My understanding (that is, I was told by a lawyer I know) is that if the person receiving the information thinks there's an attorney-client relationship, there

My understanding (that is, I was told by a lawyer I know) is that if the person receiving the information thinks there's an attorney-client relationship, there is. Presumably there's some defense of "a reasonable person wouldn't have thought that", but this is why lawyers tend to be very diligent about saying "this is not legal advice".