433 lines
12 KiB
PHP
433 lines
12 KiB
PHP
<?php
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/*
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The match section performs AND operation on different matches: for example, if you have from and rcpt in the same rule,
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then the rule matches only when from AND rcpt match. For similar matches, the OR rule applies: if you have multiple rcpt matches,
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then any of these will trigger the rule. If a rule is triggered then no more rules are matched.
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*/
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header('Content-Type: text/plain');
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require_once "vars.inc.php";
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// Getting headers sent by the client.
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ini_set('error_reporting', 0);
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//$dsn = $database_type . ':host=' . $database_host . ';dbname=' . $database_name;
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$dsn = $database_type . ":unix_socket=" . $database_sock . ";dbname=" . $database_name;
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$opt = [
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PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
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PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
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PDO::ATTR_EMULATE_PREPARES => false,
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];
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try {
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$pdo = new PDO($dsn, $database_user, $database_pass, $opt);
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$stmt = $pdo->query("SELECT '1' FROM `filterconf`");
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}
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catch (PDOException $e) {
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echo 'settings { }';
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exit;
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}
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// Check if db changed and return header
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/*
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$stmt = $pdo->prepare("SELECT MAX(UNIX_TIMESTAMP(UPDATE_TIME)) AS `db_update_time` FROM information_schema.tables
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WHERE (`TABLE_NAME` = 'filterconf' OR `TABLE_NAME` = 'settingsmap')
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AND TABLE_SCHEMA = :dbname;");
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$stmt->execute(array(
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':dbname' => $database_name
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));
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$db_update_time = $stmt->fetch(PDO::FETCH_ASSOC)['db_update_time'];
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if (empty($db_update_time)) {
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$db_update_time = 1572048000;
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}
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if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) && (strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) == $db_update_time)) {
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header('Last-Modified: '.gmdate('D, d M Y H:i:s', $db_update_time).' GMT', true, 304);
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exit;
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} else {
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header('Last-Modified: '.gmdate('D, d M Y H:i:s', $db_update_time).' GMT', true, 200);
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}
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*/
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function parse_email($email) {
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if (!filter_var($email, FILTER_VALIDATE_EMAIL)) return false;
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$a = strrpos($email, '@');
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return array('local' => substr($email, 0, $a), 'domain' => substr($email, $a));
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}
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function wl_by_sogo() {
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global $pdo;
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$rcpt = array();
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$stmt = $pdo->query("SELECT DISTINCT(`sogo_folder_info`.`c_path2`) AS `user`, GROUP_CONCAT(`sogo_quick_contact`.`c_mail`) AS `contacts` FROM `sogo_folder_info`
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INNER JOIN `sogo_quick_contact` ON `sogo_quick_contact`.`c_folder_id` = `sogo_folder_info`.`c_folder_id`
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GROUP BY `c_path2`");
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$sogo_contacts = $stmt->fetchAll(PDO::FETCH_ASSOC);
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while ($row = array_shift($sogo_contacts)) {
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foreach (explode(',', $row['contacts']) as $contact) {
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if (!filter_var($contact, FILTER_VALIDATE_EMAIL)) {
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continue;
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}
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// Explicit from, no mime_from, no regex - envelope must match
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// mailcow white and blacklists also cover mime_from
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$rcpt[$row['user']][] = str_replace('/', '\/', $contact);
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}
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}
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return $rcpt;
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}
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function ucl_rcpts($object, $type) {
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global $pdo;
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$rcpt = array();
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if ($type == 'mailbox') {
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// Standard aliases
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$stmt = $pdo->prepare("SELECT `address` FROM `alias`
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WHERE `goto` = :object_goto
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AND `address` NOT LIKE '@%'");
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$stmt->execute(array(
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':object_goto' => $object
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));
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$standard_aliases = $stmt->fetchAll(PDO::FETCH_ASSOC);
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while ($row = array_shift($standard_aliases)) {
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$local = parse_email($row['address'])['local'];
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$domain = parse_email($row['address'])['domain'];
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if (!empty($local) && !empty($domain)) {
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$rcpt[] = '/^' . str_replace('/', '\/', $local) . '[+].*' . str_replace('/', '\/', $domain) . '$/i';
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}
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$rcpt[] = str_replace('/', '\/', $row['address']);
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}
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// Aliases by alias domains
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$stmt = $pdo->prepare("SELECT CONCAT(`local_part`, '@', `alias_domain`.`alias_domain`) AS `alias` FROM `mailbox`
