Google Apps Sync and iPhone

Ran across something interesting with the iPhone Exchange Sync and Google Apps passwords. I don't know if this is always the case but I had to change a password that had the "@" symbol in it to something with just numbers and letters on a client. It kept saying wrong password. After I changed it, it was fine and worked perfectly. iPhone Bug? probably so because the password worked fine on Google Sync for the Blackberry so it is an iPhone issue. Letting you know if your password doesn't work on the iPhone and Google Apps.