[LUG] Sendmail - Clone all incoming email to compare spam filters?

[Sam Grabham <sam@xxxxxxxxxxxxxxxxx>]

Hi

Does anyone know how to clone all incoming email traffic to 2 separate 
smtp servers.

I want to prove a concept but need the same emails on both servers to 
compare.

have looked for a milter, but nothing seems to do what i want.

have tried  
"define(`SMART_HOST',`[exchange2007.xxxxxxxxx.co.uk]:[jessie.xxxxxxxxx.co.uk]')" 
but this chooses the first server only, if on-line.

have looked at a milter called  SYNONYM - The Mail ARCHiver 
(http://www.modulo.ro/synonym)

are there any INPUT_MAIL_FILTER options in sendmail i could use?


Regards

Sam

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