Bulk verification
Upload CSVs and validate at scale with safe throttling.
We combine syntax checks, domain health, and live mailbox validation.
Catch typos and malformed addresses before you send.
Verify MX records, catch-all behavior, and disposable providers.
Non-intrusive mailbox checks to confirm if an inbox exists.
Risk score and reasons so you can filter or fix confidently.
Upload CSVs and validate at scale with safe throttling.
Flag role accounts and temporary inboxes before they skew metrics.
Observe list quality by source, domain, and risk level.