[Watchdog] Use stackoverflow.com for DNS check

[Git] Ignore mail_plugins*
[Dovecot] Read mail_plugins from dynamically generated file
[Dovecot] Encrypt FTS
[Dovecot] Add break_imap_seach option to Solr
[Web] Add ability to send quarantine notification mails
[Web] Minor style fixes
[Web] Add new MAILBOX_DEFAULT_ATTRIBUTES (doc updates, anyone? :-( )
[Web] Use rcpt_smtp if rcpt_mime is not set
[Web] Other minor fixes

data/web/inc/ajax/qitem_details.php

@@ -74,6 +74,9 @@ if (!empty($_GET['id']) && ctype_alnum($_GET['id'])) {
       }
     }
     if (isset($_GET['att'])) {
+      if ($_SESSION['acl']['quarantine_attachments'] == 0) {
+        exit(json_encode('Forbidden'));
+      }
       $dl_id = intval($_GET['att']);
       $dl_filename = $data['attachments'][$dl_id][0];
       if (!is_dir($tmpdir . $dl_filename) && file_exists($tmpdir . $dl_filename)) {