[Exim] a paranoical boss....

Hi

Our boss wants this...
Employes only can receive mails from other employes... all the other
stuff is routed to his e-mail address without knowledge of the
employed...

So, anyone know how can we use a list of "permited" mails and all the
rest is routed to another pop3?

TIA, and sorry for the bad english...

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Saludos!
Luciano @work