You can run this from your crontab with something like 0 4 * * * * vmail php -q virtualmaildel.php >/dev/null Changes: 2017.08.31 updated to use PHP mysqli extension. 2018.02.23 removing Sieve filters if exists. Tadas Ustinavičius ( https://github.com/postfixadmin/postfixadmin/pull/70 ) */ $CONF = []; // Either, uncomment this (and change to work) //require_once('/path/to/postfixadmin/config.inc.php'); // OR uncomment this. /* $CONF = [ 'database_host' => 'localhost', 'database_user' => 'someone', 'database_password' => 'something', 'database_name' => 'mydb' ]; */ $MAKE_CHANGES = false; // change to true when you're happy this isn't going to trash your server. if (empty($CONF)) { die("\nPlease configure me\n\n"); } // Where's the homedir accounts stored. (GET THIS RIGHT OTHERWISE IT THINK NONE EXIST AND DELETES ALL) $homedir = '/home/virtual'; if (! is_dir($homedir)) { die("Cannot find home directory for virtual mailboxes in $homedir\n"); } // // Recursive Delete Function // function deldir($dir) { $current_dir = opendir($dir); while ($entryname = readdir($current_dir)) { if (is_dir("$dir/$entryname") and ($entryname != "." and $entryname!="..")) { deldir("${dir}/${entryname}"); } elseif ($entryname != "." and $entryname!="..") { unlink("${dir}/${entryname}"); } } closedir($current_dir); @rmdir(${dir}); } // --- Main Start --- $dir = []; // // Get list of directories // $fr = opendir($homedir); // TODO: Would glob($homedir . '/**/*/new') be somewhat quicker/shorter/less effort? while (($domain = readdir($fr)) !== false) { // // Check if it's a dir // if ($domain != "." and $domain != ".." and filetype($homedir .'/'. $domain) == "dir") { // // Open the (assumed) DOMAIN directory // $ff = opendir($homedir .'/'. $domain); while (($user = readdir($ff)) !== false) { // // Check for directories assuming it's a user account // if ($user!="." and $user!=".." and filetype($homedir .'/'. $domain .'/'. $user) == "dir") { // // if the dir 'new' exists inside then it's an account // if (file_exists($homedir .'/'. $domain .'/'. $user .'/'. "new")) { $dir[$domain][$user] = ""; } else { // // Alert that the dir doesn't have a 'new' dir, possibly not an account. Leave it. // echo "UNKNOWN : " . $homedir ."/". $domain ."/". $user ."/new NOT FOUND. Possibly not an account. Leaving untouched\n"; } } } } } // // OK, got an array of accounts from the dir, Now connect to the DB and check them // $conx = mysqli_connect($CONF['database_host'], $CONF['database_user'], $CONF['database_password'], $CONF['database_name']); // // Is there a problem connecting? // if (! $conx || mysqli_connect_errno()) { var_dump("DB connection failed." . mysqli_connect_error()); die("Problem connecting to the database. "); } // // Select all mailboxes to verify against dirs listed in array // $query = "SELECT * FROM mailbox"; $result = mysqli_query($conx, $query); // // Query the mailbox table // if (! $result) { die("Failed to query mailbox table."); } // // Fetch the list of results // while ($row = mysqli_fetch_assoc($result)) { // // Pull apart the maildir field, needed to figure out the directory structure to compare // $strip = explode("/", $row['maildir']); // // Unset the array if it exists. This stops it being erased later. // unset($dir[ $strip[0] ][ $strip[1] ]); } // // If there are results. unset the domain too. // if (count($dir[$strip[0]])==0 and mysqli_num_rows($result)>0) { unset($dir[$strip[0]]); } // // OK, time to clean up. All known users/domains have been removed from the list. // // // If the array still exists (incase nothing there) // if (is_array($dir)) { // // Go through each dir // foreach ($dir as $key => $value) { // // Is this a user array? // if (is_array($value)) { // // Go through and nuke the folders // foreach ($value as $user => $value2) { // Nuke.. need any more explanations? $path = $homedir . '/' . $key . '/' . $user; $sieve_path = $homedir . '/.sieve/' . $key . '/' . $user; $sieve_exists = false; // check if user has Sieve filters created if (file_exists($sieve_path)) { $sieve_exists = true; } if ($MAKE_CHANGES) { deldir($path); if ($sieve_exists) { deldir($sieve_path); } } else { echo " - Would recursively delete : $path \n"; if ($sieve_exists) { echo " - Would recursively delete Sieve filters : $sieve_path \n"; } } } } } } echo "Cleanup process completed\n";