As for the lawyer who receives a document from opposing counsel, ethics committees have taken opposite positions on what a lawyer should do. (legalblogwatch.typepad.com)
If you are not the intended recipient, you are notified that you have received this document in error, and that any reading, distributing, copying or disclosure is unauthorized. (lawyerist.com)
Have you ever received a document on your BlackBerry that required you to sign it. (crackberry.com)