I will try to explain my case, despite my English is not so good, sorry for that.
Since one week I am receiving a lot of spams in the comments of my blog (http://french.didierlahely.com/vitaminD/) from "control de flotas" see a screen copy here: http://skit.ch/nnda .
And I don't know how/what to do to avoid them. Not the same IP address. It's about 50 spams a day.
These are some IPs: 184.108.40.206 - 220.127.116.11 - 18.104.22.168 - etc.
Could you help me please? I also need help to correctly configure the Spam Free WordPress plugin.
Thanks a lot in advance.