My end users have been reporting an issue that when they try to move e-mails by dragging and dropping them into the folder that it is grabbing the wrong e-mail. I have found out what is going on. If they have one e-mail selected (it is highlighted and the content of the e-mail is displayed on the preview pane); and go click and drag without releasing the click on another e-mail, then it will move the e-mail that was originally selected. If they clicked on the e-mail they want to move to make it the "selected" one and then click again and drag to move it; it will move the correct one. So it seems that no matter what e-mail you think you are dragging, it will always move the one that is selected and has the content being displayed on the preview pane.