Direct answer
Export the audience with subscription statuses, exclude unsubscribed and already-cleaned contacts, deduplicate and verify the remaining sendable addresses. Preserve original segmentation fields.
More questions and answers
What does cleaned mean in Mailchimp?
In Mailchimp, cleaned contacts are addresses associated with hard bounces or repeated soft bounces. It is not the same as an outside service verifying an entire list before upload.
How do I clean a Brevo contact list?
Export contacts and blocklist statuses, retain those exclusions, run verification on eligible email addresses and import statuses carefully without reactivating blocked contacts.
How do I check a MailerLite subscriber CSV?
Export active and excluded statuses separately, deduplicate, verify authorised active addresses and import only the eligible clean segment.
How do I clean a Constant Contact list before sending?
Preserve unsubscribe and bounce records first, then verify the remaining sendable CSV. Match results back to contact IDs before updating the list.
How do I clean an ActiveCampaign export?
Export the desired list with its subscription fields, deduplicate by address and verify only marketable contacts. Keep a record of excluded statuses.
How do I remove invalid emails from a Klaviyo list?
Review suppressed profiles and consent first, then run verification on eligible contacts. Do not re-add globally suppressed profiles through a cleaned CSV import.
How do I check an email list before a newsletter launch?
Deduplicate, remove prior bounces and opt-outs, verify current addresses, review uncertain statuses, and test the campaign on a small authorised segment.
Can I export only good emails from a verified list?
If the verifier provides status exports, filter to the category appropriate for your risk policy and keep separate invalid, risky and suppression records for reference.