ERRATUM: I left out the word NOT while responding to kp collins:
> A cross-posting technique was used because
> several years ago, I posted to newsgroups separately and people wrote me
> requesting that I use cross posting so that the same message would
> appear in a given person's mailbox over and over.
Second part of sentence should have been: "...so that the same message
would not appear in a given person's mailbox over and over."