test email check

testing
stdClass Object ( [type] => https://mailchimp.com/developer/marketing/docs/errors/ [title] => API Key Invalid [status] => 401 [detail] => Your API key may be invalid, or you've attempted to access the wrong datacenter. [instance] => 5fe804ac-96de-4a82-6430-9fbd219fc9b7 ) mail sent

This is test page