Because we're not reusing the message view, we don't need to force scrolling. This has the side effect of cutting down on a momentary flash of message header area on display.

src/com/fsck/k9/view/SingleMessageView.java

@@ -628,7 +628,6 @@ public class SingleMessageView extends LinearLayout implements OnClickListener,
             mAccessibleMessageContentView.loadDataWithBaseURL("http://", emailText, contentType, "utf-8", null);
         } else {
             mMessageContentView.setText(emailText, contentType);
-            mMessageContentView.scrollTo(0, 0);
         }
 
     }