On Sun, 11 Jan 2004, Florian Weimer wrote:
> Right now (Exim 4.30), it appears to be impossible to filter on headers
> which are added by redirect routers.
> Is there a workaround, or is this enshrined in the architecture? Since
> the header is added by a router, this case appears to be different from
> similar problems in this domain, so I'm somewhat hopeful that something
> can be done about it.
The adding doesn't actually happen until transport time (because
different addresses may colllect different sets of added headers as they
are routed).The $h_ construct looks only at the *original* headers and
those added by the system filter (which apply to all recipients).
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.
Get the Exim 4 book: http://www.uit.co.uk/exim-book