Kickbox

Kickbox provides email verification services to help improve deliverability by checking email address validity.

Disclosed by 4 companies

beehiiv
Email validation

“Email validation” source · observed Jul 23, 2026
Kit
Email and office application

“Kickbox Email and office application USA” source · observed Jul 23, 2026
publer.com
Email address verification and fraud prevention

“Email address verification and fraud prevention” source · observed Jul 23, 2026
smint.io
validating email addresses

“We use Kickbox to validate email addresses of users who register with our Smint.io Portals and Content Buying Portal services.” source · observed Jul 30, 2026