On Mon, 10 Jan 2000, Steve Haslam wrote:
> I think you could do this part by having a system-wide message filter
> that does an "unseen pipe /some/prog $sender_address", where
> /some/prog notes down that the named sender has mailed the recipients
> in the message headers... all it has to do is open the (say) dbm at
> (say) /var/state/exim/frienddb/$sender_address, and write records for
> each recipient.
No quite all. Consider two messages being sent at once. You have to
think about locking.
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.
