The only thing I'm sure of is my "client or account is banned." Says to read the rules and i did. The only thing that comes close the last thing i did is spam or flooding. I hadn't sent any pictures yet, hadn't messaged any user earlier. If gibberish isnt a reason for banning like you said, then...
I was chatting with another user and when I'm waiting for a response I tend to hit random keys. This time though instead of hitting backspace I accidentally hit send and all my gibberish was sent. Not a second later banned. I thought to myself oh well I'll just use a guest account and be more...