Bcc's & cpunks@algebra.com forwards

Igor Chudov <ichudov@algebra.com> writes:

plz do not use bcc

Why not? It is quite convenient for coping with the non-cross posting policy of other groups. Also what is it with the <cpunks@manifold.algebra.com> forwards, why are these coming to the list forwarded from that address? Are they things which failed your procmail filter manually forwarded afterwards? Adam