[exim] peel off a layer

I want to set up and 'easy' way for users to submit messages for
whitelisting / blacklisting and spamassassin submission.

The easiest way i can think of ( ~ 4000 active users) who will be on an
exchange server within 3 months, is to just get them to forward the
message(s) to an address ie notspam@qub or spam@qub. What i will then
have to do is parse it, see who it is from and then submit it using the
appropriate hook in SA.

So i need to peel of the forwarding encapsulation in exim, how feasible
is this, and how accurate will it be to the original message?!

Ronan

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Regards

Ronan McGlue

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Analyst / Programmer
Queens University Belfast