Cant not Log In

Hello,
I am new to Warmane, I created a warmane account here on the site. Then I downloaded the Client here from the sight as well.
When I go to login through the WOTLK game, is states that my username and password is incorrect. i have tried making 4 account to log in and can not. I made sure to verify the accounts via eemail as well.
anyone HALP??

Did you check if you have the correct realmlist? logon.warmane.com

I have the same problem. I cant login because it shows "unable to connect". I downloaded old WOTLK and i have setted correct realmlist. I was trying to delete folder Cache, but it doesnt work. Please help!