New features, accuracy upgrades, and fixes to the validation engine — as we ship them.
Subscribe via RSSYou can now sign in with GitHub instead of a password. Alongside it, we updated our privacy policy: a confirmed account address is now recorded in our reputation database as a hash.
Read updateWhen someone mistypes their own address, you now get the correction back — including on the misspellings that quietly accept mail and never bounce.
Read updateWe now confirm whether a specific mailbox really exists on Microsoft 365 business domains — even the catch-all ones that accept every address — so fewer dead addresses slip through as "valid".
Read updateGet 100 free validations to test our service. No credit card required.
Start free trial