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LEFT OUTER JOIN `alias_domain` ON `mailbox`.`domain` = `alias_domain`.`target_domain`
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WHERE `mailbox`.`username` = :object");
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$stmt->execute(array(
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':object' => $object
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));
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$by_domain_aliases = $stmt->fetchAll(PDO::FETCH_ASSOC);
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array_filter($by_domain_aliases);
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while ($row = array_shift($by_domain_aliases)) {
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if (!empty($row['alias'])) {
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$local = parse_email($row['alias'])['local'];
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$domain = parse_email($row['alias'])['domain'];
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if (!empty($local) && !empty($domain)) {
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$rcpt[] = '/^' . str_replace('/', '\/', $local) . '[+].*' . str_replace('/', '\/', $domain) . '$/i';
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}
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$rcpt[] = str_replace('/', '\/', $row['alias']);
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}
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}
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}
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elseif ($type == 'domain') {
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// Domain self
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$rcpt[] = '/.*@' . $object . '/i';
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$stmt = $pdo->prepare("SELECT `alias_domain` FROM `alias_domain`
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WHERE `target_domain` = :object");
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$stmt->execute(array(':object' => $object));
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$alias_domains = $stmt->fetchAll(PDO::FETCH_ASSOC);
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array_filter($alias_domains);
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while ($row = array_shift($alias_domains)) {
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$rcpt[] = '/.*@' . $row['alias_domain'] . '/i';
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}
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}
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return $rcpt;
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}
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?>
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settings {
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watchdog {
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priority = 10;
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rcpt_mime = "/null@localhost/i";
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from_mime = "/watchdog@localhost/i";
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apply "default" {
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symbols_disabled = ["HISTORY_SAVE", "ARC", "ARC_SIGNED", "DKIM", "DKIM_SIGNED", "CLAM_VIRUS"];
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want_spam = yes;
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actions {
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reject = 9999.0;
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greylist = 9998.0;
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"add header" = 9997.0;
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}
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}
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}
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<?php
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/*
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// Start custom scores for users
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*/
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$stmt = $pdo->query("SELECT DISTINCT `object` FROM `filterconf` WHERE `option` = 'highspamlevel' OR `option` = 'lowspamlevel'");
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$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
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while ($row = array_shift($rows)) {
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$username_sane = preg_replace("/[^a-zA-Z0-9]+/", "", $row['object']);
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?>
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score_<?=$username_sane;?> {
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priority = 4;
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<?php
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foreach (ucl_rcpts($row['object'], strpos($row['object'], '@') === FALSE ? 'domain' : 'mailbox') as $rcpt) {
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?>
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rcpt = <?=json_encode($rcpt, JSON_UNESCAPED_SLASHES);?>;
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<?php
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}
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$stmt = $pdo->prepare("SELECT `option`, `value` FROM `filterconf`
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WHERE (`option` = 'highspamlevel' OR `option` = 'lowspamlevel')
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AND `object`= :object");
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$stmt->execute(array(':object' => $row['object']));
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$spamscore = $stmt->fetchAll(PDO::FETCH_COLUMN|PDO::FETCH_GROUP);
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?>
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apply "default" {
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actions {
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reject = <?=$spamscore['highspamlevel'][0];?>;
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greylist = <?=$spamscore['lowspamlevel'][0] - 1;?>;
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"add header" = <?=$spamscore['lowspamlevel'][0];?>;
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}
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}
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}
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<?php
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}
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/*
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// Start SOGo contacts whitelist
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// Priority 4, lower than a domain whitelist (5) and lower than a mailbox whitelist (6)
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*/
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foreach (wl_by_sogo() as $user => $contacts) {
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$username_sane = preg_replace("/[^a-zA-Z0-9]+/", "", $user);
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?>
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whitelist_sogo_<?=$username_sane;?> {
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<?php
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foreach ($contacts as $contact) {
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?>
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from = <?=json_encode($contact, JSON_UNESCAPED_SLASHES);?>;
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<?php
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}
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?>
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priority = 4;
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<?php
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foreach (ucl_rcpts($user, 'mailbox') as $rcpt) {
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?>
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rcpt = <?=json_encode($rcpt, JSON_UNESCAPED_SLASHES);?>;
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<?php
