<span style="font-size: 12pt;">Hi {contact_firstname} {contact_lastname}</span><br /><br /><span style="font-size: 12pt;">This is an overdue notice for invoice <strong># {invoice_number}</strong></span><br /><br /><span style="font-size: 12pt;">This invoice was due: {invoice_duedate}</span><br /><br /><span style="font-size: 12pt;">You can view the invoice on the following link: <a href="{invoice_link}">{invoice_number}</a></span><br /><br /><span style="font-size: 12pt;">Kind Regards,</span><br /><span style="font-size: 12pt;">{email_signature}</span>