Check in this order
- 1
Connection
Settings → MailChimp shows Connected and the audience name. Reconnect if it shows expired.
- 2
Audience
You may have picked a different audience than the one you are looking at in Mailchimp.
- 3
Customer status
Only Active customers with an email sync. Pending, Inactive, and customers without email are skipped.
- 4
Opt-outs and bounces
Contacts on Message Center → Settings → Opt-outs, and addresses Mailchimp itself has unsubscribed or bounced, are not re-added.
- 5
Mailchimp-side holds
An audience under Mailchimp compliance review rejects new contacts; resolve it in Mailchimp.
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Include your business name, account email, what you were trying to do, what happened instead, and a screenshot if possible. For billing, sync, or login issues, include the exact error message if shown.