Array
(
    [0] => <strong>Unable to send to: barbara.valentini@li8berty-int.com: SMTP Error: The following recipients failed: barbara.valentini@li8berty-int.com: 5.1.10 tOLAvo0VJ5gYjtOLAv4sSr li8berty-int.com dominio non valido / invalid destination domain
</strong><br />

)