hi
for send bulk email i use smtp_message_class like this:
        $email_message=new smtp_message_class;
        $email_message->localhost="localhost";
        $email_message->smtp_host="smtp.gmail.com";
        $email_message->smtp_port=465;
        $email_message->smtp_ssl=1;
        $email_message->smtp_user="
[email protected]";
        $email_message->smtp_password="********";
        $email_message->smtp_debug=1;
 
but it is very slow 
you suggest this :
/*
	 *  For faster queueing use qmail...
	 *
	 *  require_once("qmail_message.php");
	 *  $email_message=new qmail_message_class;
	 *
	 *  or sendmail in queue only delivery mode
	 *
	 *  require_once("sendmail_message.php");
	 *  $email_message=new sendmail_message_class;
	 *  $email_message->delivery_mode=SENDMAIL_DELIVERY_QUEUE;
	 *
	 *  Always call the SetBulkMail function to hint the class to optimize
	 *  its behaviour to make deliveries to many users more efficient.
	 */
how can i use smtp_message_class and qmail_message_class together?
or 
how can i use smtp_message_class and sendmail_message_class together?
can i use qmail with windows OS ?