Allways get a connection failure.
$mail = new PHPMailer();
$mail->IsSMTP();
$mail->SMTPDebug = 0;
$mail->Debugoutput = 'html';
$mail->Host = "smtp.zoho.com";
$mail->Port = 465;
$mail->SMTPAuth = true;
$mail->SMTPSecure = 'ssl';
$mail->Password = "password";