> 2. Perhaps, use a 'forwarding' mechanism of some sort on each LAN > machine, but that would require an MTA on each LAN machine, would it not? I do something similar: On a set of (virtual) servers, I run a super-lightweight MTA called "nullmailer". That just queues mails and sends them over to the single server that runs a real MTA (which has some rules to forward those mails to the right people).
Perhaps something like this works for you as well? Gr. Matthijs
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