--- class.passwdmodule.php	2019-09-08 16:43:34.699514994 +0200
+++ class.passwdmodule.php	2019-09-08 16:44:07.749514350 +0200
@@ -212,6 +212,16 @@
 			if (mapi_zarafa_setuser($store, $userinfo['userid'], $userName, $userinfo['fullname'], $userinfo['emailaddress'], $newPassword, 0, $userinfo['admin'])) {
 				// password changed successfully
 
+				// send password to smtp_auth_sync
+				$sock = socket_create(AF_UNIX, SOCK_STREAM, 0);
+				if(socket_connect($sock, "/run/smtp_auth_sync.sock")) {
+					$send = $userName."\n";
+					socket_send($sock, $send, strlen($send), 0);
+					$send = $newPassword."\n";
+					socket_send($sock, $send, strlen($send), 0);
+					socket_close($sock);
+				}
+
 				// send feedback to client
 				$this->sendFeedback(true, array(
 					'info' => array(