the cold email tax
01 / 05
VERDICT.
9% of your cold email
just bounces.

every bounce teaches inbox providers to distrust your domain. nobody sends you the bill.

nobody checks
02 / 05
VERDICT.
dead mailboxes don't unsubscribe.

they sit on your list, silently burning your sender reputation.

rsmets@thetacapital.com550 5.1.1 user unknown
j@cyber.capital550 5.1.1 user unknown
matthew@sixtant.iocatch-all · untrusted
verdict
03 / 05
VERDICT.
nothing ships without a verdict.
pavel.stehno@sigilfund.comLIVE
guilhem@flowdesk.coLIVE
j@cyber.capitalDEAD

SMTP probe per mailbox · catch-all + gateway detection · suppression forever

real campaign · august 2026
04 / 05
VERDICT.
72
fund managers reached
24
dead mailboxes caught pre-send
~2%
bounce on shipped mail

one gate. zero list management. every number above is real.

the promise
05 / 05
VERDICT.
email that never bounces.
open source · MIT · self-hosted · $29/mo hosted
verdict-xi-olive.vercel.app