diff --git a/api/emclient-signatures.php b/api/emclient-signatures.php
new file mode 100644
index 0000000000..f5e494b9d8
--- /dev/null
+++ b/api/emclient-signatures.php
@@ -0,0 +1,58 @@
+<?php
+/**
+ * EGroupware signatures for eM Client
+ *
+ * For Apache FCGI you need the following rewrite rule:
+ *
+ * 	RewriteEngine on
+ * 	RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization},L]
+ *
+ * Otherwise authentication request will be send over and over again, as password is NOT available to PHP!
+ *
+ * @link http://www.egroupware.org
+ * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
+ * @package api
+ * @subpackage mail
+ * @author Ralf Becker <rb-AT-egroupware.org>
+ * @copyright (c) 2016 by Ralf Becker <rb-AT-egroupware.org>
+ * @version $Id$
+ */
+
+use EGroupware\Api;
+
+$GLOBALS['egw_info'] = array(
+	'flags' => array(
+		'noheader'  => True,
+		'currentapp' => 'mail',
+		'no_exception_handler' => 'basic_auth',	// we use a basic auth exception handler (sends exception message as basic auth realm)
+		'autocreate_session_callback' => 'EGroupware\\Api\\Header\\Authenticate::autocreate_session_callback',
+		// use same REALM as CalDAV/CardDAV eM Client already uses
+		'auth_realm' => 'EGroupware CalDAV/CardDAV/GroupDAV server',	// cant use groupdav::REALM as autoloading and include path not yet setup!
+	)
+);
+// if you move this file somewhere else, you need to adapt the path to the header!
+$egw_dir = dirname(__DIR__);
+include($egw_dir.'/header.inc.php');
+
+header('Content-type: text/xml; charset=UTF-8');
+
+$xml = new XMLWriter;
+$xml->openMemory();
+$xml->setIndent(true);
+$xml->startDocument('1.0', 'UTF-8');
+$xml->startElement('signatures');
+
+foreach(Api\Mail\Account::identities(array(), true, 'params') as $identity)
+{
+	$xml->startElement('signature');
+	$xml->writeAttribute('name', Api\Mail\Account::identity_name($row, true));
+	$xml->writeAttribute('allow-edit', 'true');
+	$xml->writeAttribute('overwrite', 'true');
+	$xml->writeAttribute('targetMail', $identity['ident_email'].' <mailto:'.$identity['ident_email'].'>');
+	$xml->writeCdata($identity['ident_signature']);
+	$xml->endElement();
+}
+$xml->endElement();
+$xml->endDocument();
+
+echo $xml->outputMemory();