Re: [exim] Persistent storage per-message

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Autor: W B Hacker
Datum:  
To: exim users
Betreff: Re: [exim] Persistent storage per-message
Matthew Hodgson wrote:
> On Fri, 2 Feb 2007, Jakob Hirsch wrote:
>
>> Quoting Matthew Hodgson:
>>
>>> When routing an address in a router, is there a way to store a flag in a
>>> variable/header such that when the message is finally delivered by a
>>> transport to one of the other recipients, the transport's behaviour can
>> Hm, I think address_data is separate to each recipient.
>> Maybe you can save the value of $address_data after verifying into an
>> acl_m variable (not very neat, I know).
>
> Phew - that's what I was just trying to do; thanks for the validation.
> ACL based verification only seems to happen currently when the MTA
> receives a message through SMTP - is there a way to ensure it happens
> during local submission too?


Have a look at the non_smtp ACL's:

http://exim.org/exim-html-4.66/doc/html/spec_html/ch40.html#id2705902

> I'd obviously need the same behaviour
> regardless of the protocol by which the message arrived.
>


>>> depend on that flag? I'm trying to get the presence of an alias-resolved
>>> recipient to affect the behaviour of delivery to other recipients of a
>>> message.
>> Example?
>
> An incoming mail needs to be passed through a transport_filter if it has a
> particular recipient - but that filter needs to be able to know all the
> other alias-resolved recipients for that message (so that if it spawns
> additional mails, it doesn't spam people cc'd or bcc'd on the original).
> The only way I can see of doing this is to make the filtered pipe
> transport accept /all/ recipients so that they are available in a single
> batch as $pipe_addresses. But then I need to know whether I need to run
> the filter at all - hence needing to somehow flag the presence
> of the main recipient elsewhere, as $pipe_addresses can't be used in
> normal expansions.
>
> Thanks for the response!
>
> Matthew.
>