Keith Moore <moore(_at_)network-heretics(_dot_)com> writes:
yes, and I agree that it makes a difference. if a usenet message sender
wants to delete a message that he has sent after a particular date, he
can always issue a cancel for that message on that date.
He can, but such a message will do almost nothing, as in practice very few
servers honor cancels.
--
Russ Allbery (rra(_at_)stanford(_dot_)edu)
<http://www.eyrie.org/~eagle/>