";
				foreach($config['cron']['item'] as $cron){
					#check valid_recipients cron
					if ($cron["command"] == $cron_cmd){
						#postfix cron cmd found
						if($postfix_enabled=="on")
							$cron_found=$cron;
						if($postfix_recipients_config['enable_ldap'] && $postfix_enabled=="on")
							#update cron schedule
							$new_cron['item'][]=$cron_postfix;
						}
					#check sqlite update queue	
					else if(!preg_match("/.usr.local.www.postfix.php/",$cron["command"])){
						#keep all non postfix cron cmds if not empty
						if ($cron["command"] != "")
							$new_cron['item'][]=$cron;
						}
					}
			$write_cron=1;
			# Check if crontab must be changed to valid recipients cmd
			if ($postfix_recipients_config['enable_ldap']){
				if ($cron_found!=$cron_postfix){
					#update postfix cron schedule	
					if (! is_array($cron_found) && $postfix_enabled=="on")
						$new_cron['item'][]=$cron_postfix;
					$write_cron=1;
					}
				}
			else{
				if (is_array($cron_found)){
					#remove postfix cron cmd
					$write_cron=1;
					}
				}
			#check if cron must be changed to Sqlite cmd
			if($cron_sqlite_queue != "" && $cron_sqlite_queue != "never"){
				$new_cron['item'][]=$cron_postfix_sqlite;
				$config['cron']=$new_cron;
				$write_cron=1;
				}
			}

			#call cron functions	
			if ($write_cron==1){
				$config['cron']=$new_cron;
				write_config();
				configure_cron();
				}
			#remove postfix old cron call
			$old_cron=0;
			$crontab = file('/etc/crontab');
			$new_crontab="";
			foreach ($crontab as $line){
				if (preg_match("/php..usr.local.www.postfix_recipients.php/",$line))
					$old_cron=1;
				else
					$new_crontab .= $line;
				}
			if ($old_cron==1)	
				file_put_contents("/etc/crontab",$new_crontab, LOCK_EX);
		}
		
	#save all relay recipients and reload postfix
	file_put_contents("/usr/local/etc/postfix/relay_recipients",$relay_ldap_recipients."\n".$relay_recipients, LOCK_EX);
	exec("/usr/local/sbin/postmap /usr/local/etc/postfix/relay_recipients");
	mwexec("/usr/local/sbin/postfix reload");
	}
	if($relay_recipients !="" || $relay_ldap_recipients!="")
		return("relay_recipient_maps = hash:/usr/local/etc/postfix/relay_recipients\n");
}
function sync_package_postfix() {
	global $config;
	$relay_domains = "";
	$transport = "";
	$postfix_config=$config['installedpackages']['postfix']['config'][0];
	$message_size_limit=($postfix_config['message_size_limit']?$postfix_config['message_size_limit']:"10240000");
	$process_limit=($postfix_config['process_limit']?$postfix_config['process_limit']:"100");
	if (is_array($postfix_config['row'])) {
		foreach ($postfix_config['row'] as $postfix_row) {
			$relay_domains .= ' ' . $postfix_row['domain'];
			if (!empty($postfix_row['mailserverip']))
				$transport .= $postfix_row['domain'] . " smtp:[" . $postfix_row['mailserverip'] . "]\n";
				}
			}
	#check logging
	if ($postfix_config['log_to']){
			switch($postfix_config['log_to']){
				case 'maillog':
					system("/usr/bin/touch /var/log/maillog");
					$mail_syslog="mail.crit;";
				break;
				case 'none':
					$mail_syslog="mail.crit;";
				break;
				default:
					$mail_syslog='mail.*;';
				break;
			}
            #update /etc/inc/system.inc
            $sys_log_file='/etc/inc/system.inc';
            $sys_log = file($sys_log_file);
            $new_sys_log="";
            $found_mail=0;
            foreach ($sys_log as $line){
            	$new_line=preg_replace('/mail.(.|crit);/',$mail_syslog,$line);
            	#set syslog entry mail.* %/var/log/maillog when log_to = system
            	if (preg_match ('/mail.(.|crit);/',$line) && $postfix_config['log_to'] =="maillog")
            		$new_sys_log .= 'mail.*'."\t\t\t\t\t\t".'/var/log/maillog'."\n";
            	#remove syslog entry mail.* %/var/log/maillog when log_to != system
            	if (preg_match ("/^mail/",$line))
            		$new_sys_log .="";
            	else	
            		$new_sys_log .= $new_line;
            }
            if (!file_exists('/root/system.inc.backup')) {
            	copy ($sys_log_file,'/root/system.inc.backup');
            }
            file_put_contents($sys_log_file,$new_sys_log, LOCK_EX);
            #mwexec('/usr/local/bin/php -q /usr/local/www/postfix_syslog.php');
            #restart syslog daemon	
            system_syslogd_start();
		}
           
