Sc_email_send nao consigo fazer funcionar

Nao consigo usar macro “sc_email_send”

// Email parameters
$mail_smtp_server = ‘mail.xyz.myscriptcase.com’; // SMTP server name or IP address
$mail_smtp_user = ‘system@xyz.myscriptcase.com’; // SMTP user name
$mail_smtp_pass = ‘********’; // SMTP password
$mail_from = ‘system@xyz.myscriptcase.com’; // From email
$mail_to = ‘abc@gmail.com’; // To email
$mail_subject = ‘Assunto’; // Message subject
$mail_message = ‘Mensagem’; // Message body
$mail_format = ‘T’; // Message format: (T)ext or (H)tml

// Send email
sc_mail_send($mail_smtp_server, $mail_smtp_user, $mail_smtp_pass, $mail_from, $mail_to, $mail_subject, $mail_message, $mail_format, ‘’, ‘’, ‘465’, ‘S’);

Nao envia, Alguem saberia o que ainda estou fazendo de errado, ja troquei para uma conta gmail e mesma coisa nao funciona. Ja testeis no Cliente de email as duas contas funciona.

HELP