It looks like the following docs should cover your needs: http://www.postfix.org/OVERVIEW.html http://www.postfix.org/ADDRESS_REWRITING_README.html
Sorry, if you already know and read those.
Cheers
--
Michael P. Demelbauer
Systemadministration
WSR
Arsenal, Objekt 20
1030 Wien
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There comes a time in the affairs of a man when he has to take the bull
by the tail and face the situation. -- W. C. Fields
