How to Use Separate e-mail Signatures for Each Account on your iPad/iPhone (iOS 6)
This video is only applicable to those who have NOT updated their iPhone/iPad to iOS 7 or 7.1 Please see additional videos for iOS 7 and higher. With the new iOS 6.0 (October 2012) upgrade, you can now have a separate signature for each of the e-mail accounts on your iPad or iPhone.