Dave Evans wrote:
> On Thu, Dec 14, 2006 at 12:16:31AM +0000, J?rg Sommer wrote:
> > > On Tue, Dec 12, 2006 at 08:41:07PM +0000, Jrg Sommer wrote:
> > >> I want for backup purpose write all mails going to my smarthost a second
> > >> time in a file. Is it possible to match a router if the previous router
> > >> matched?
> > >
> > Ehm, my question was not if I should use unseen. I want to know if it's
> > possible to match a router upon the previous or another router matched.
> > Or how else I can prevent duplicating of the rules if I need two
> > transports.
>
> To the best of my knowledge, this is best done by simply duplicating all the
> conditions of the first router into the second.
>
> Depending on your circumstances, it /may/ be possible to do it by having the
> first router (the one with all those expensive, complex conditions that you
> don't want to duplicate) do a "redirect" to two addresses, both of which are
> then cheaply routed to the appropriate transports.
You could do this instead:
router1:
...
address_data = yes
...
router2:
...
condition = $address_data
...
If you need more conditions on router 2, then you should use ${if or
similar.
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