Before it enters the sequence

Know if it’s worth sending before it costs you a bounce.

One address. A real SMTP mailbox probe. A status you can defend in a standup — Valid, Invalid, Risky, or Unknown — plus why.

Start free Try a live check

Live Verify page: one email, paste a list, or upload — One address or a file — then a reason you can act on.

Live verification report: Safe to Send, score 100, mailbox confirmed — When the mailbox accepts, we say Valid. Not an inbox-placement guarantee.

Use it on a lead before you personalize the opener. Typo on the domain? We suggest a correction when it looks mistyped. Unknown? Timeout or greylist — that credit comes back.

Why this classification exists · Pricing · Evidence on Trust