[Avodah] Halakhos that depend on LH?

[Simon Montagu]

On Sun, Mar 16, 2008 at 3:23 PM, Micha Berger <micha at aishdas.org> wrote:
> I was asked in private email:
>  :                                      There are many _halachos_, some
>  : even d'Oraisa, that are _contigent_, apparently, on people speaking
>  : lashon hara. The phrase "mezoros b'lavanah" in Sotah, or "kol d'lo
>  : posak". I haven't gotten an answer yet.

Not surprising, since the writer (at least as quoted here) hasn't
asked a question yet ;-) What is the question?