Re: [exim] Unseen routers and catch-all

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Autor: Brent Jones
Data:  
Dla: Alan Pinder
CC: exim-users
Temat: Re: [exim] Unseen routers and catch-all
On Wed, Nov 10, 2010 at 2:11 AM, Alan Pinder <alan@???> wrote:
> Hi,
>
> First-time poster to this list, please be gentle :)
>
> Currently we have 3 main routers: alias (for forwarders), mailbox and
> catch_all (for all other ones - this performs different actions
> depending on the domain configuration).
>
> We recently had some customers asking us whether they could have the
> same e-mail address for both mailboxes and forwarders - so the message
> gets delivered to a mailbox as well as being forwarded to seperate
> destinations. Looking through the Exim documentation, I noticed the
> `unseen` directive - and added this to tbe bottom of the alias router.
>
> The worked well in that messages were delivered to both the mailbox and
> the forwarders, however this has the unfortunate side-effect of also
> running the catch-all router for the e-mail (causing a bounce message to
> be sent back in certain cases!).
>
> I temporarily resolved this by copying the alias router and placing this
> just above the catch-all router:
>
> alias_blackhole_router:
>        driver = redirect
>        condition = <condition>
>        data = :blackhole:
>
> Our router system now goes: alias -> mailbox -> alias_blackhole -> catchall
>
> This technique seems like a such a `hack` however - running the same
> router twice, just to blackhole a message?
>
> Can anybody in the Exim community recommend a better way of doing this?
> For example, is there a way to retrieve a flag saying whether delivery
> has actually been attempted for this mail (even from an `unseen` router).
>
> Kind regards,
>
> Alan Pinder
>
>
> --
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>


You can use "address_data"

http://www.exim.org/exim-html-current/doc/html/spec_html/ch15.html


--
Brent Jones
brent@???