you can reverse the deletion of an e-mail item (by removing it from the deleted folder) as long as you have not performed a hotsync operation or purged the contents of the deleted folder.

    to remove an e-mail item you received from the deleted folder:

    1. in the message list, tap deleted from the pick list in the upper-right corner.

    2. tap the e-mail item you want to restore.

    3. tap undelete to move the selected item to the inbox and mark it as read.

    to remove an e-mail item you created from the deleted folder:

    1. in the message list, tap deleted from the pick list in the upper-right corner.

    2. tap the e-mail item you want to restore.

    3. tap edit to display and modify the item.

    after you display and modify the e-mail item, you can send it or save it as a draft.