[EXIM] branching on result of pipe command in system filter

Hi,

Further to my earlier e-mail, a system filter seems the right approach.
What I really need now is the ability to obtain the result of a pipe
command so that I can filter externally and redirect internally. Capturing
the exit value would be enough. Is this possible? The external filter has
to do quite a bit more than is possible with the internal filtering
mechanism (e.g. decoding MIME attachments).

Rgds,
Simon.


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