diff --git a/server/lib/classes/cron.d/600-purge_mailboxes.inc.php b/server/lib/classes/cron.d/600-purge_mailboxes.inc.php
new file mode 100644
index 0000000000000000000000000000000000000000..181dd517f6af91cb3c2e7eff0ee5a6984c9d0ad2
--- /dev/null
+++ b/server/lib/classes/cron.d/600-purge_mailboxes.inc.php
@@ -0,0 +1,77 @@
+<?php
+
+/*
+Copyright (c) 2015, Dominik Müller, Profi Webdesign
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimer in the documentation
+      and/or other materials provided with the distribution.
+    * Neither the name of ISPConfig nor the names of its contributors
+      may be used to endorse or promote products derived from this software without
+      specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+class cronjob_purge_mailboxes extends cronjob {
+
+	// should run before quota notify and backup
+	// quota notify and backup is both '0 0 * * *' 
+	
+	// job schedule
+	protected $_schedule = '30 23 * * *';
+
+	/* this function is optional if it contains no custom code */
+	public function onPrepare() {
+		global $app;
+
+		parent::onPrepare();
+	}
+
+	/* this function is optional if it contains no custom code */
+	public function onBeforeRun() {
+		global $app;
+
+		return parent::onBeforeRun();
+	}
+
+	public function onRunJob() {
+		global $app, $conf;
+
+		$sql = "SELECT email FROM mail_user WHERE maildir_format = 'mdbox' AND server_id = ".$server_id;
+		$records = $app->db->queryAllRecords($sql);
+		
+		if(is_array($records)) {
+			foreach($records as $rec){
+				exec("su -c 'doveadm purge -u \"".$rec["email"]."\"'");
+			}
+		}
+
+		parent::onRunJob();
+	}
+
+	/* this function is optional if it contains no custom code */
+	public function onAfterRun() {
+		global $app;
+
+		parent::onAfterRun();
+	}
+
+}
+
+?>