Kickbox

Email address validation

Check a domain's SPF, DKIM, DMARC and MX with a graded shareable report

Email for AI agents: programmatic inbox creation and send/receive over JMAP

Disposable inboxes for automated email testing, with OTP extraction

Validate email addresses, phone numbers, VAT numbers and domain names

Classify email domains as disposable, free, alias, testing or parked to block fake signups