	#check_debug
	if($postfix_config['debug_list'] && $postfix_config['debug_list']!=""){
	$check_debug ="\n#Debugging postfix\n";
	$check_debug.="debug_peer_list = ".px_text_area_decode($postfix_config['debug_list'])."\n";
	$check_debug.="debug_peer_level = ".$postfix_config['debug_level']."\n\n";
	}
	#check relay recipients
	$all_relay_recipients=sync_relay_recipients('gui');
	
	$copyright=<< $iface) {
		$real_ifaces[] = px_get_real_interface_address($iface);
		if($real_ifaces[$i][0]) {
			$postfix_master .=$real_ifaces[$i][0].":25	inet  n       -       n       -       1       postscreen\n\t-o user=postfix\n";
			$postfix_master .=($antispam['soft_bounce'] == "postscreen"?"\t-o soft_bounce=yes\n":"");
		}
	}
	$postfix_master .= $postfix_inets.<< $iface) {
		$real_ifaces[] = px_get_real_interface_address($iface);
		if($real_ifaces[$i][0]) {
			$postfix_master .=$real_ifaces[$i][0].":25	inet  n       -       n       -       1       smtpd\n\t-o user=postfix\n";
		}
	}
		
	}
	$rbl2.=($rbl2 !=""?"\t\t\t\tpermit\n":"permit\n");
	$postfix_main=preg_replace("/RBLRBLRBL/",$rbl2,$postfix_main);
	$postfix_master .= << "postfix.sh", "start" => $start, "stop" => $stop));

	conf_mount_ro();

	sleep(1);
	if ($config['installedpackages']['postfix']['config'][0]['enable_postfix']){
		log_error("Reloading/starting postfix");
		system('/bin/chmod +x /usr/local/etc/rc.d/postfix.sh');
		mwexec_bg("/usr/local/sbin/postfix reload || /usr/local/etc/rc.d/postfix.sh start");
		log_error("Postfix setup completed");
		}
	else{
		log_error("Stopping postfix");
		mwexec("/usr/local/etc/rc.d/postfix.sh stop");
		system('/bin/chmod -x /usr/local/etc/rc.d/postfix.sh');
		}
}

function postfix_validate_input($post, &$input_errors) {
	foreach ($post as $key => $value) {
		if (empty($value))
			continue;
		if($key == "greet_time" && !preg_match("/(\d+),(\d+)(s|m|h|w)/",$value))
				$input_errors[] = "Wrong greet time sintax.";			
		if($key == "message_size_limit" && !is_numeric($value))
				$input_errors[] = "Message size limit must be numeric.";
		if($key == "process_limit" && !is_numeric($value))
				$input_errors[] = "Process limit must be numeric.";	
		if($key == "freq" && (!preg_match("/^\d+(h|m|d)$/",$value) || $value == 0))
				$input_errors[] = "A valid number with a time reference is required for the field 'Frequency'";
		if (substr($key, 0, 2) == "dc" && !is_hostname($value))
				$input_errors[] = "{$value} is not a valid host name.";
		if (substr($key, 0, 6) == "domain" && is_numeric(substr($key, 6))) {
			if (!is_domain($value))
				$input_errors[] = "{$value} is not a valid domain name.";
		} else if (substr($key, 0, 12) == "mailserverip" && is_numeric(substr($key, 12))) {
			if (empty($post['domain' . substr($key, 12)]))
				$input_errors[] = "Domain for {$value} cannot be blank.";
			if (!is_ipaddr($value) && !is_hostname($value))
				$input_errors[] = "{$value} is not a valid IP address or host name.";
		}
	}
}

function postfix_php_install_command() {
	sync_package_postfix();
}

function postfix_php_deinstall_command() {
	mwexec("/usr/local/etc/rc.d/postfix.sh stop");
	sleep(1);
	conf_mount_rw();
	unlink_if_exists("/usr/local/etc/rc.d/postfix.sh");
	conf_mount_ro();
}

