I think they can visit HWI forum even though they were banned. They just don't have the permission of posting.
The other day, I saw an user with ------ on his user name viewing the forum and he's been banned days ago.
Spammers: feel free to drop me an email when you're done voting.
Please feel free to point out any mistakes in my messages. That will be helpful for me to make less mistakes in the future.
Any help will be appreciated.