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}
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?>
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apply "default" {
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SOGO_CONTACT = -99.0;
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}
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symbols [
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"SOGO_CONTACT"
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]
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}
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<?php
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}
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/*
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// Start whitelist
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*/
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$stmt = $pdo->query("SELECT DISTINCT `object` FROM `filterconf` WHERE `option` = 'whitelist_from'");
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$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
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while ($row = array_shift($rows)) {
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$username_sane = preg_replace("/[^a-zA-Z0-9]+/", "", $row['object']);
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?>
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whitelist_<?=$username_sane;?> {
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<?php
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$list_items = array();
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$stmt = $pdo->prepare("SELECT `value` FROM `filterconf`
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WHERE `object`= :object
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AND `option` = 'whitelist_from'");
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$stmt->execute(array(':object' => $row['object']));
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$list_items = $stmt->fetchAll(PDO::FETCH_ASSOC);
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foreach ($list_items as $item) {
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?>
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from = "/<?='^' . str_replace('\*', '.*', preg_quote($item['value'], '/')) . '$' ;?>/i";
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<?php
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}
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if (!filter_var(trim($row['object']), FILTER_VALIDATE_EMAIL)) {
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?>
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priority = 5;
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<?php
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foreach (ucl_rcpts($row['object'], strpos($row['object'], '@') === FALSE ? 'domain' : 'mailbox') as $rcpt) {
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?>
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rcpt = <?=json_encode($rcpt, JSON_UNESCAPED_SLASHES);?>;
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<?php
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}
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}
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else {
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?>
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priority = 6;
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<?php
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foreach (ucl_rcpts($row['object'], strpos($row['object'], '@') === FALSE ? 'domain' : 'mailbox') as $rcpt) {
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?>
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rcpt = <?=json_encode($rcpt, JSON_UNESCAPED_SLASHES);?>;
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<?php
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}
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}
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?>
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apply "default" {
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MAILCOW_WHITE = -999.0;
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}
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symbols [
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"MAILCOW_WHITE"
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]
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}
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whitelist_mime_<?=$username_sane;?> {
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<?php
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foreach ($list_items as $item) {
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?>
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from_mime = "/<?='^' . str_replace('\*', '.*', preg_quote($item['value'], '/')) . '$' ;?>/i";
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<?php
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}
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if (!filter_var(trim($row['object']), FILTER_VALIDATE_EMAIL)) {
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?>
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priority = 5;
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<?php
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foreach (ucl_rcpts($row['object'], strpos($row['object'], '@') === FALSE ? 'domain' : 'mailbox') as $rcpt) {
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?>
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rcpt = <?=json_encode($rcpt, JSON_UNESCAPED_SLASHES);?>;
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<?php
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}
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}
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else {
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?>
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priority = 6;
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<?php
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foreach (ucl_rcpts($row['object'], strpos($row['object'], '@') === FALSE ? 'domain' : 'mailbox') as $rcpt) {
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?>
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rcpt = <?=json_encode($rcpt, JSON_UNESCAPED_SLASHES);?>;
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<?php
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}
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}
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?>
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apply "default" {
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MAILCOW_WHITE = -999.0;
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}
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symbols [
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"MAILCOW_WHITE"
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]
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}
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<?php
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}
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/*
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// Start blacklist
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*/
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$stmt = $pdo->query("SELECT DISTINCT `object` FROM `filterconf` WHERE `option` = 'blacklist_from'");
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$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
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while ($row = array_shift($rows)) {
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$username_sane = preg_replace("/[^a-zA-Z0-9]+/", "", $row['object']);
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?>
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blacklist_<?=$username_sane;?> {
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<?php
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$list_items = array();
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$stmt = $pdo->prepare("SELECT `value` FROM `filterconf`
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WHERE `object`= :object
