Re: mail vs. news ???

> I have heard of mail transports that assume a 1-1 correspondence
> between message-ids and body content but I believe this to be highly
> unusual; please correct me if I am mistaken on this point.
I believe (or at least hope) there are mailing-list servers that avoid
duplication on messages sent to multiple lists that way, but that's
not a critical use.   There are certainly procmail files that do it on
the client side.

Seth