Apple did a great job with iOS 6 by adding the quick composition buttons to Notification Center for Twitter and Facebook, but why not for other things that we use all the time?
A new free add-on for Notification Center called Compose
by iOS developer ravirajm
adds two iOS 6-style composition buttons to Notification Center for composing e-mails and composing text messages.
When tapping on the “New Mail” button, an e-mail sheet will appear