Host 99 shared servers allow an account to send a total of 450 emails per hour. If you need to send more then that per hour please contact our support team for suggestions or solutions by submitting a sales ticket.
Software mailers such as phpmail or any other mass mailers are limited to 150 emails per hour. This is heavily regulated to control spam. Also review our disconnected use of PHP mail send method. SMTP or SMTPAUTH is required to send emails from any client or software including all eCommerce applications.
