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Resources

Resources. For cleaner sending.

Guides, integrations, security, and product updates.

Start here

  1. 01GuidesRead results, handle catch-all domains, and keep lists healthy.
  2. 02BlogNotes on email verification and list hygiene.
  3. 03ChangelogWhat changed in the product.
  4. 04IntegrationsSendGrid, Mailgun, Postmark, Amazon SES, CSV, and the API.
  5. 05API referenceEvery endpoint, with request and response shapes.
  6. 06SecurityHow we protect your lists and results.

Guides

  1. 01Reading resultsLearn what each category means, and when to keep, review, or remove an address.
  2. 02Catch-all domainsA catch-all domain accepts mail for any address, so a check cannot confirm the mailbox. Learn how severity tiers help you decide.
  3. 03List hygieneRe-check old addresses, suppress bounces, and track list quality over time.

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