Have I been banned?

[Riccan]

I just started playing today, I already played a few hours. But when I first stepped into Stormwind I got immediately disconnected, and whenever I try to log back in I get an account warning message. I logged into the website and it said I was banned. What gives?
My character is Riccan on the PvP server.

[Leythia]

Greetings,

Welcome to Nostalrius!

Your account has been banned by our chat protection as a false positive.
We have unbanned your account.

Please try to avoid using public chat channels until level 15.

Best regards,
GM Team.