free tool · no signup · nothing stored
Score your cold list before it burns your domain.
Paste up to 200 addresses. Sluice routes each one into a campaign action — send, suppress, review, or recheck — instead of a vague "valid/invalid" guess.
free tool · no signup · nothing stored
Paste up to 200 addresses. Sluice routes each one into a campaign action — send, suppress, review, or recheck — instead of a vague "valid/invalid" guess.