In Pictures: iOS 6 arrives - its 16 key new featur...
Assign signatures to email accounts
Another long-standing annoyance in iOS has been the fact that one email signature was applied to all your email accounts. iOS 6 finally rectifies this limitation: You can now set a separate sigature via the Settings app for each email account.
Maybe we'll get mail filtering in iOS 7?
In Pictures: iOS 6 arrives - its 16 key new features