/* Uses XMLRPC to synchronize the changes to a remote node */
function postfix_sync_on_changes() {
	global $config, $g;
	log_error("[postfix] postfix_xmlrpc_sync.php is starting.");
	$synconchanges = $config['installedpackages']['postfixsync']['config'][0]['synconchanges'];	
	if(!$synconchanges) 
		return;
	foreach ($config['installedpackages']['postfixsync']['config'] as $rs ){
		foreach($rs['row'] as $sh){
		$sync_to_ip = $sh['ipaddress'];
		$password   = $sh['password'];
		if($password && $sync_to_ip)
			postfix_do_xmlrpc_sync($sync_to_ip, $password);
		}
	}
	log_error("[postfix] postfix_xmlrpc_sync.php is ending.");
}

/* Do the actual XMLRPC sync */
function postfix_do_xmlrpc_sync($sync_to_ip, $password) {
	global $config, $g;

	if(!$password)
		return;

	if(!$sync_to_ip)
		return;

	$xmlrpc_sync_neighbor = $sync_to_ip;
    if($config['system']['webgui']['protocol'] != "") {
		$synchronizetoip = $config['system']['webgui']['protocol'];
		$synchronizetoip .= "://";
    }
    $port = $config['system']['webgui']['port'];
    /* if port is empty lets rely on the protocol selection */
    if($port == "") {
		if($config['system']['webgui']['protocol'] == "http") 
			$port = "80";
		else 
			$port = "443";
    }
	$synchronizetoip .= $sync_to_ip;

	/* xml will hold the sections to sync */
	$xml = array();
	$xml['postfix'] = $config['installedpackages']['postfix'];
	$xml['postfixacl'] = $config['installedpackages']['postfixacl'];
	$xml['postfixrecipients'] = $config['installedpackages']['postfixrecipients'];
	$xml['postfixantispam'] = $config['installedpackages']['postfixantispam'];
	
	/* assemble xmlrpc payload */
	$params = array(
		XML_RPC_encode($password),
		XML_RPC_encode($xml)
	);

	/* set a few variables needed for sync code borrowed from filter.inc */
	$url = $synchronizetoip;
	log_error("Beginning Postfix XMLRPC sync to {$url}:{$port}.");
	$method = 'pfsense.merge_installedpackages_section_xmlrpc';
	$msg = new XML_RPC_Message($method, $params);
	$cli = new XML_RPC_Client('/xmlrpc.php', $url, $port);
	$cli->setCredentials('admin', $password);
	if($g['debug'])
		$cli->setDebug(1);
	/* send our XMLRPC message and timeout after 250 seconds */
	$resp = $cli->send($msg, "250");
	if(!$resp) {
		$error = "A communications error occurred while attempting postfix XMLRPC sync with {$url}:{$port}.";
		log_error($error);
		file_notice("sync_settings", $error, "Postfix Settings Sync", "");
	} elseif($resp->faultCode()) {
		$cli->setDebug(1);
		$resp = $cli->send($msg, "250");
		$error = "An error code was received while attempting postfix XMLRPC sync with {$url}:{$port} - Code " . $resp->faultCode() . ": " . $resp->faultString();
		log_error($error);
		file_notice("sync_settings", $error, "Postfix Settings Sync", "");
	} else {
		log_error("Postfix XMLRPC sync successfully completed with {$url}:{$port}.");
	}
	
	/* tell postfix to reload our settings on the destionation sync host. */
	$method = 'pfsense.exec_php';
	$execcmd  = "require_once('/usr/local/pkg/postfix.inc');\n";
	$execcmd .= "sync_package_postfix();";
	
	/* assemble xmlrpc payload */
	$params = array(
		XML_RPC_encode($password),
		XML_RPC_encode($execcmd)
	);

	log_error("postfix XMLRPC reload data {$url}:{$port}.");
	$msg = new XML_RPC_Message($method, $params);
	$cli = new XML_RPC_Client('/xmlrpc.php', $url, $port);
	$cli->setCredentials('admin', $password);
	$resp = $cli->send($msg, "250");
	if(!$resp) {
		$error = "A communications error occurred while attempting postfix XMLRPC sync with {$url}:{$port} (pfsense.exec_php).";
		log_error($error);
		file_notice("sync_settings", $error, "postfix Settings Sync", "");
	} elseif($resp->faultCode()) {
		$cli->setDebug(1);
		$resp = $cli->send($msg, "250");
		$error = "An error code was received while attempting postfix XMLRPC sync with {$url}:{$port} - Code " . $resp->faultCode() . ": " . $resp->faultString();
		log_error($error);
		file_notice("sync_settings", $error, "postfix Settings Sync", "");
	} else {
		log_error("postfix XMLRPC reload data success with {$url}:{$port} (pfsense.exec_php).");
	}

}

?>