I tried with this example, but didn't worked, no send any email, I change the class "email_message_class" to "smtp_message_class"...but didn't like this:
require("email_message.php");
require("smtp_message.php");
require("smtp.php");
require("sasl.php");
	
		$email_message=new smtp_message_class;
		$email_message->smtp_host="smtp.osa.terra.com.br";
		$email_message->localhost="localhost";
		$email_message->smtp_port=25;
		$email_message->smtp_ssl=0;
		$email_message->smtp_start_tls=0;
		$email_message->smtp_http_proxy_host_name='';	
		$email_message->smtp_http_proxy_host_port=3128;	
		$email_message->smtp_socks_host_name = '';	
		$email_message->smtp_socks_host_port = 1080;	
		$email_message->smtp_socks_version = '5';
		$email_message->smtp_direct_delivery=0;
		$email_message->smtp_exclude_address="";
		$email_message->smtp_user="
[email protected]";
		$email_message->smtp_password="xxxxxx";
		$email_message->smtp_pop3_auth_host="";
		$email_message->smtp_realm="
[email protected]";
		$email_message->smtp_workstation="";
		$email_message->smtp_authentication_mechanism="";
		$email_message->smtp_debug=0;
		$email_message->smtp_html_debug=1;
		$email_message->maximum_bulk_deliveries=0;
		$email_message->cache_body =1;
and the code is the same to test_bulk_mail