Re: [exim] Processing messages with an external program (scr…

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Autor: Renaud Allard
Data:  
A: Konstantin Boyandin
CC: exim-users
Assumpte: Re: [exim] Processing messages with an external program (script)

Hello,

Konstantin Boyandin wrote:
> Greetings,
>
> I need to pass outgoing (outgoing only) message to an external
> program, to make certain header transformations (namely, canonize
> certain To/From addresses) prior to their being actually sent. Could
> someone offer me the hints on how to do that?
>
> The program/script expects message on stdin and sends modified message
> to stdout for further processing/delivery.
>


It is relatively easy.
You can create a touter which calls a "custom" transport.

The router could look like this:
mypipe_router:
        domains         = internal.domain.tld
        driver          = accept
        require_files   = /home/example/mycommand
        local_part_suffix_optional
        transport       = newspipe



The transport could be like this:

mypipe:
        driver          = pipe
        command         = /home/example/mycommand
        return_path_add = false
        return_fail_output = true
        log_output      = true
        home_directory  = "/tmp"
        current_directory = "/tmp"
        group           = groupname