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AND `option` = 'blacklist_from'");
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$stmt->execute(array(':object' => $row['object']));
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$list_items = $stmt->fetchAll(PDO::FETCH_ASSOC);
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foreach ($list_items as $item) {
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?>
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from = "/<?='^' . str_replace('\*', '.*', preg_quote($item['value'], '/')) . '$' ;?>/i";
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<?php
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}
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if (!filter_var(trim($row['object']), FILTER_VALIDATE_EMAIL)) {
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?>
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priority = 5;
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<?php
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foreach (ucl_rcpts($row['object'], strpos($row['object'], '@') === FALSE ? 'domain' : 'mailbox') as $rcpt) {
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?>
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rcpt = <?=json_encode($rcpt, JSON_UNESCAPED_SLASHES);?>;
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<?php
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}
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}
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else {
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?>
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priority = 6;
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<?php
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foreach (ucl_rcpts($row['object'], strpos($row['object'], '@') === FALSE ? 'domain' : 'mailbox') as $rcpt) {
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?>
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rcpt = <?=json_encode($rcpt, JSON_UNESCAPED_SLASHES);?>;
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<?php
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}
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}
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?>
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apply "default" {
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MAILCOW_BLACK = 999.0;
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}
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symbols [
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"MAILCOW_BLACK"
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]
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}
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blacklist_header_<?=$username_sane;?> {
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<?php
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foreach ($list_items as $item) {
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?>
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from_mime = "/<?='^' . str_replace('\*', '.*', preg_quote($item['value'], '/')) . '$' ;?>/i";
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<?php
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}
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if (!filter_var(trim($row['object']), FILTER_VALIDATE_EMAIL)) {
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?>
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priority = 5;
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<?php
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foreach (ucl_rcpts($row['object'], strpos($row['object'], '@') === FALSE ? 'domain' : 'mailbox') as $rcpt) {
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?>
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rcpt = <?=json_encode($rcpt, JSON_UNESCAPED_SLASHES);?>;
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<?php
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}
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}
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else {
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?>
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priority = 6;
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<?php
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foreach (ucl_rcpts($row['object'], strpos($row['object'], '@') === FALSE ? 'domain' : 'mailbox') as $rcpt) {
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?>
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rcpt = <?=json_encode($rcpt, JSON_UNESCAPED_SLASHES);?>;
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<?php
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}
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}
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?>
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apply "default" {
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MAILCOW_BLACK = 999.0;
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}
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symbols [
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"MAILCOW_BLACK"
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]
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}
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<?php
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}
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/*
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// Start traps
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*/
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?>
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traps {
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<?php
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foreach (ucl_rcpts('spam@localhost', 'mailbox') as $rcpt) {
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?>
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rcpt = <?=json_encode($rcpt, JSON_UNESCAPED_SLASHES);?>;
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<?php
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}
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foreach (ucl_rcpts('ham@localhost', 'mailbox') as $rcpt) {
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?>
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rcpt = <?=json_encode($rcpt, JSON_UNESCAPED_SLASHES);?>;
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<?php
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}
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?>
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priority = 9;
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want_spam = yes;
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}
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<?php
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// Start additional content
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$stmt = $pdo->query("SELECT `id`, `content` FROM `settingsmap` WHERE `active` = '1'");
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$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
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while ($row = array_shift($rows)) {
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$username_sane = preg_replace("/[^a-zA-Z0-9]+/", "", $row['id']);
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?>
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additional_settings_<?=intval($row['id']);?> {
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<?php
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$content = preg_split('/\r\n|\r|\n/', $row['content']);
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foreach ($content as $line) {
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echo ' ' . $line . PHP_EOL;
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}
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?>
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}
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<?php
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}
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?>
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}
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