Mail Spam in EBR 2.5.-4 with ECC+ 2.5-5 activated

Hi - I got EBR 2.5-4 and ECC+ 2.5-5 installed. Joomla - latest 2.5 version. EBR spam check is deactivated and ECC+ activated.

Since 3 days I receive spam entries.

In joomla watch I saw entries like

https://<my-url>/da/gaestebuch/entry/add.html?retry=true+Result:+using+proxy+117.135.134.179:8888;+chosen+nickname+%22noxadvons%22;+success;


URL parameters:
eccp_err: check_failed Add this URL parameter as goal
language: da-DK Add this URL parameter as goal
format: html Add this URL parameter as goal
Itemid: 123 Add this URL parameter as goal
option: com_easybookreloaded Add this URL parameter as goal
controller: entry Add this URL parameter as goal
task: add Add this URL parameter as goal
lang: da Add this URL parameter as goal
view: entry Add this URL parameter as goal
layout: form


Please have it checked ?