delivery feedback
Connect SendGrid, Mailgun, Postmark, or Amazon SES. Bounces, complaints, and unsubscribes update your suppression list.
Integrations
Send delivery events from your email platform, move lists by CSV, and build on the REST API with Go and TypeScript SDKs.
Score 88. Safe to send: 3,812. Remove or review: 699.
Questions
No. A check reads the address format, the domain's DNS and MX records, and the answer of the mail server. Nothing is delivered to the recipient.
Each address gets a category (valid, risky, invalid, or unknown), a score from 0 to 100, a safe-to-send flag, and reason codes such as catch-all, disposable, role account, or full inbox.
No. Some mail servers accept every address or hide whether a mailbox exists. We mark these results as risky or unknown and show the reason, so you can decide.
Yes. Schedule re-checks for older addresses, keep a suppression list, and connect your email platform so bounces and complaints are suppressed automatically.
Yes. Lists, results, history, suppressions, and API keys belong to your organization, and each teammate signs in with their own account.