On Tue, 10 Oct 2000, Jeffrey Goldberg wrote:
> I am delighted that someone wants to actually use this feature[1],
Me too. I was saying only today that I didn't think anybody did.
> $sn0 - $sn9: These variables are copies of the values of the $n0 - $n9
> accumulators that were current at the end of the system filter file. This
> allows a system filter file to set values that can be tested in users'
> filter files. For example, a system filter could set a value indicating how
> likely it is that a message is junk mail.
Something else a system filter can do is add header lines to a message.
These can be seen in directors, routers, and transports. (And the
transports could take them away again.)
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.